Re: Assorted improvements in pg_dump - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Assorted improvements in pg_dump
Date
Msg-id 177444.1635287465@sss.pgh.pa.us
Whole thread Raw
In response to Re: Assorted improvements in pg_dump  (Andres Freund <andres@anarazel.de>)
Responses Re: Assorted improvements in pg_dump  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Andres Freund <andres@anarazel.de> writes:
> I guess we could move the prepared-statement handling into a query execution
> helper. That could then use a hashtable or something similar to check if a
> certain prepared statement already exists. That'd then centrally be extensible
> to deal with multiple connects etc.

That seems like more mechanism than is warranted.  I tried it with a
simple array of booleans, and that seems like not too much of a mess;
see revised 0006 attached.

(0001-0005 are the same as before; including them just to satisfy
the cfbot.)

            regards, tom lane

diff --git a/src/bin/pg_dump/common.c b/src/bin/pg_dump/common.c
index e38ff3c030..310f94605c 100644
--- a/src/bin/pg_dump/common.c
+++ b/src/bin/pg_dump/common.c
@@ -581,6 +581,8 @@ AssignDumpId(DumpableObject *dobj)
     dobj->namespace = NULL;        /* may be set later */
     dobj->dump = DUMP_COMPONENT_ALL;    /* default assumption */
     dobj->dump_contains = DUMP_COMPONENT_ALL;    /* default assumption */
+    /* All objects have definitions; we may set more components bits later */
+    dobj->components = DUMP_COMPONENT_DEFINITION;
     dobj->ext_member = false;    /* default assumption */
     dobj->depends_on_ext = false;    /* default assumption */
     dobj->dependencies = NULL;
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index e9f68e8986..e5ea2c082d 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -134,6 +134,14 @@ static const CatalogId nilCatalogId = {0, 0};
 static bool have_extra_float_digits = false;
 static int    extra_float_digits;

+/* sorted table of comments */
+static CommentItem *comments = NULL;
+static int    ncomments = 0;
+
+/* sorted table of security labels */
+static SecLabelItem *seclabels = NULL;
+static int    nseclabels = 0;
+
 /*
  * The default number of rows per INSERT when
  * --inserts is specified without --rows-per-insert
@@ -182,14 +190,14 @@ static inline void dumpComment(Archive *fout, const char *type,
                                int subid, DumpId dumpId);
 static int    findComments(Archive *fout, Oid classoid, Oid objoid,
                          CommentItem **items);
-static int    collectComments(Archive *fout, CommentItem **items);
+static void collectComments(Archive *fout);
 static void dumpSecLabel(Archive *fout, const char *type, const char *name,
                          const char *namespace, const char *owner,
                          CatalogId catalogId, int subid, DumpId dumpId);
 static int    findSecLabels(Archive *fout, Oid classoid, Oid objoid,
                           SecLabelItem **items);
-static int    collectSecLabels(Archive *fout, SecLabelItem **items);
-static void dumpDumpableObject(Archive *fout, const DumpableObject *dobj);
+static void collectSecLabels(Archive *fout);
+static void dumpDumpableObject(Archive *fout, DumpableObject *dobj);
 static void dumpNamespace(Archive *fout, const NamespaceInfo *nspinfo);
 static void dumpExtension(Archive *fout, const ExtensionInfo *extinfo);
 static void dumpType(Archive *fout, const TypeInfo *tyinfo);
@@ -290,8 +298,9 @@ static void binary_upgrade_set_type_oids_by_type_oid(Archive *fout,
                                                      Oid pg_type_oid,
                                                      bool force_array_type,
                                                      bool include_multirange_type);
-static void binary_upgrade_set_type_oids_by_rel_oid(Archive *fout,
-                                                    PQExpBuffer upgrade_buffer, Oid pg_rel_oid);
+static void binary_upgrade_set_type_oids_by_rel(Archive *fout,
+                                                PQExpBuffer upgrade_buffer,
+                                                const TableInfo *tbinfo);
 static void binary_upgrade_set_pg_class_oids(Archive *fout,
                                              PQExpBuffer upgrade_buffer,
                                              Oid pg_class_oid, bool is_index);
@@ -878,6 +887,14 @@ main(int argc, char **argv)
      */
     getDependencies(fout);

+    /*
+     * Collect comments and security labels, if wanted.
+     */
+    if (!dopt.no_comments)
+        collectComments(fout);
+    if (!dopt.no_security_labels)
+        collectSecLabels(fout);
+
     /* Lastly, create dummy objects to represent the section boundaries */
     boundaryObjs = createBoundaryObjects();

@@ -1631,6 +1648,13 @@ selectDumpableNamespace(NamespaceInfo *nsinfo, Archive *fout)
         if (nsinfo->nspowner == ROLE_PG_DATABASE_OWNER)
             nsinfo->dobj.dump &= ~DUMP_COMPONENT_DEFINITION;
         nsinfo->dobj.dump_contains = DUMP_COMPONENT_ALL;
+
+        /*
+         * Also, make like it has a comment even if it doesn't; this is so
+         * that we'll emit a command to drop the comment, if appropriate.
+         * (Without this, we'd not call dumpCommentExtended for it.)
+         */
+        nsinfo->dobj.components |= DUMP_COMPONENT_COMMENT;
     }
     else
         nsinfo->dobj.dump_contains = nsinfo->dobj.dump = DUMP_COMPONENT_ALL;
@@ -2471,7 +2495,7 @@ getTableData(DumpOptions *dopt, TableInfo *tblinfo, int numTables, char relkind)
  * Make a dumpable object for the data of this specific table
  *
  * Note: we make a TableDataInfo if and only if we are going to dump the
- * table data; the "dump" flag in such objects isn't used.
+ * table data; the "dump" field in such objects isn't very interesting.
  */
 static void
 makeTableDataInfo(DumpOptions *dopt, TableInfo *tbinfo)
@@ -2531,6 +2555,9 @@ makeTableDataInfo(DumpOptions *dopt, TableInfo *tbinfo)
     tdinfo->filtercond = NULL;    /* might get set later */
     addObjectDependency(&tdinfo->dobj, tbinfo->dobj.dumpId);

+    /* A TableDataInfo contains data, of course */
+    tdinfo->dobj.components |= DUMP_COMPONENT_DATA;
+
     tbinfo->dataObj = tdinfo;

     /* Make sure that we'll collect per-column info for this table. */
@@ -3491,11 +3518,15 @@ getBlobs(Archive *fout)
         binfo[i].initblobacl = pg_strdup(PQgetvalue(res, i, i_initlomacl));
         binfo[i].initrblobacl = pg_strdup(PQgetvalue(res, i, i_initrlomacl));

-        if (PQgetisnull(res, i, i_lomacl) &&
-            PQgetisnull(res, i, i_rlomacl) &&
-            PQgetisnull(res, i, i_initlomacl) &&
-            PQgetisnull(res, i, i_initrlomacl))
-            binfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
+        /* Blobs have data */
+        binfo[i].dobj.components |= DUMP_COMPONENT_DATA;
+
+        /* Mark whether blob has an ACL */
+        if (!(PQgetisnull(res, i, i_lomacl) &&
+              PQgetisnull(res, i, i_rlomacl) &&
+              PQgetisnull(res, i, i_initlomacl) &&
+              PQgetisnull(res, i, i_initrlomacl)))
+            binfo[i].dobj.components |= DUMP_COMPONENT_ACL;

         /*
          * In binary-upgrade mode for blobs, we do *not* dump out the blob
@@ -3519,6 +3550,7 @@ getBlobs(Archive *fout)
         bdata->catId = nilCatalogId;
         AssignDumpId(bdata);
         bdata->name = pg_strdup("BLOBS");
+        bdata->components |= DUMP_COMPONENT_DATA;
     }

     PQclear(res);
@@ -3566,7 +3598,7 @@ dumpBlob(Archive *fout, const BlobInfo *binfo)
                      binfo->dobj.catId, 0, binfo->dobj.dumpId);

     /* Dump ACL if any */
-    if (binfo->blobacl && (binfo->dobj.dump & DUMP_COMPONENT_ACL))
+    if (binfo->dobj.dump & DUMP_COMPONENT_ACL)
         dumpACL(fout, binfo->dobj.dumpId, InvalidDumpId, "LARGE OBJECT",
                 binfo->dobj.name, NULL,
                 NULL, binfo->rolname, binfo->blobacl, binfo->rblobacl,
@@ -3697,6 +3729,8 @@ getPolicies(Archive *fout, TableInfo tblinfo[], int numTables)

         if (tbinfo->rowsec)
         {
+            tbinfo->dobj.components |= DUMP_COMPONENT_POLICY;
+
             /*
              * Note: use tableoid 0 so that this object won't be mistaken for
              * something that pg_depend entries apply to.
@@ -3766,6 +3800,8 @@ getPolicies(Archive *fout, TableInfo tblinfo[], int numTables)
             if (!(tbinfo->dobj.dump & DUMP_COMPONENT_POLICY))
                 continue;

+            tbinfo->dobj.components |= DUMP_COMPONENT_POLICY;
+
             polinfo[j].dobj.objType = DO_POLICY;
             polinfo[j].dobj.catId.tableoid =
                 atooid(PQgetvalue(res, j, i_tableoid));
@@ -3818,6 +3854,7 @@ dumpPolicy(Archive *fout, const PolicyInfo *polinfo)
     const char *cmd;
     char       *tag;

+    /* Do nothing in data-only dump */
     if (dopt->dataOnly)
         return;

@@ -3838,7 +3875,7 @@ dumpPolicy(Archive *fout, const PolicyInfo *polinfo)
          * explicitly, because it will not match anything in pg_depend (unlike
          * the case for other PolicyInfo objects).
          */
-        if (polinfo->dobj.dump & DUMP_COMPONENT_POLICY)
+        if (polinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
             ArchiveEntry(fout, polinfo->dobj.catId, polinfo->dobj.dumpId,
                          ARCHIVE_OPTS(.tag = polinfo->dobj.name,
                                       .namespace = polinfo->dobj.namespace->dobj.name,
@@ -3900,7 +3937,7 @@ dumpPolicy(Archive *fout, const PolicyInfo *polinfo)

     tag = psprintf("%s %s", tbinfo->dobj.name, polinfo->dobj.name);

-    if (polinfo->dobj.dump & DUMP_COMPONENT_POLICY)
+    if (polinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
         ArchiveEntry(fout, polinfo->dobj.catId, polinfo->dobj.dumpId,
                      ARCHIVE_OPTS(.tag = tag,
                                   .namespace = polinfo->dobj.namespace->dobj.name,
@@ -4045,9 +4082,6 @@ dumpPublication(Archive *fout, const PublicationInfo *pubinfo)
     char       *qpubname;
     bool        first = true;

-    if (!(pubinfo->dobj.dump & DUMP_COMPONENT_DEFINITION))
-        return;
-
     delq = createPQExpBuffer();
     query = createPQExpBuffer();

@@ -4103,13 +4137,14 @@ dumpPublication(Archive *fout, const PublicationInfo *pubinfo)

     appendPQExpBufferStr(query, ");\n");

-    ArchiveEntry(fout, pubinfo->dobj.catId, pubinfo->dobj.dumpId,
-                 ARCHIVE_OPTS(.tag = pubinfo->dobj.name,
-                              .owner = pubinfo->rolname,
-                              .description = "PUBLICATION",
-                              .section = SECTION_POST_DATA,
-                              .createStmt = query->data,
-                              .dropStmt = delq->data));
+    if (pubinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
+        ArchiveEntry(fout, pubinfo->dobj.catId, pubinfo->dobj.dumpId,
+                     ARCHIVE_OPTS(.tag = pubinfo->dobj.name,
+                                  .owner = pubinfo->rolname,
+                                  .description = "PUBLICATION",
+                                  .section = SECTION_POST_DATA,
+                                  .createStmt = query->data,
+                                  .dropStmt = delq->data));

     if (pubinfo->dobj.dump & DUMP_COMPONENT_COMMENT)
         dumpComment(fout, "PUBLICATION", qpubname,
@@ -4225,9 +4260,6 @@ dumpPublicationTable(Archive *fout, const PublicationRelInfo *pubrinfo)
     PQExpBuffer query;
     char       *tag;

-    if (!(pubrinfo->dobj.dump & DUMP_COMPONENT_DEFINITION))
-        return;
-
     tag = psprintf("%s %s", pubinfo->dobj.name, tbinfo->dobj.name);

     query = createPQExpBuffer();
@@ -4244,13 +4276,14 @@ dumpPublicationTable(Archive *fout, const PublicationRelInfo *pubrinfo)
      * owner field anyway to ensure that the command is run by the correct
      * role at restore time.
      */
-    ArchiveEntry(fout, pubrinfo->dobj.catId, pubrinfo->dobj.dumpId,
-                 ARCHIVE_OPTS(.tag = tag,
-                              .namespace = tbinfo->dobj.namespace->dobj.name,
-                              .owner = pubinfo->rolname,
-                              .description = "PUBLICATION TABLE",
-                              .section = SECTION_POST_DATA,
-                              .createStmt = query->data));
+    if (pubrinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
+        ArchiveEntry(fout, pubrinfo->dobj.catId, pubrinfo->dobj.dumpId,
+                     ARCHIVE_OPTS(.tag = tag,
+                                  .namespace = tbinfo->dobj.namespace->dobj.name,
+                                  .owner = pubinfo->rolname,
+                                  .description = "PUBLICATION TABLE",
+                                  .section = SECTION_POST_DATA,
+                                  .createStmt = query->data));

     free(tag);
     destroyPQExpBuffer(query);
@@ -4420,9 +4453,6 @@ dumpSubscription(Archive *fout, const SubscriptionInfo *subinfo)
     int            i;
     char        two_phase_disabled[] = {LOGICALREP_TWOPHASE_STATE_DISABLED, '\0'};

-    if (!(subinfo->dobj.dump & DUMP_COMPONENT_DEFINITION))
-        return;
-
     delq = createPQExpBuffer();
     query = createPQExpBuffer();

@@ -4468,13 +4498,14 @@ dumpSubscription(Archive *fout, const SubscriptionInfo *subinfo)

     appendPQExpBufferStr(query, ");\n");

-    ArchiveEntry(fout, subinfo->dobj.catId, subinfo->dobj.dumpId,
-                 ARCHIVE_OPTS(.tag = subinfo->dobj.name,
-                              .owner = subinfo->rolname,
-                              .description = "SUBSCRIPTION",
-                              .section = SECTION_POST_DATA,
-                              .createStmt = query->data,
-                              .dropStmt = delq->data));
+    if (subinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
+        ArchiveEntry(fout, subinfo->dobj.catId, subinfo->dobj.dumpId,
+                     ARCHIVE_OPTS(.tag = subinfo->dobj.name,
+                                  .owner = subinfo->rolname,
+                                  .description = "SUBSCRIPTION",
+                                  .section = SECTION_POST_DATA,
+                                  .createStmt = query->data,
+                                  .dropStmt = delq->data));

     if (subinfo->dobj.dump & DUMP_COMPONENT_COMMENT)
         dumpComment(fout, "SUBSCRIPTION", qsubname,
@@ -4662,30 +4693,15 @@ binary_upgrade_set_type_oids_by_type_oid(Archive *fout,
 }

 static void
-binary_upgrade_set_type_oids_by_rel_oid(Archive *fout,
-                                        PQExpBuffer upgrade_buffer,
-                                        Oid pg_rel_oid)
+binary_upgrade_set_type_oids_by_rel(Archive *fout,
+                                    PQExpBuffer upgrade_buffer,
+                                    const TableInfo *tbinfo)
 {
-    PQExpBuffer upgrade_query = createPQExpBuffer();
-    PGresult   *upgrade_res;
-    Oid            pg_type_oid;
-
-    appendPQExpBuffer(upgrade_query,
-                      "SELECT c.reltype AS crel "
-                      "FROM pg_catalog.pg_class c "
-                      "WHERE c.oid = '%u'::pg_catalog.oid;",
-                      pg_rel_oid);
-
-    upgrade_res = ExecuteSqlQueryForSingleRow(fout, upgrade_query->data);
-
-    pg_type_oid = atooid(PQgetvalue(upgrade_res, 0, PQfnumber(upgrade_res, "crel")));
+    Oid            pg_type_oid = tbinfo->reltype;

     if (OidIsValid(pg_type_oid))
         binary_upgrade_set_type_oids_by_type_oid(fout, upgrade_buffer,
                                                  pg_type_oid, false, false);
-
-    PQclear(upgrade_res);
-    destroyPQExpBuffer(upgrade_query);
 }

 static void
@@ -4940,18 +4956,12 @@ getNamespaces(Archive *fout, int *numNamespaces)
         /* Decide whether to dump this namespace */
         selectDumpableNamespace(&nsinfo[i], fout);

-        /*
-         * Do not try to dump ACL if the ACL is empty or the default.
-         *
-         * This is useful because, for some schemas/objects, the only
-         * component we are going to try and dump is the ACL and if we can
-         * remove that then 'dump' goes to zero/false and we don't consider
-         * this object for dumping at all later on.
-         */
-        if (PQgetisnull(res, i, i_nspacl) && PQgetisnull(res, i, i_rnspacl) &&
-            PQgetisnull(res, i, i_initnspacl) &&
-            PQgetisnull(res, i, i_initrnspacl))
-            nsinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
+        /* Mark whether namespace has an ACL */
+        if (!(PQgetisnull(res, i, i_nspacl) &&
+              PQgetisnull(res, i, i_rnspacl) &&
+              PQgetisnull(res, i, i_initnspacl) &&
+              PQgetisnull(res, i, i_initrnspacl)))
+            nsinfo[i].dobj.components |= DUMP_COMPONENT_ACL;

         if (strlen(nsinfo[i].rolname) == 0)
             pg_log_warning("owner of schema \"%s\" appears to be invalid",
@@ -5260,11 +5270,12 @@ getTypes(Archive *fout, int *numTypes)
         /* Decide whether we want to dump it */
         selectDumpableType(&tyinfo[i], fout);

-        /* Do not try to dump ACL if no ACL exists. */
-        if (PQgetisnull(res, i, i_typacl) && PQgetisnull(res, i, i_rtypacl) &&
-            PQgetisnull(res, i, i_inittypacl) &&
-            PQgetisnull(res, i, i_initrtypacl))
-            tyinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
+        /* Mark whether type has an ACL */
+        if (!(PQgetisnull(res, i, i_typacl) &&
+              PQgetisnull(res, i, i_rtypacl) &&
+              PQgetisnull(res, i, i_inittypacl) &&
+              PQgetisnull(res, i, i_initrtypacl)))
+            tyinfo[i].dobj.components |= DUMP_COMPONENT_ACL;

         /*
          * If it's a domain, fetch info about its constraints, if any
@@ -5387,9 +5398,6 @@ getOperators(Archive *fout, int *numOprs)
         /* Decide whether we want to dump it */
         selectDumpableObject(&(oprinfo[i].dobj), fout);

-        /* Operators do not currently have ACLs. */
-        oprinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
-
         if (strlen(oprinfo[i].rolname) == 0)
             pg_log_warning("owner of operator \"%s\" appears to be invalid",
                            oprinfo[i].dobj.name);
@@ -5469,9 +5477,6 @@ getCollations(Archive *fout, int *numCollations)

         /* Decide whether we want to dump it */
         selectDumpableObject(&(collinfo[i].dobj), fout);
-
-        /* Collations do not currently have ACLs. */
-        collinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -5541,9 +5546,6 @@ getConversions(Archive *fout, int *numConversions)

         /* Decide whether we want to dump it */
         selectDumpableObject(&(convinfo[i].dobj), fout);
-
-        /* Conversions do not currently have ACLs. */
-        convinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -5614,9 +5616,6 @@ getAccessMethods(Archive *fout, int *numAccessMethods)

         /* Decide whether we want to dump it */
         selectDumpableAccessMethod(&(aminfo[i]), fout);
-
-        /* Access methods do not currently have ACLs. */
-        aminfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -5686,9 +5685,6 @@ getOpclasses(Archive *fout, int *numOpclasses)
         /* Decide whether we want to dump it */
         selectDumpableObject(&(opcinfo[i].dobj), fout);

-        /* Op Classes do not currently have ACLs. */
-        opcinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
-
         if (strlen(opcinfo[i].rolname) == 0)
             pg_log_warning("owner of operator class \"%s\" appears to be invalid",
                            opcinfo[i].dobj.name);
@@ -5769,9 +5765,6 @@ getOpfamilies(Archive *fout, int *numOpfamilies)
         /* Decide whether we want to dump it */
         selectDumpableObject(&(opfinfo[i].dobj), fout);

-        /* Extensions do not currently have ACLs. */
-        opfinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
-
         if (strlen(opfinfo[i].rolname) == 0)
             pg_log_warning("owner of operator family \"%s\" appears to be invalid",
                            opfinfo[i].dobj.name);
@@ -5963,11 +5956,12 @@ getAggregates(Archive *fout, int *numAggs)
         /* Decide whether we want to dump it */
         selectDumpableObject(&(agginfo[i].aggfn.dobj), fout);

-        /* Do not try to dump ACL if no ACL exists. */
-        if (PQgetisnull(res, i, i_aggacl) && PQgetisnull(res, i, i_raggacl) &&
-            PQgetisnull(res, i, i_initaggacl) &&
-            PQgetisnull(res, i, i_initraggacl))
-            agginfo[i].aggfn.dobj.dump &= ~DUMP_COMPONENT_ACL;
+        /* Mark whether aggregate has an ACL */
+        if (!(PQgetisnull(res, i, i_aggacl) &&
+              PQgetisnull(res, i, i_raggacl) &&
+              PQgetisnull(res, i, i_initaggacl) &&
+              PQgetisnull(res, i, i_initraggacl)))
+            agginfo[i].aggfn.dobj.components |= DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -6193,11 +6187,12 @@ getFuncs(Archive *fout, int *numFuncs)
         /* Decide whether we want to dump it */
         selectDumpableObject(&(finfo[i].dobj), fout);

-        /* Do not try to dump ACL if no ACL exists. */
-        if (PQgetisnull(res, i, i_proacl) && PQgetisnull(res, i, i_rproacl) &&
-            PQgetisnull(res, i, i_initproacl) &&
-            PQgetisnull(res, i, i_initrproacl))
-            finfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
+        /* Mark whether function has an ACL */
+        if (!(PQgetisnull(res, i, i_proacl) &&
+              PQgetisnull(res, i, i_rproacl) &&
+              PQgetisnull(res, i, i_initproacl) &&
+              PQgetisnull(res, i, i_initrproacl)))
+            finfo[i].dobj.components |= DUMP_COMPONENT_ACL;

         if (strlen(finfo[i].rolname) == 0)
             pg_log_warning("owner of function \"%s\" appears to be invalid",
@@ -6232,6 +6227,7 @@ getTables(Archive *fout, int *numTables)
     int            i_relname;
     int            i_relnamespace;
     int            i_relkind;
+    int            i_reltype;
     int            i_rolname;
     int            i_relchecks;
     int            i_relhasindex;
@@ -6282,7 +6278,7 @@ getTables(Archive *fout, int *numTables)

     appendPQExpBuffer(query,
                       "SELECT c.tableoid, c.oid, c.relname, "
-                      "c.relnamespace, c.relkind, "
+                      "c.relnamespace, c.relkind, c.reltype, "
                       "(%s c.relowner) AS rolname, "
                       "c.relchecks, "
                       "c.relhasindex, c.relhasrules, c.relpages, "
@@ -6558,6 +6554,7 @@ getTables(Archive *fout, int *numTables)
     i_relname = PQfnumber(res, "relname");
     i_relnamespace = PQfnumber(res, "relnamespace");
     i_relkind = PQfnumber(res, "relkind");
+    i_reltype = PQfnumber(res, "reltype");
     i_rolname = PQfnumber(res, "rolname");
     i_relchecks = PQfnumber(res, "relchecks");
     i_relhasindex = PQfnumber(res, "relhasindex");
@@ -6619,6 +6616,7 @@ getTables(Archive *fout, int *numTables)
         tblinfo[i].dobj.namespace =
             findNamespace(atooid(PQgetvalue(res, i, i_relnamespace)));
         tblinfo[i].relkind = *(PQgetvalue(res, i, i_relkind));
+        tblinfo[i].reltype = atooid(PQgetvalue(res, i, i_reltype));
         tblinfo[i].rolname = pg_strdup(PQgetvalue(res, i, i_rolname));
         tblinfo[i].ncheck = atoi(PQgetvalue(res, i, i_relchecks));
         tblinfo[i].hasindex = (strcmp(PQgetvalue(res, i, i_relhasindex), "t") == 0);
@@ -6681,11 +6679,30 @@ getTables(Archive *fout, int *numTables)
         else
             selectDumpableTable(&tblinfo[i], fout);

-        tblinfo[i].interesting = tblinfo[i].dobj.dump ? true : false;
+        /*
+         * Now, consider the table "interesting" if we need to dump its
+         * definition or its data.  Later on, we'll skip a lot of data
+         * collection for uninteresting tables.
+         *
+         * Note: the "interesting" flag will also be set by flagInhTables for
+         * parents of interesting tables, so that we collect necessary
+         * inheritance info even when the parents are not themselves being
+         * dumped.  This is the main reason why we need an "interesting" flag
+         * that's separate from the components-to-dump bitmask.
+         */
+        tblinfo[i].interesting = (tblinfo[i].dobj.dump &
+                                  (DUMP_COMPONENT_DEFINITION |
+                                   DUMP_COMPONENT_DATA)) != 0;
+
         tblinfo[i].dummy_view = false;    /* might get set during sort */
         tblinfo[i].postponed_def = false;    /* might get set during sort */

+        /* Tables have data */
+        tblinfo[i].dobj.components |= DUMP_COMPONENT_DATA;
+
         /*
+         * Mark whether table has an ACL.
+         *
          * If the table-level and all column-level ACLs for this table are
          * unchanged, then we don't need to worry about including the ACLs for
          * this table.  If any column-level ACLs have been changed, the
@@ -6694,11 +6711,12 @@ getTables(Archive *fout, int *numTables)
          * This can result in a significant performance improvement in cases
          * where we are only looking to dump out the ACL (eg: pg_catalog).
          */
-        if (PQgetisnull(res, i, i_relacl) && PQgetisnull(res, i, i_rrelacl) &&
-            PQgetisnull(res, i, i_initrelacl) &&
-            PQgetisnull(res, i, i_initrrelacl) &&
-            strcmp(PQgetvalue(res, i, i_changed_acl), "f") == 0)
-            tblinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
+        if (!(PQgetisnull(res, i, i_relacl) &&
+              PQgetisnull(res, i, i_rrelacl) &&
+              PQgetisnull(res, i, i_initrelacl) &&
+              PQgetisnull(res, i, i_initrrelacl) &&
+              strcmp(PQgetvalue(res, i, i_changed_acl), "f") == 0))
+            tblinfo[i].dobj.components |= DUMP_COMPONENT_ACL;

         /*
          * Read-lock target tables to make sure they aren't DROPPED or altered
@@ -6715,10 +6733,9 @@ getTables(Archive *fout, int *numTables)
          * We only need to lock the table for certain components; see
          * pg_dump.h
          */
-        if (tblinfo[i].dobj.dump &&
+        if ((tblinfo[i].dobj.dump & DUMP_COMPONENTS_REQUIRING_LOCK) &&
             (tblinfo[i].relkind == RELKIND_RELATION ||
-             tblinfo[i].relkind == RELKIND_PARTITIONED_TABLE) &&
-            (tblinfo[i].dobj.dump & DUMP_COMPONENTS_REQUIRING_LOCK))
+             tblinfo[i].relkind == RELKIND_PARTITIONED_TABLE))
         {
             resetPQExpBuffer(query);
             appendPQExpBuffer(query,
@@ -6900,13 +6917,9 @@ getIndexes(Archive *fout, TableInfo tblinfo[], int numTables)
             continue;

         /*
-         * Ignore indexes of tables whose definitions are not to be dumped.
-         *
-         * We also need indexes on partitioned tables which have partitions to
-         * be dumped, in order to dump the indexes on the partitions.
+         * We can ignore indexes of uninteresting tables.
          */
-        if (!(tbinfo->dobj.dump & DUMP_COMPONENT_DEFINITION) &&
-            !tbinfo->interesting)
+        if (!tbinfo->interesting)
             continue;

         pg_log_info("reading indexes for table \"%s.%s\"",
@@ -7276,9 +7289,6 @@ getExtendedStatistics(Archive *fout)

         /* Decide whether we want to dump it */
         selectDumpableObject(&(statsextinfo[i].dobj), fout);
-
-        /* Stats objects do not currently have ACLs. */
-        statsextinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -7968,9 +7978,6 @@ getEventTriggers(Archive *fout, int *numEventTriggers)

         /* Decide whether we want to dump it */
         selectDumpableObject(&(evtinfo[i].dobj), fout);
-
-        /* Event Triggers do not currently have ACLs. */
-        evtinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -8147,11 +8154,12 @@ getProcLangs(Archive *fout, int *numProcLangs)
         /* Decide whether we want to dump it */
         selectDumpableProcLang(&(planginfo[i]), fout);

-        /* Do not try to dump ACL if no ACL exists. */
-        if (PQgetisnull(res, i, i_lanacl) && PQgetisnull(res, i, i_rlanacl) &&
-            PQgetisnull(res, i, i_initlanacl) &&
-            PQgetisnull(res, i, i_initrlanacl))
-            planginfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
+        /* Mark whether language has an ACL */
+        if (!(PQgetisnull(res, i, i_lanacl) &&
+              PQgetisnull(res, i, i_rlanacl) &&
+              PQgetisnull(res, i, i_initlanacl) &&
+              PQgetisnull(res, i, i_initrlanacl)))
+            planginfo[i].dobj.components |= DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -8261,9 +8269,6 @@ getCasts(Archive *fout, int *numCasts)

         /* Decide whether we want to dump it */
         selectDumpableCast(&(castinfo[i]), fout);
-
-        /* Casts do not currently have ACLs. */
-        castinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -8960,9 +8965,6 @@ getTSParsers(Archive *fout, int *numTSParsers)

         /* Decide whether we want to dump it */
         selectDumpableObject(&(prsinfo[i].dobj), fout);
-
-        /* Text Search Parsers do not currently have ACLs. */
-        prsinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -9043,9 +9045,6 @@ getTSDictionaries(Archive *fout, int *numTSDicts)

         /* Decide whether we want to dump it */
         selectDumpableObject(&(dictinfo[i].dobj), fout);
-
-        /* Text Search Dictionaries do not currently have ACLs. */
-        dictinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -9118,9 +9117,6 @@ getTSTemplates(Archive *fout, int *numTSTemplates)

         /* Decide whether we want to dump it */
         selectDumpableObject(&(tmplinfo[i].dobj), fout);
-
-        /* Text Search Templates do not currently have ACLs. */
-        tmplinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -9194,9 +9190,6 @@ getTSConfigurations(Archive *fout, int *numTSConfigs)

         /* Decide whether we want to dump it */
         selectDumpableObject(&(cfginfo[i].dobj), fout);
-
-        /* Text Search Configurations do not currently have ACLs. */
-        cfginfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -9358,11 +9351,12 @@ getForeignDataWrappers(Archive *fout, int *numForeignDataWrappers)
         /* Decide whether we want to dump it */
         selectDumpableObject(&(fdwinfo[i].dobj), fout);

-        /* Do not try to dump ACL if no ACL exists. */
-        if (PQgetisnull(res, i, i_fdwacl) && PQgetisnull(res, i, i_rfdwacl) &&
-            PQgetisnull(res, i, i_initfdwacl) &&
-            PQgetisnull(res, i, i_initrfdwacl))
-            fdwinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
+        /* Mark whether FDW has an ACL */
+        if (!(PQgetisnull(res, i, i_fdwacl) &&
+              PQgetisnull(res, i, i_rfdwacl) &&
+              PQgetisnull(res, i, i_initfdwacl) &&
+              PQgetisnull(res, i, i_initrfdwacl)))
+            fdwinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -9508,11 +9502,15 @@ getForeignServers(Archive *fout, int *numForeignServers)
         /* Decide whether we want to dump it */
         selectDumpableObject(&(srvinfo[i].dobj), fout);

-        /* Do not try to dump ACL if no ACL exists. */
-        if (PQgetisnull(res, i, i_srvacl) && PQgetisnull(res, i, i_rsrvacl) &&
-            PQgetisnull(res, i, i_initsrvacl) &&
-            PQgetisnull(res, i, i_initrsrvacl))
-            srvinfo[i].dobj.dump &= ~DUMP_COMPONENT_ACL;
+        /* Servers have user mappings */
+        srvinfo[i].dobj.components |= DUMP_COMPONENT_USERMAP;
+
+        /* Mark whether server has an ACL */
+        if (!(PQgetisnull(res, i, i_srvacl) &&
+              PQgetisnull(res, i, i_rsrvacl) &&
+              PQgetisnull(res, i, i_initsrvacl) &&
+              PQgetisnull(res, i, i_initrsrvacl)))
+            srvinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
     }

     PQclear(res);
@@ -9664,6 +9662,9 @@ getDefaultACLs(Archive *fout, int *numDefaultACLs)
         daclinfo[i].initdefaclacl = pg_strdup(PQgetvalue(res, i, i_initdefaclacl));
         daclinfo[i].initrdefaclacl = pg_strdup(PQgetvalue(res, i, i_initrdefaclacl));

+        /* Default ACLs are ACLs, of course */
+        daclinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
+
         /* Decide whether we want to dump it */
         selectDumpableDefaultACL(&(daclinfo[i]), dopt);
     }
@@ -9917,19 +9918,11 @@ static int
 findComments(Archive *fout, Oid classoid, Oid objoid,
              CommentItem **items)
 {
-    /* static storage for table of comments */
-    static CommentItem *comments = NULL;
-    static int    ncomments = -1;
-
     CommentItem *middle = NULL;
     CommentItem *low;
     CommentItem *high;
     int            nmatch;

-    /* Get comments if we didn't already */
-    if (ncomments < 0)
-        ncomments = collectComments(fout, &comments);
-
     /*
      * Do binary search to find some item matching the object.
      */
@@ -9990,15 +9983,17 @@ findComments(Archive *fout, Oid classoid, Oid objoid,
 /*
  * collectComments --
  *
- * Construct a table of all comments available for database objects.
+ * Construct a table of all comments available for database objects;
+ * also set the has-comment component flag for each relevant object.
+ *
  * We used to do per-object queries for the comments, but it's much faster
  * to pull them all over at once, and on most databases the memory cost
  * isn't high.
  *
  * The table is sorted by classoid/objid/objsubid for speed in lookup.
  */
-static int
-collectComments(Archive *fout, CommentItem **items)
+static void
+collectComments(Archive *fout)
 {
     PGresult   *res;
     PQExpBuffer query;
@@ -10008,7 +10003,7 @@ collectComments(Archive *fout, CommentItem **items)
     int            i_objsubid;
     int            ntups;
     int            i;
-    CommentItem *comments;
+    DumpableObject *dobj;

     query = createPQExpBuffer();

@@ -10028,20 +10023,52 @@ collectComments(Archive *fout, CommentItem **items)
     ntups = PQntuples(res);

     comments = (CommentItem *) pg_malloc(ntups * sizeof(CommentItem));
+    ncomments = 0;
+    dobj = NULL;

     for (i = 0; i < ntups; i++)
     {
-        comments[i].descr = PQgetvalue(res, i, i_description);
-        comments[i].classoid = atooid(PQgetvalue(res, i, i_classoid));
-        comments[i].objoid = atooid(PQgetvalue(res, i, i_objoid));
-        comments[i].objsubid = atoi(PQgetvalue(res, i, i_objsubid));
+        CatalogId    objId;
+        int            subid;
+
+        objId.tableoid = atooid(PQgetvalue(res, i, i_classoid));
+        objId.oid = atooid(PQgetvalue(res, i, i_objoid));
+        subid = atoi(PQgetvalue(res, i, i_objsubid));
+
+        /* We needn't remember comments that don't match any dumpable object */
+        if (dobj == NULL ||
+            dobj->catId.tableoid != objId.tableoid ||
+            dobj->catId.oid != objId.oid)
+            dobj = findObjectByCatalogId(objId);
+        if (dobj == NULL)
+            continue;
+
+        /*
+         * Comments on columns of composite types are linked to the type's
+         * pg_class entry, but we need to set the DUMP_COMPONENT_COMMENT flag
+         * in the type's own DumpableObject.
+         */
+        if (subid != 0 && dobj->objType == DO_TABLE &&
+            ((TableInfo *) dobj)->relkind == RELKIND_COMPOSITE_TYPE)
+        {
+            TypeInfo   *cTypeInfo;
+
+            cTypeInfo = findTypeByOid(((TableInfo *) dobj)->reltype);
+            if (cTypeInfo)
+                cTypeInfo->dobj.components |= DUMP_COMPONENT_COMMENT;
+        }
+        else
+            dobj->components |= DUMP_COMPONENT_COMMENT;
+
+        comments[ncomments].descr = pg_strdup(PQgetvalue(res, i, i_description));
+        comments[ncomments].classoid = objId.tableoid;
+        comments[ncomments].objoid = objId.oid;
+        comments[ncomments].objsubid = subid;
+        ncomments++;
     }

-    /* Do NOT free the PGresult since we are keeping pointers into it */
+    PQclear(res);
     destroyPQExpBuffer(query);
-
-    *items = comments;
-    return ntups;
 }

 /*
@@ -10051,8 +10078,19 @@ collectComments(Archive *fout, CommentItem **items)
  * ArchiveEntries (TOC objects) for each object to be dumped.
  */
 static void
-dumpDumpableObject(Archive *fout, const DumpableObject *dobj)
+dumpDumpableObject(Archive *fout, DumpableObject *dobj)
 {
+    /*
+     * Clear any dump-request bits for components that don't exist for this
+     * object.  (This makes it safe to initially use DUMP_COMPONENT_ALL as the
+     * request for every kind of object.)
+     */
+    dobj->dump &= dobj->components;
+
+    /* Now, short-circuit if there's nothing to be done here. */
+    if (dobj->dump == 0)
+        return;
+
     switch (dobj->objType)
     {
         case DO_NAMESPACE:
@@ -10227,8 +10265,8 @@ dumpNamespace(Archive *fout, const NamespaceInfo *nspinfo)
     PQExpBuffer delq;
     char       *qnspname;

-    /* Skip if not to be dumped */
-    if (!nspinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -10307,8 +10345,8 @@ dumpExtension(Archive *fout, const ExtensionInfo *extinfo)
     PQExpBuffer delq;
     char       *qextname;

-    /* Skip if not to be dumped */
-    if (!extinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -10432,8 +10470,8 @@ dumpType(Archive *fout, const TypeInfo *tyinfo)
 {
     DumpOptions *dopt = fout->dopt;

-    /* Skip if not to be dumped */
-    if (!tyinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     /* Dump out in proper style */
@@ -11571,8 +11609,8 @@ dumpShellType(Archive *fout, const ShellTypeInfo *stinfo)
     DumpOptions *dopt = fout->dopt;
     PQExpBuffer q;

-    /* Skip if not to be dumped */
-    if (!stinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -11623,8 +11661,8 @@ dumpProcLang(Archive *fout, const ProcLangInfo *plang)
     FuncInfo   *inlineInfo = NULL;
     FuncInfo   *validatorInfo = NULL;

-    /* Skip if not to be dumped */
-    if (!plang->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     /*
@@ -11911,8 +11949,8 @@ dumpFunc(Archive *fout, const FuncInfo *finfo)
     const char *keyword;
     int            i;

-    /* Skip if not to be dumped */
-    if (!finfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     query = createPQExpBuffer();
@@ -12405,8 +12443,8 @@ dumpCast(Archive *fout, const CastInfo *cast)
     const char *sourceType;
     const char *targetType;

-    /* Skip if not to be dumped */
-    if (!cast->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     /* Cannot dump if we don't have the cast function's info */
@@ -12511,8 +12549,8 @@ dumpTransform(Archive *fout, const TransformInfo *transform)
     char       *lanname;
     const char *transformType;

-    /* Skip if not to be dumped */
-    if (!transform->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     /* Cannot dump if we don't have the transform functions' info */
@@ -12660,8 +12698,8 @@ dumpOpr(Archive *fout, const OprInfo *oprinfo)
     char       *oprregproc;
     char       *oprref;

-    /* Skip if not to be dumped */
-    if (!oprinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     /*
@@ -12953,8 +12991,8 @@ dumpAccessMethod(Archive *fout, const AccessMethodInfo *aminfo)
     PQExpBuffer delq;
     char       *qamname;

-    /* Skip if not to be dumped */
-    if (!aminfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -13058,8 +13096,8 @@ dumpOpclass(Archive *fout, const OpclassInfo *opcinfo)
     bool        needComma;
     int            i;

-    /* Skip if not to be dumped */
-    if (!opcinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     query = createPQExpBuffer();
@@ -13420,8 +13458,8 @@ dumpOpfamily(Archive *fout, const OpfamilyInfo *opfinfo)
     bool        needComma;
     int            i;

-    /* Skip if not to be dumped */
-    if (!opfinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     query = createPQExpBuffer();
@@ -13665,8 +13703,8 @@ dumpCollation(Archive *fout, const CollInfo *collinfo)
     const char *collcollate;
     const char *collctype;

-    /* Skip if not to be dumped */
-    if (!collinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     query = createPQExpBuffer();
@@ -13817,8 +13855,8 @@ dumpConversion(Archive *fout, const ConvInfo *convinfo)
     const char *conproc;
     bool        condefault;

-    /* Skip if not to be dumped */
-    if (!convinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     query = createPQExpBuffer();
@@ -13965,8 +14003,8 @@ dumpAgg(Archive *fout, const AggInfo *agginfo)
     const char *proparallel;
     char        defaultfinalmodify;

-    /* Skip if not to be dumped */
-    if (!agginfo->aggfn.dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     query = createPQExpBuffer();
@@ -14299,8 +14337,8 @@ dumpTSParser(Archive *fout, const TSParserInfo *prsinfo)
     PQExpBuffer delq;
     char       *qprsname;

-    /* Skip if not to be dumped */
-    if (!prsinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -14367,8 +14405,8 @@ dumpTSDictionary(Archive *fout, const TSDictInfo *dictinfo)
     char       *nspname;
     char       *tmplname;

-    /* Skip if not to be dumped */
-    if (!dictinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -14443,8 +14481,8 @@ dumpTSTemplate(Archive *fout, const TSTemplateInfo *tmplinfo)
     PQExpBuffer delq;
     char       *qtmplname;

-    /* Skip if not to be dumped */
-    if (!tmplinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -14509,8 +14547,8 @@ dumpTSConfig(Archive *fout, const TSConfigInfo *cfginfo)
     int            i_tokenname;
     int            i_dictname;

-    /* Skip if not to be dumped */
-    if (!cfginfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -14621,8 +14659,8 @@ dumpForeignDataWrapper(Archive *fout, const FdwInfo *fdwinfo)
     PQExpBuffer delq;
     char       *qfdwname;

-    /* Skip if not to be dumped */
-    if (!fdwinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -14696,8 +14734,8 @@ dumpForeignServer(Archive *fout, const ForeignServerInfo *srvinfo)
     char       *qsrvname;
     char       *fdwname;

-    /* Skip if not to be dumped */
-    if (!srvinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -14889,8 +14927,8 @@ dumpDefaultACL(Archive *fout, const DefaultACLInfo *daclinfo)
     PQExpBuffer tag;
     const char *type;

-    /* Skip if not to be dumped */
-    if (!daclinfo->dobj.dump || dopt->dataOnly || dopt->aclsSkip)
+    /* Do nothing in data-only dump, or if we're skipping ACLs */
+    if (dopt->dataOnly || dopt->aclsSkip)
         return;

     q = createPQExpBuffer();
@@ -15245,20 +15283,12 @@ dumpTableSecLabel(Archive *fout, const TableInfo *tbinfo, const char *reltypenam
 static int
 findSecLabels(Archive *fout, Oid classoid, Oid objoid, SecLabelItem **items)
 {
-    /* static storage for table of security labels */
-    static SecLabelItem *labels = NULL;
-    static int    nlabels = -1;
-
     SecLabelItem *middle = NULL;
     SecLabelItem *low;
     SecLabelItem *high;
     int            nmatch;

-    /* Get security labels if we didn't already */
-    if (nlabels < 0)
-        nlabels = collectSecLabels(fout, &labels);
-
-    if (nlabels <= 0)            /* no labels, so no match is possible */
+    if (nseclabels <= 0)        /* no labels, so no match is possible */
     {
         *items = NULL;
         return 0;
@@ -15267,8 +15297,8 @@ findSecLabels(Archive *fout, Oid classoid, Oid objoid, SecLabelItem **items)
     /*
      * Do binary search to find some item matching the object.
      */
-    low = &labels[0];
-    high = &labels[nlabels - 1];
+    low = &seclabels[0];
+    high = &seclabels[nseclabels - 1];
     while (low <= high)
     {
         middle = low + (high - low) / 2;
@@ -15324,13 +15354,13 @@ findSecLabels(Archive *fout, Oid classoid, Oid objoid, SecLabelItem **items)
 /*
  * collectSecLabels
  *
- * Construct a table of all security labels available for database objects.
- * It's much faster to pull them all at once.
+ * Construct a table of all security labels available for database objects;
+ * also set the has-seclabel component flag for each relevant object.
  *
  * The table is sorted by classoid/objid/objsubid for speed in lookup.
  */
-static int
-collectSecLabels(Archive *fout, SecLabelItem **items)
+static void
+collectSecLabels(Archive *fout)
 {
     PGresult   *res;
     PQExpBuffer query;
@@ -15341,7 +15371,7 @@ collectSecLabels(Archive *fout, SecLabelItem **items)
     int            i_objsubid;
     int            ntups;
     int            i;
-    SecLabelItem *labels;
+    DumpableObject *dobj;

     query = createPQExpBuffer();

@@ -15361,22 +15391,54 @@ collectSecLabels(Archive *fout, SecLabelItem **items)

     ntups = PQntuples(res);

-    labels = (SecLabelItem *) pg_malloc(ntups * sizeof(SecLabelItem));
+    seclabels = (SecLabelItem *) pg_malloc(ntups * sizeof(SecLabelItem));
+    nseclabels = 0;
+    dobj = NULL;

     for (i = 0; i < ntups; i++)
     {
-        labels[i].label = PQgetvalue(res, i, i_label);
-        labels[i].provider = PQgetvalue(res, i, i_provider);
-        labels[i].classoid = atooid(PQgetvalue(res, i, i_classoid));
-        labels[i].objoid = atooid(PQgetvalue(res, i, i_objoid));
-        labels[i].objsubid = atoi(PQgetvalue(res, i, i_objsubid));
+        CatalogId    objId;
+        int            subid;
+
+        objId.tableoid = atooid(PQgetvalue(res, i, i_classoid));
+        objId.oid = atooid(PQgetvalue(res, i, i_objoid));
+        subid = atoi(PQgetvalue(res, i, i_objsubid));
+
+        /* We needn't remember labels that don't match any dumpable object */
+        if (dobj == NULL ||
+            dobj->catId.tableoid != objId.tableoid ||
+            dobj->catId.oid != objId.oid)
+            dobj = findObjectByCatalogId(objId);
+        if (dobj == NULL)
+            continue;
+
+        /*
+         * Labels on columns of composite types are linked to the type's
+         * pg_class entry, but we need to set the DUMP_COMPONENT_SECLABEL flag
+         * in the type's own DumpableObject.
+         */
+        if (subid != 0 && dobj->objType == DO_TABLE &&
+            ((TableInfo *) dobj)->relkind == RELKIND_COMPOSITE_TYPE)
+        {
+            TypeInfo   *cTypeInfo;
+
+            cTypeInfo = findTypeByOid(((TableInfo *) dobj)->reltype);
+            if (cTypeInfo)
+                cTypeInfo->dobj.components |= DUMP_COMPONENT_SECLABEL;
+        }
+        else
+            dobj->components |= DUMP_COMPONENT_SECLABEL;
+
+        seclabels[nseclabels].label = pg_strdup(PQgetvalue(res, i, i_label));
+        seclabels[nseclabels].provider = pg_strdup(PQgetvalue(res, i, i_provider));
+        seclabels[nseclabels].classoid = objId.tableoid;
+        seclabels[nseclabels].objoid = objId.oid;
+        seclabels[nseclabels].objsubid = subid;
+        nseclabels++;
     }

-    /* Do NOT free the PGresult since we are keeping pointers into it */
+    PQclear(res);
     destroyPQExpBuffer(query);
-
-    *items = labels;
-    return ntups;
 }

 /*
@@ -15390,17 +15452,17 @@ dumpTable(Archive *fout, const TableInfo *tbinfo)
     DumpId        tableAclDumpId = InvalidDumpId;
     char       *namecopy;

-    /*
-     * noop if we are not dumping anything about this table, or if we are
-     * doing a data-only dump
-     */
-    if (!tbinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

-    if (tbinfo->relkind == RELKIND_SEQUENCE)
-        dumpSequence(fout, tbinfo);
-    else
-        dumpTableSchema(fout, tbinfo);
+    if (tbinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
+    {
+        if (tbinfo->relkind == RELKIND_SEQUENCE)
+            dumpSequence(fout, tbinfo);
+        else
+            dumpTableSchema(fout, tbinfo);
+    }

     /* Handle the ACL here */
     namecopy = pg_strdup(fmtId(tbinfo->dobj.name));
@@ -15420,7 +15482,8 @@ dumpTable(Archive *fout, const TableInfo *tbinfo)
     /*
      * Handle column ACLs, if any.  Note: we pull these with a separate query
      * rather than trying to fetch them during getTableAttrs, so that we won't
-     * miss ACLs on system columns.
+     * miss ACLs on system columns.  Doing it this way also allows us to dump
+     * ACLs for catalogs that we didn't mark "interesting" back in getTables.
      */
     if (fout->remoteVersion >= 80400 && tbinfo->dobj.dump & DUMP_COMPONENT_ACL)
     {
@@ -15639,8 +15702,7 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
                        qrelname);

     if (dopt->binary_upgrade)
-        binary_upgrade_set_type_oids_by_rel_oid(fout, q,
-                                                tbinfo->dobj.catId.oid);
+        binary_upgrade_set_type_oids_by_rel(fout, q, tbinfo);

     /* Is it a table or a view? */
     if (tbinfo->relkind == RELKIND_VIEW)
@@ -16381,6 +16443,7 @@ dumpTableAttach(Archive *fout, const TableAttachInfo *attachinfo)
     DumpOptions *dopt = fout->dopt;
     PQExpBuffer q;

+    /* Do nothing in data-only dump */
     if (dopt->dataOnly)
         return;

@@ -16431,8 +16494,8 @@ dumpAttrDef(Archive *fout, const AttrDefInfo *adinfo)
     char       *tag;
     char       *foreign;

-    /* Skip if table definition not to be dumped */
-    if (!tbinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     /* Skip if not "separate"; it was dumped in the table's definition */
@@ -16520,6 +16583,7 @@ dumpIndex(Archive *fout, const IndxInfo *indxinfo)
     char       *qindxname;
     char       *qqindxname;

+    /* Do nothing in data-only dump */
     if (dopt->dataOnly)
         return;

@@ -16654,6 +16718,7 @@ dumpIndex(Archive *fout, const IndxInfo *indxinfo)
 static void
 dumpIndexAttach(Archive *fout, const IndexAttachInfo *attachinfo)
 {
+    /* Do nothing in data-only dump */
     if (fout->dopt->dataOnly)
         return;

@@ -16700,8 +16765,8 @@ dumpStatisticsExt(Archive *fout, const StatsExtInfo *statsextinfo)
     PGresult   *res;
     char       *stxdef;

-    /* Skip if not to be dumped */
-    if (!statsextinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -16777,8 +16842,8 @@ dumpConstraint(Archive *fout, const ConstraintInfo *coninfo)
     char       *tag = NULL;
     char       *foreign;

-    /* Skip if not to be dumped */
-    if (!coninfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     q = createPQExpBuffer();
@@ -17430,10 +17495,7 @@ dumpTrigger(Archive *fout, const TriggerInfo *tginfo)
     int            findx;
     char       *tag;

-    /*
-     * we needn't check dobj.dump because TriggerInfo wouldn't have been
-     * created in the first place for non-dumpable triggers
-     */
+    /* Do nothing in data-only dump */
     if (dopt->dataOnly)
         return;

@@ -17669,8 +17731,8 @@ dumpEventTrigger(Archive *fout, const EventTriggerInfo *evtinfo)
     PQExpBuffer delqry;
     char       *qevtname;

-    /* Skip if not to be dumped */
-    if (!evtinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     query = createPQExpBuffer();
@@ -17760,8 +17822,8 @@ dumpRule(Archive *fout, const RuleInfo *rinfo)
     PGresult   *res;
     char       *tag;

-    /* Skip if not to be dumped */
-    if (!rinfo->dobj.dump || dopt->dataOnly)
+    /* Do nothing in data-only dump */
+    if (dopt->dataOnly)
         return;

     /*
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index cc55e598ec..3db73f710c 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -84,8 +84,13 @@ typedef enum
     DO_SUBSCRIPTION
 } DumpableObjectType;

-/* component types of an object which can be selected for dumping */
-typedef uint32 DumpComponents;    /* a bitmask of dump object components */
+/*
+ * DumpComponents is a bitmask of the potentially dumpable components of
+ * a database object: its core definition, plus optional attributes such
+ * as ACL, comments, etc.  The NONE and ALL symbols are convenient
+ * shorthands.
+ */
+typedef uint32 DumpComponents;
 #define DUMP_COMPONENT_NONE            (0)
 #define DUMP_COMPONENT_DEFINITION    (1 << 0)
 #define DUMP_COMPONENT_DATA            (1 << 1)
@@ -130,8 +135,9 @@ typedef struct _dumpableObject
     DumpId        dumpId;            /* assigned by AssignDumpId() */
     char       *name;            /* object name (should never be NULL) */
     struct _namespaceInfo *namespace;    /* containing namespace, or NULL */
-    DumpComponents dump;        /* bitmask of components to dump */
+    DumpComponents dump;        /* bitmask of components requested to dump */
     DumpComponents dump_contains;    /* as above, but for contained objects */
+    DumpComponents components;    /* bitmask of components available to dump */
     bool        ext_member;        /* true if object is member of extension */
     bool        depends_on_ext; /* true if object depends on an extension */
     DumpId       *dependencies;    /* dumpIds of objects this one depends on */
@@ -288,6 +294,7 @@ typedef struct _tableInfo
     uint32        toast_frozenxid;    /* toast table's relfrozenxid, if any */
     uint32        toast_minmxid;    /* toast table's relminmxid */
     int            ncheck;            /* # of CHECK expressions */
+    Oid            reltype;        /* OID of table's composite type, if any */
     char       *reloftype;        /* underlying type for typed table */
     Oid            foreign_server; /* foreign server oid, if applicable */
     /* these two are set only if table is a sequence owned by a column: */
diff --git a/src/bin/pg_dump/dumputils.c b/src/bin/pg_dump/dumputils.c
index ea67e52a3f..6e216313c6 100644
--- a/src/bin/pg_dump/dumputils.c
+++ b/src/bin/pg_dump/dumputils.c
@@ -24,7 +24,7 @@ static bool parseAclItem(const char *item, const char *type,
                          const char *name, const char *subname, int remoteVersion,
                          PQExpBuffer grantee, PQExpBuffer grantor,
                          PQExpBuffer privs, PQExpBuffer privswgo);
-static char *copyAclUserName(PQExpBuffer output, char *input);
+static char *dequoteAclUserName(PQExpBuffer output, char *input);
 static void AddAcl(PQExpBuffer aclbuf, const char *keyword,
                    const char *subname);

@@ -39,7 +39,8 @@ static void AddAcl(PQExpBuffer aclbuf, const char *keyword,
  *        TABLE, SEQUENCE, FUNCTION, PROCEDURE, LANGUAGE, SCHEMA, DATABASE, TABLESPACE,
  *        FOREIGN DATA WRAPPER, SERVER, or LARGE OBJECT)
  *    acls: the ACL string fetched from the database
- *    racls: the ACL string of any initial-but-now-revoked privileges
+ *    baseacls: the initial ACL string for this object; can be
+ *        NULL or empty string to indicate "not available from server"
  *    owner: username of object owner (will be passed through fmtId); can be
  *        NULL or empty string to indicate "no owner known"
  *    prefix: string to prefix to each generated command; typically empty
@@ -48,6 +49,12 @@ static void AddAcl(PQExpBuffer aclbuf, const char *keyword,
  * Returns true if okay, false if could not parse the acl string.
  * The resulting commands (if any) are appended to the contents of 'sql'.
  *
+ * baseacls is typically the result of acldefault() for the object's type
+ * and owner.  However, if there is a pg_init_privs entry for the object,
+ * it should instead be the initprivs ACLs.  When acls is itself a
+ * pg_init_privs entry, baseacls is what to dump that relative to; then
+ * it can be either an acldefault() value or an empty ACL "{}".
+ *
  * Note: when processing a default ACL, prefix is "ALTER DEFAULT PRIVILEGES "
  * or something similar, and name is an empty string.
  *
@@ -56,15 +63,19 @@ static void AddAcl(PQExpBuffer aclbuf, const char *keyword,
  */
 bool
 buildACLCommands(const char *name, const char *subname, const char *nspname,
-                 const char *type, const char *acls, const char *racls,
+                 const char *type, const char *acls, const char *baseacls,
                  const char *owner, const char *prefix, int remoteVersion,
                  PQExpBuffer sql)
 {
     bool        ok = true;
     char      **aclitems = NULL;
-    char      **raclitems = NULL;
+    char      **baseitems = NULL;
+    char      **grantitems = NULL;
+    char      **revokeitems = NULL;
     int            naclitems = 0;
-    int            nraclitems = 0;
+    int            nbaseitems = 0;
+    int            ngrantitems = 0;
+    int            nrevokeitems = 0;
     int            i;
     PQExpBuffer grantee,
                 grantor,
@@ -72,37 +83,88 @@ buildACLCommands(const char *name, const char *subname, const char *nspname,
                 privswgo;
     PQExpBuffer firstsql,
                 secondsql;
-    bool        found_owner_privs = false;

-    if (strlen(acls) == 0 && strlen(racls) == 0)
+    /*
+     * If the acl was NULL (initial default state), we need do nothing.  Note
+     * that this is distinguishable from all-privileges-revoked, which will
+     * look like an empty array ("{}").
+     */
+    if (acls == NULL || *acls == '\0')
         return true;            /* object has default permissions */

     /* treat empty-string owner same as NULL */
     if (owner && *owner == '\0')
         owner = NULL;

-    if (strlen(acls) != 0)
+    /* Parse the acls array */
+    if (!parsePGArray(acls, &aclitems, &naclitems))
+    {
+        if (aclitems)
+            free(aclitems);
+        return false;
+    }
+
+    /* Parse the baseacls, if provided */
+    if (baseacls && *baseacls != '\0')
     {
-        if (!parsePGArray(acls, &aclitems, &naclitems))
+        if (!parsePGArray(baseacls, &baseitems, &nbaseitems))
         {
             if (aclitems)
                 free(aclitems);
+            if (baseitems)
+                free(baseitems);
             return false;
         }
     }

-    if (strlen(racls) != 0)
+    /*
+     * Compare the actual ACL with the base ACL, extracting the privileges
+     * that need to be granted (i.e., are in the actual ACL but not the base
+     * ACL) and the ones that need to be revoked (the reverse).  We use plain
+     * string comparisons to check for matches.  In principle that could be
+     * fooled by extraneous issues such as whitespace, but since all these
+     * strings are the work of aclitemout(), it should be OK in practice.
+     * Besides, a false mismatch will just cause the output to be a little
+     * more verbose than it really needed to be.
+     *
+     * (If we weren't given a base ACL, this stanza winds up with all the
+     * ACL's items in grantitems and nothing in revokeitems.  It's not worth
+     * special-casing that.)
+     */
+    grantitems = (char **) pg_malloc(naclitems * sizeof(char *));
+    for (i = 0; i < naclitems; i++)
     {
-        if (!parsePGArray(racls, &raclitems, &nraclitems))
+        bool        found = false;
+
+        for (int j = 0; j < nbaseitems; j++)
         {
-            if (aclitems)
-                free(aclitems);
-            if (raclitems)
-                free(raclitems);
-            return false;
+            if (strcmp(aclitems[i], baseitems[j]) == 0)
+            {
+                found = true;
+                break;
+            }
         }
+        if (!found)
+            grantitems[ngrantitems++] = aclitems[i];
     }
+    revokeitems = (char **) pg_malloc(nbaseitems * sizeof(char *));
+    for (i = 0; i < nbaseitems; i++)
+    {
+        bool        found = false;

+        for (int j = 0; j < naclitems; j++)
+        {
+            if (strcmp(baseitems[i], aclitems[j]) == 0)
+            {
+                found = true;
+                break;
+            }
+        }
+        if (!found)
+            revokeitems[nrevokeitems++] = baseitems[i];
+    }
+
+    /* Prepare working buffers */
     grantee = createPQExpBuffer();
     grantor = createPQExpBuffer();
     privs = createPQExpBuffer();
@@ -110,50 +172,21 @@ buildACLCommands(const char *name, const char *subname, const char *nspname,

     /*
      * At the end, these two will be pasted together to form the result.
-     *
-     * For older systems we use these to ensure that the owner privileges go
-     * before the other ones, as a GRANT could create the default entry for
-     * the object, which generally includes all rights for the owner. In more
-     * recent versions we normally handle this because the owner rights come
-     * first in the ACLs, but older versions might have them after the PUBLIC
-     * privileges.
-     *
-     * For 9.6 and later systems, much of this changes.  With 9.6, we check
-     * the default privileges for the objects at dump time and create two sets
-     * of ACLs- "racls" which are the ACLs to REVOKE from the object (as the
-     * object may have initial privileges on it, along with any default ACLs
-     * which are not part of the current set of privileges), and regular
-     * "acls", which are the ACLs to GRANT to the object.  We handle the
-     * REVOKEs first, followed by the GRANTs.
      */
     firstsql = createPQExpBuffer();
     secondsql = createPQExpBuffer();

     /*
-     * For pre-9.6 systems, we always start with REVOKE ALL FROM PUBLIC, as we
-     * don't wish to make any assumptions about what the default ACLs are, and
-     * we do not collect them during the dump phase (and racls will always be
-     * the empty set, see above).
-     *
-     * For 9.6 and later, if any revoke ACLs have been provided, then include
-     * them in 'firstsql'.
+     * If we weren't given baseacls information, we just revoke everything and
+     * then grant what's listed in the ACL.  This avoids having to embed
+     * detailed knowledge about what the defaults are/were, and it's not very
+     * expensive since servers lacking acldefault() are now rare.
      *
-     * Revoke ACLs happen when an object starts out life with a set of
-     * privileges (eg: GRANT SELECT ON pg_class TO PUBLIC;) and the user has
-     * decided to revoke those rights.  Since those objects come into being
-     * with those default privileges, we have to revoke them to match what the
-     * current state of affairs is.  Note that we only started explicitly
-     * tracking such initial rights in 9.6, and prior to that all initial
-     * rights are actually handled by the simple 'REVOKE ALL .. FROM PUBLIC'
-     * case, for initdb-created objects.  Prior to 9.6, we didn't handle
-     * extensions correctly, but we do now by tracking their initial
-     * privileges, in the same way we track initdb initial privileges, see
-     * pg_init_privs.
+     * Otherwise, we need only revoke what's listed in revokeitems.
      */
-    if (remoteVersion < 90600)
+    if (baseacls == NULL || *baseacls == '\0')
     {
-        Assert(nraclitems == 0);
-
+        /* We assume the old defaults only involved the owner and PUBLIC */
         appendPQExpBuffer(firstsql, "%sREVOKE ALL", prefix);
         if (subname)
             appendPQExpBuffer(firstsql, "(%s)", subname);
@@ -161,13 +194,24 @@ buildACLCommands(const char *name, const char *subname, const char *nspname,
         if (nspname && *nspname)
             appendPQExpBuffer(firstsql, "%s.", fmtId(nspname));
         appendPQExpBuffer(firstsql, "%s FROM PUBLIC;\n", name);
+        if (owner)
+        {
+            appendPQExpBuffer(firstsql, "%sREVOKE ALL", prefix);
+            if (subname)
+                appendPQExpBuffer(firstsql, "(%s)", subname);
+            appendPQExpBuffer(firstsql, " ON %s ", type);
+            if (nspname && *nspname)
+                appendPQExpBuffer(firstsql, "%s.", fmtId(nspname));
+            appendPQExpBuffer(firstsql, "%s FROM %s;\n", name, fmtId(owner));
+        }
     }
     else
     {
         /* Scan individual REVOKE ACL items */
-        for (i = 0; i < nraclitems; i++)
+        for (i = 0; i < nrevokeitems; i++)
         {
-            if (!parseAclItem(raclitems[i], type, name, subname, remoteVersion,
+            if (!parseAclItem(revokeitems[i],
+                              type, name, subname, remoteVersion,
                               grantee, grantor, privs, NULL))
             {
                 ok = false;
@@ -195,6 +239,10 @@ buildACLCommands(const char *name, const char *subname, const char *nspname,
     }

     /*
+     * At this point we have issued REVOKE statements for all initial and
+     * default privileges that are no longer present on the object, so we are
+     * almost ready to GRANT the privileges listed in grantitems[].
+     *
      * We still need some hacking though to cover the case where new default
      * public privileges are added in new versions: the REVOKE ALL will revoke
      * them, leading to behavior different from what the old version had,
@@ -208,146 +256,92 @@ buildACLCommands(const char *name, const char *subname, const char *nspname,
                           prefix, type, name);
     }

-    /* Scan individual ACL items */
-    for (i = 0; i < naclitems; i++)
+    /*
+     * Scan individual ACL items to be granted.
+     *
+     * The order in which privileges appear in the ACL string (the order they
+     * have been GRANT'd in, which the backend maintains) must be preserved to
+     * ensure that GRANTs WITH GRANT OPTION and subsequent GRANTs based on
+     * those are dumped in the correct order.  However, some old server
+     * versions will show grants to PUBLIC before the owner's own grants; for
+     * consistency's sake, force the owner's grants to be output first.
+     */
+    for (i = 0; i < ngrantitems; i++)
     {
-        if (!parseAclItem(aclitems[i], type, name, subname, remoteVersion,
-                          grantee, grantor, privs, privswgo))
-        {
-            ok = false;
-            break;
-        }
-
-        if (grantor->len == 0 && owner)
-            printfPQExpBuffer(grantor, "%s", owner);
-
-        if (privs->len > 0 || privswgo->len > 0)
+        if (parseAclItem(grantitems[i], type, name, subname, remoteVersion,
+                         grantee, grantor, privs, privswgo))
         {
             /*
-             * Prior to 9.6, we had to handle owner privileges in a special
-             * manner by first REVOKE'ing the rights and then GRANT'ing them
-             * after.  With 9.6 and above, what we need to REVOKE and what we
-             * need to GRANT is figured out when we dump and stashed into
-             * "racls" and "acls", respectively.  See above.
+             * If the grantor isn't the owner, we'll need to use SET SESSION
+             * AUTHORIZATION to become the grantor.  Issue the SET/RESET only
+             * if there's something useful to do.
              */
-            if (remoteVersion < 90600 && owner
-                && strcmp(grantee->data, owner) == 0
-                && strcmp(grantor->data, owner) == 0)
+            if (privs->len > 0 || privswgo->len > 0)
             {
-                found_owner_privs = true;
+                PQExpBuffer thissql;
+
+                /* Set owner as grantor if that's not explicit in the ACL */
+                if (grantor->len == 0 && owner)
+                    printfPQExpBuffer(grantor, "%s", owner);
+
+                /* Make sure owner's own grants are output before others */
+                if (owner &&
+                    strcmp(grantee->data, owner) == 0 &&
+                    strcmp(grantor->data, owner) == 0)
+                    thissql = firstsql;
+                else
+                    thissql = secondsql;

-                /*
-                 * For the owner, the default privilege level is ALL WITH
-                 * GRANT OPTION.
-                 */
-                if (strcmp(privswgo->data, "ALL") != 0)
-                {
-                    appendPQExpBuffer(firstsql, "%sREVOKE ALL", prefix);
-                    if (subname)
-                        appendPQExpBuffer(firstsql, "(%s)", subname);
-                    appendPQExpBuffer(firstsql, " ON %s ", type);
-                    if (nspname && *nspname)
-                        appendPQExpBuffer(firstsql, "%s.", fmtId(nspname));
-                    appendPQExpBuffer(firstsql, "%s FROM %s;\n",
-                                      name, fmtId(grantee->data));
-                    if (privs->len > 0)
-                    {
-                        appendPQExpBuffer(firstsql,
-                                          "%sGRANT %s ON %s ",
-                                          prefix, privs->data, type);
-                        if (nspname && *nspname)
-                            appendPQExpBuffer(firstsql, "%s.", fmtId(nspname));
-                        appendPQExpBuffer(firstsql,
-                                          "%s TO %s;\n",
-                                          name, fmtId(grantee->data));
-                    }
-                    if (privswgo->len > 0)
-                    {
-                        appendPQExpBuffer(firstsql,
-                                          "%sGRANT %s ON %s ",
-                                          prefix, privswgo->data, type);
-                        if (nspname && *nspname)
-                            appendPQExpBuffer(firstsql, "%s.", fmtId(nspname));
-                        appendPQExpBuffer(firstsql,
-                                          "%s TO %s WITH GRANT OPTION;\n",
-                                          name, fmtId(grantee->data));
-                    }
-                }
-            }
-            else
-            {
-                /*
-                 * For systems prior to 9.6, we can assume we are starting
-                 * from no privs at this point.
-                 *
-                 * For 9.6 and above, at this point we have issued REVOKE
-                 * statements for all initial and default privileges which are
-                 * no longer present on the object (as they were passed in as
-                 * 'racls') and we can simply GRANT the rights which are in
-                 * 'acls'.
-                 */
                 if (grantor->len > 0
                     && (!owner || strcmp(owner, grantor->data) != 0))
-                    appendPQExpBuffer(secondsql, "SET SESSION AUTHORIZATION %s;\n",
+                    appendPQExpBuffer(thissql, "SET SESSION AUTHORIZATION %s;\n",
                                       fmtId(grantor->data));

                 if (privs->len > 0)
                 {
-                    appendPQExpBuffer(secondsql, "%sGRANT %s ON %s ",
+                    appendPQExpBuffer(thissql, "%sGRANT %s ON %s ",
                                       prefix, privs->data, type);
                     if (nspname && *nspname)
-                        appendPQExpBuffer(secondsql, "%s.", fmtId(nspname));
-                    appendPQExpBuffer(secondsql, "%s TO ", name);
+                        appendPQExpBuffer(thissql, "%s.", fmtId(nspname));
+                    appendPQExpBuffer(thissql, "%s TO ", name);
                     if (grantee->len == 0)
-                        appendPQExpBufferStr(secondsql, "PUBLIC;\n");
+                        appendPQExpBufferStr(thissql, "PUBLIC;\n");
                     else if (strncmp(grantee->data, "group ",
                                      strlen("group ")) == 0)
-                        appendPQExpBuffer(secondsql, "GROUP %s;\n",
+                        appendPQExpBuffer(thissql, "GROUP %s;\n",
                                           fmtId(grantee->data + strlen("group ")));
                     else
-                        appendPQExpBuffer(secondsql, "%s;\n", fmtId(grantee->data));
+                        appendPQExpBuffer(thissql, "%s;\n", fmtId(grantee->data));
                 }
                 if (privswgo->len > 0)
                 {
-                    appendPQExpBuffer(secondsql, "%sGRANT %s ON %s ",
+                    appendPQExpBuffer(thissql, "%sGRANT %s ON %s ",
                                       prefix, privswgo->data, type);
                     if (nspname && *nspname)
-                        appendPQExpBuffer(secondsql, "%s.", fmtId(nspname));
-                    appendPQExpBuffer(secondsql, "%s TO ", name);
+                        appendPQExpBuffer(thissql, "%s.", fmtId(nspname));
+                    appendPQExpBuffer(thissql, "%s TO ", name);
                     if (grantee->len == 0)
-                        appendPQExpBufferStr(secondsql, "PUBLIC");
+                        appendPQExpBufferStr(thissql, "PUBLIC");
                     else if (strncmp(grantee->data, "group ",
                                      strlen("group ")) == 0)
-                        appendPQExpBuffer(secondsql, "GROUP %s",
+                        appendPQExpBuffer(thissql, "GROUP %s",
                                           fmtId(grantee->data + strlen("group ")));
                     else
-                        appendPQExpBufferStr(secondsql, fmtId(grantee->data));
-                    appendPQExpBufferStr(secondsql, " WITH GRANT OPTION;\n");
+                        appendPQExpBufferStr(thissql, fmtId(grantee->data));
+                    appendPQExpBufferStr(thissql, " WITH GRANT OPTION;\n");
                 }

                 if (grantor->len > 0
                     && (!owner || strcmp(owner, grantor->data) != 0))
-                    appendPQExpBufferStr(secondsql, "RESET SESSION AUTHORIZATION;\n");
+                    appendPQExpBufferStr(thissql, "RESET SESSION AUTHORIZATION;\n");
             }
         }
-    }
-
-    /*
-     * For systems prior to 9.6, if we didn't find any owner privs, the owner
-     * must have revoked 'em all.
-     *
-     * For 9.6 and above, we handle this through the 'racls'.  See above.
-     */
-    if (remoteVersion < 90600 && !found_owner_privs && owner)
-    {
-        appendPQExpBuffer(firstsql, "%sREVOKE ALL", prefix);
-        if (subname)
-            appendPQExpBuffer(firstsql, "(%s)", subname);
-        appendPQExpBuffer(firstsql, " ON %s ", type);
-        if (nspname && *nspname)
-            appendPQExpBuffer(firstsql, "%s.", fmtId(nspname));
-        appendPQExpBuffer(firstsql, "%s FROM %s;\n",
-                          name, fmtId(owner));
+        else
+        {
+            /* parseAclItem failed, give up */
+            ok = false;
+            break;
+        }
     }

     destroyPQExpBuffer(grantee);
@@ -361,19 +355,23 @@ buildACLCommands(const char *name, const char *subname, const char *nspname,

     if (aclitems)
         free(aclitems);
-
-    if (raclitems)
-        free(raclitems);
+    if (baseitems)
+        free(baseitems);
+    if (grantitems)
+        free(grantitems);
+    if (revokeitems)
+        free(revokeitems);

     return ok;
 }

 /*
- * Build ALTER DEFAULT PRIVILEGES command(s) for single pg_default_acl entry.
+ * Build ALTER DEFAULT PRIVILEGES command(s) for a single pg_default_acl entry.
  *
  *    type: the object type (TABLES, FUNCTIONS, etc)
  *    nspname: schema name, or NULL for global default privileges
  *    acls: the ACL string fetched from the database
+ *    acldefault: the appropriate default ACL for the object type and owner
  *    owner: username of privileges owner (will be passed through fmtId)
  *    remoteVersion: version of database
  *
@@ -382,8 +380,7 @@ buildACLCommands(const char *name, const char *subname, const char *nspname,
  */
 bool
 buildDefaultACLCommands(const char *type, const char *nspname,
-                        const char *acls, const char *racls,
-                        const char *initacls, const char *initracls,
+                        const char *acls, const char *acldefault,
                         const char *owner,
                         int remoteVersion,
                         PQExpBuffer sql)
@@ -403,21 +400,12 @@ buildDefaultACLCommands(const char *type, const char *nspname,
     if (nspname)
         appendPQExpBuffer(prefix, "IN SCHEMA %s ", fmtId(nspname));

-    if (strlen(initacls) != 0 || strlen(initracls) != 0)
-    {
-        appendPQExpBufferStr(sql, "SELECT pg_catalog.binary_upgrade_set_record_init_privs(true);\n");
-        if (!buildACLCommands("", NULL, NULL, type,
-                              initacls, initracls, owner,
-                              prefix->data, remoteVersion, sql))
-        {
-            destroyPQExpBuffer(prefix);
-            return false;
-        }
-        appendPQExpBufferStr(sql, "SELECT pg_catalog.binary_upgrade_set_record_init_privs(false);\n");
-    }
-
+    /*
+     * There's no such thing as initprivs for a default ACL, so the base ACL
+     * is always just the object-type-specific default.
+     */
     if (!buildACLCommands("", NULL, NULL, type,
-                          acls, racls, owner,
+                          acls, acldefault, owner,
                           prefix->data, remoteVersion, sql))
     {
         destroyPQExpBuffer(prefix);
@@ -467,7 +455,7 @@ parseAclItem(const char *item, const char *type,
     buf = pg_strdup(item);

     /* user or group name is string up to = */
-    eqpos = copyAclUserName(grantee, buf);
+    eqpos = dequoteAclUserName(grantee, buf);
     if (*eqpos != '=')
     {
         pg_free(buf);
@@ -479,7 +467,7 @@ parseAclItem(const char *item, const char *type,
     if (slpos)
     {
         *slpos++ = '\0';
-        slpos = copyAclUserName(grantor, slpos);
+        slpos = dequoteAclUserName(grantor, slpos);
         if (*slpos != '\0')
         {
             pg_free(buf);
@@ -603,13 +591,46 @@ do { \
     return true;
 }

+/*
+ * Transfer the role name at *input into the output buffer, adding
+ * quoting according to the same rules as putid() in backend's acl.c.
+ */
+void
+quoteAclUserName(PQExpBuffer output, const char *input)
+{
+    const char *src;
+    bool        safe = true;
+
+    for (src = input; *src; src++)
+    {
+        /* This test had better match what putid() does */
+        if (!isalnum((unsigned char) *src) && *src != '_')
+        {
+            safe = false;
+            break;
+        }
+    }
+    if (!safe)
+        appendPQExpBufferChar(output, '"');
+    for (src = input; *src; src++)
+    {
+        /* A double quote character in a username is encoded as "" */
+        if (*src == '"')
+            appendPQExpBufferChar(output, '"');
+        appendPQExpBufferChar(output, *src);
+    }
+    if (!safe)
+        appendPQExpBufferChar(output, '"');
+}
+
 /*
  * Transfer a user or group name starting at *input into the output buffer,
  * dequoting if needed.  Returns a pointer to just past the input name.
  * The name is taken to end at an unquoted '=' or end of string.
+ * Note: unlike quoteAclUserName(), this first clears the output buffer.
  */
 static char *
-copyAclUserName(PQExpBuffer output, char *input)
+dequoteAclUserName(PQExpBuffer output, char *input)
 {
     resetPQExpBuffer(output);

@@ -708,137 +729,6 @@ emitShSecLabels(PGconn *conn, PGresult *res, PQExpBuffer buffer,
     }
 }

-/*
- * buildACLQueries
- *
- * Build the subqueries to extract out the correct set of ACLs to be
- * GRANT'd and REVOKE'd for the specific kind of object, accounting for any
- * initial privileges (from pg_init_privs) and based on if we are in binary
- * upgrade mode or not.
- *
- * Also builds subqueries to extract out the set of ACLs to go from the object
- * default privileges to the privileges in pg_init_privs, if we are in binary
- * upgrade mode, so that those privileges can be set up and recorded in the new
- * cluster before the regular privileges are added on top of those.
- */
-void
-buildACLQueries(PQExpBuffer acl_subquery, PQExpBuffer racl_subquery,
-                PQExpBuffer init_acl_subquery, PQExpBuffer init_racl_subquery,
-                const char *acl_column, const char *acl_owner,
-                const char *initprivs_expr,
-                const char *obj_kind, bool binary_upgrade)
-{
-    /*
-     * To get the delta from what the permissions were at creation time
-     * (either initdb or CREATE EXTENSION) vs. what they are now, we have to
-     * look at two things:
-     *
-     * What privileges have been added, which we calculate by extracting all
-     * the current privileges (using the set of default privileges for the
-     * object type if current privileges are NULL) and then removing those
-     * which existed at creation time (again, using the set of default
-     * privileges for the object type if there were no creation time
-     * privileges).
-     *
-     * What privileges have been removed, which we calculate by extracting the
-     * privileges as they were at creation time (or the default privileges, as
-     * above), and then removing the current privileges (or the default
-     * privileges, if current privileges are NULL).
-     *
-     * As a good cross-check, both directions of these checks should result in
-     * the empty set if both the current ACL and the initial privs are NULL
-     * (meaning, in practice, that the default ACLs were there at init time
-     * and is what the current privileges are).
-     *
-     * We always perform this delta on all ACLs and expect that by the time
-     * these are run the initial privileges will be in place, even in a binary
-     * upgrade situation (see below).
-     *
-     * Finally, the order in which privileges are in the ACL string (the order
-     * they been GRANT'd in, which the backend maintains) must be preserved to
-     * ensure that GRANTs WITH GRANT OPTION and subsequent GRANTs based on
-     * those are dumped in the correct order.
-     */
-    printfPQExpBuffer(acl_subquery,
-                      "(SELECT pg_catalog.array_agg(acl ORDER BY row_n) FROM "
-                      "(SELECT acl, row_n FROM "
-                      "pg_catalog.unnest(coalesce(%s,pg_catalog.acldefault(%s,%s))) "
-                      "WITH ORDINALITY AS perm(acl,row_n) "
-                      "WHERE NOT EXISTS ( "
-                      "SELECT 1 FROM "
-                      "pg_catalog.unnest(coalesce(%s,pg_catalog.acldefault(%s,%s))) "
-                      "AS init(init_acl) WHERE acl = init_acl)) as foo)",
-                      acl_column,
-                      obj_kind,
-                      acl_owner,
-                      initprivs_expr,
-                      obj_kind,
-                      acl_owner);
-
-    printfPQExpBuffer(racl_subquery,
-                      "(SELECT pg_catalog.array_agg(acl ORDER BY row_n) FROM "
-                      "(SELECT acl, row_n FROM "
-                      "pg_catalog.unnest(coalesce(%s,pg_catalog.acldefault(%s,%s))) "
-                      "WITH ORDINALITY AS initp(acl,row_n) "
-                      "WHERE NOT EXISTS ( "
-                      "SELECT 1 FROM "
-                      "pg_catalog.unnest(coalesce(%s,pg_catalog.acldefault(%s,%s))) "
-                      "AS permp(orig_acl) WHERE acl = orig_acl)) as foo)",
-                      initprivs_expr,
-                      obj_kind,
-                      acl_owner,
-                      acl_column,
-                      obj_kind,
-                      acl_owner);
-
-    /*
-     * In binary upgrade mode we don't run the extension script but instead
-     * dump out the objects independently and then recreate them.  To preserve
-     * the initial privileges which were set on extension objects, we need to
-     * grab the set of GRANT and REVOKE commands necessary to get from the
-     * default privileges of an object to the initial privileges as recorded
-     * in pg_init_privs.
-     *
-     * These will then be run ahead of the regular ACL commands, which were
-     * calculated using the queries above, inside of a block which sets a flag
-     * to indicate that the backend should record the results of these GRANT
-     * and REVOKE statements into pg_init_privs.  This is how we preserve the
-     * contents of that catalog across binary upgrades.
-     */
-    if (binary_upgrade)
-    {
-        printfPQExpBuffer(init_acl_subquery,
-                          "CASE WHEN privtype = 'e' THEN "
-                          "(SELECT pg_catalog.array_agg(acl ORDER BY row_n) FROM "
-                          "(SELECT acl, row_n FROM pg_catalog.unnest(%s) "
-                          "WITH ORDINALITY AS initp(acl,row_n) "
-                          "WHERE NOT EXISTS ( "
-                          "SELECT 1 FROM "
-                          "pg_catalog.unnest(pg_catalog.acldefault(%s,%s)) "
-                          "AS privm(orig_acl) WHERE acl = orig_acl)) as foo) END",
-                          initprivs_expr,
-                          obj_kind,
-                          acl_owner);
-
-        printfPQExpBuffer(init_racl_subquery,
-                          "CASE WHEN privtype = 'e' THEN "
-                          "(SELECT pg_catalog.array_agg(acl) FROM "
-                          "(SELECT acl, row_n FROM "
-                          "pg_catalog.unnest(pg_catalog.acldefault(%s,%s)) "
-                          "WITH ORDINALITY AS privp(acl,row_n) "
-                          "WHERE NOT EXISTS ( "
-                          "SELECT 1 FROM pg_catalog.unnest(%s) "
-                          "AS initp(init_acl) WHERE acl = init_acl)) as foo) END",
-                          obj_kind,
-                          acl_owner,
-                          initprivs_expr);
-    }
-    else
-    {
-        printfPQExpBuffer(init_acl_subquery, "NULL");
-        printfPQExpBuffer(init_racl_subquery, "NULL");
-    }
-}

 /*
  * Detect whether the given GUC variable is of GUC_LIST_QUOTE type.
diff --git a/src/bin/pg_dump/dumputils.h b/src/bin/pg_dump/dumputils.h
index f5465f19ae..fac7a05c91 100644
--- a/src/bin/pg_dump/dumputils.h
+++ b/src/bin/pg_dump/dumputils.h
@@ -37,26 +37,22 @@


 extern bool buildACLCommands(const char *name, const char *subname, const char *nspname,
-                             const char *type, const char *acls, const char *racls,
+                             const char *type, const char *acls, const char *baseacls,
                              const char *owner, const char *prefix, int remoteVersion,
                              PQExpBuffer sql);
 extern bool buildDefaultACLCommands(const char *type, const char *nspname,
-                                    const char *acls, const char *racls,
-                                    const char *initacls, const char *initracls,
+                                    const char *acls, const char *acldefault,
                                     const char *owner,
                                     int remoteVersion,
                                     PQExpBuffer sql);
+
+extern void quoteAclUserName(PQExpBuffer output, const char *input);
+
 extern void buildShSecLabelQuery(const char *catalog_name,
                                  Oid objectId, PQExpBuffer sql);
 extern void emitShSecLabels(PGconn *conn, PGresult *res,
                             PQExpBuffer buffer, const char *objtype, const char *objname);

-extern void buildACLQueries(PQExpBuffer acl_subquery, PQExpBuffer racl_subquery,
-                            PQExpBuffer init_acl_subquery, PQExpBuffer init_racl_subquery,
-                            const char *acl_column, const char *acl_owner,
-                            const char *initprivs_expr,
-                            const char *obj_kind, bool binary_upgrade);
-
 extern bool variable_is_guc_list_quote(const char *name);

 extern bool SplitGUCList(char *rawstring, char separator,
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index e5ea2c082d..607abb97d3 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -179,6 +179,7 @@ static NamespaceInfo *findNamespace(Oid nsoid);
 static void dumpTableData(Archive *fout, const TableDataInfo *tdinfo);
 static void refreshMatViewData(Archive *fout, const TableDataInfo *tdinfo);
 static void guessConstraintInheritance(TableInfo *tblinfo, int numTables);
+static void getAdditionalACLs(Archive *fout);
 static void dumpCommentExtended(Archive *fout, const char *type,
                                 const char *name, const char *namespace,
                                 const char *owner, CatalogId catalogId,
@@ -248,8 +249,7 @@ static void dumpDefaultACL(Archive *fout, const DefaultACLInfo *daclinfo);
 static DumpId dumpACL(Archive *fout, DumpId objDumpId, DumpId altDumpId,
                       const char *type, const char *name, const char *subname,
                       const char *nspname, const char *owner,
-                      const char *acls, const char *racls,
-                      const char *initacls, const char *initracls);
+                      const DumpableAcl *dacl);

 static void getDependencies(Archive *fout);
 static void BuildArchiveDependencies(Archive *fout);
@@ -888,8 +888,10 @@ main(int argc, char **argv)
     getDependencies(fout);

     /*
-     * Collect comments and security labels, if wanted.
+     * Collect ACLs, comments, and security labels, if wanted.
      */
+    if (!dopt.aclsSkip)
+        getAdditionalACLs(fout);
     if (!dopt.no_comments)
         collectComments(fout);
     if (!dopt.no_security_labels)
@@ -2822,19 +2824,18 @@ dumpDatabase(Archive *fout)
                 i_frozenxid,
                 i_minmxid,
                 i_datacl,
-                i_rdatacl,
+                i_acldefault,
                 i_datistemplate,
                 i_datconnlimit,
                 i_tablespace;
     CatalogId    dbCatId;
     DumpId        dbDumpId;
+    DumpableAcl dbdacl;
     const char *datname,
                *dba,
                *encoding,
                *collate,
                *ctype,
-               *datacl,
-               *rdatacl,
                *datistemplate,
                *datconnlimit,
                *tablespace;
@@ -2846,40 +2847,14 @@ dumpDatabase(Archive *fout)

     /*
      * Fetch the database-level properties for this database.
-     *
-     * The order in which privileges are in the ACL string (the order they
-     * have been GRANT'd in, which the backend maintains) must be preserved to
-     * ensure that GRANTs WITH GRANT OPTION and subsequent GRANTs based on
-     * those are dumped in the correct order.  Note that initial privileges
-     * (pg_init_privs) are not supported on databases, so this logic cannot
-     * make use of buildACLQueries().
      */
-    if (fout->remoteVersion >= 90600)
+    if (fout->remoteVersion >= 90300)
     {
         appendPQExpBuffer(dbQry, "SELECT tableoid, oid, datname, "
                           "(%s datdba) AS dba, "
                           "pg_encoding_to_char(encoding) AS encoding, "
                           "datcollate, datctype, datfrozenxid, datminmxid, "
-                          "(SELECT array_agg(acl ORDER BY row_n) FROM "
-                          "  (SELECT acl, row_n FROM "
-                          "     unnest(coalesce(datacl,acldefault('d',datdba))) "
-                          "     WITH ORDINALITY AS perm(acl,row_n) "
-                          "   WHERE NOT EXISTS ( "
-                          "     SELECT 1 "
-                          "     FROM unnest(acldefault('d',datdba)) "
-                          "       AS init(init_acl) "
-                          "     WHERE acl = init_acl)) AS datacls) "
-                          " AS datacl, "
-                          "(SELECT array_agg(acl ORDER BY row_n) FROM "
-                          "  (SELECT acl, row_n FROM "
-                          "     unnest(acldefault('d',datdba)) "
-                          "     WITH ORDINALITY AS initp(acl,row_n) "
-                          "   WHERE NOT EXISTS ( "
-                          "     SELECT 1 "
-                          "     FROM unnest(coalesce(datacl,acldefault('d',datdba))) "
-                          "       AS permp(orig_acl) "
-                          "     WHERE acl = orig_acl)) AS rdatacls) "
-                          " AS rdatacl, "
+                          "datacl, acldefault('d', datdba) AS acldefault, "
                           "datistemplate, datconnlimit, "
                           "(SELECT spcname FROM pg_tablespace t WHERE t.oid = dattablespace) AS tablespace, "
                           "shobj_description(oid, 'pg_database') AS description "
@@ -2888,13 +2863,14 @@ dumpDatabase(Archive *fout)
                           "WHERE datname = current_database()",
                           username_subquery);
     }
-    else if (fout->remoteVersion >= 90300)
+    else if (fout->remoteVersion >= 90200)
     {
         appendPQExpBuffer(dbQry, "SELECT tableoid, oid, datname, "
                           "(%s datdba) AS dba, "
                           "pg_encoding_to_char(encoding) AS encoding, "
-                          "datcollate, datctype, datfrozenxid, datminmxid, "
-                          "datacl, '' as rdatacl, datistemplate, datconnlimit, "
+                          "datcollate, datctype, datfrozenxid, 0 AS datminmxid, "
+                          "datacl, acldefault('d', datdba) AS acldefault, "
+                          "datistemplate, datconnlimit, "
                           "(SELECT spcname FROM pg_tablespace t WHERE t.oid = dattablespace) AS tablespace, "
                           "shobj_description(oid, 'pg_database') AS description "

@@ -2908,7 +2884,8 @@ dumpDatabase(Archive *fout)
                           "(%s datdba) AS dba, "
                           "pg_encoding_to_char(encoding) AS encoding, "
                           "datcollate, datctype, datfrozenxid, 0 AS datminmxid, "
-                          "datacl, '' as rdatacl, datistemplate, datconnlimit, "
+                          "datacl, NULL AS acldefault, "
+                          "datistemplate, datconnlimit, "
                           "(SELECT spcname FROM pg_tablespace t WHERE t.oid = dattablespace) AS tablespace, "
                           "shobj_description(oid, 'pg_database') AS description "

@@ -2922,7 +2899,8 @@ dumpDatabase(Archive *fout)
                           "(%s datdba) AS dba, "
                           "pg_encoding_to_char(encoding) AS encoding, "
                           "NULL AS datcollate, NULL AS datctype, datfrozenxid, 0 AS datminmxid, "
-                          "datacl, '' as rdatacl, datistemplate, datconnlimit, "
+                          "datacl, NULL AS acldefault, "
+                          "datistemplate, datconnlimit, "
                           "(SELECT spcname FROM pg_tablespace t WHERE t.oid = dattablespace) AS tablespace, "
                           "shobj_description(oid, 'pg_database') AS description "

@@ -2936,8 +2914,8 @@ dumpDatabase(Archive *fout)
                           "(%s datdba) AS dba, "
                           "pg_encoding_to_char(encoding) AS encoding, "
                           "NULL AS datcollate, NULL AS datctype, datfrozenxid, 0 AS datminmxid, "
-                          "datacl, '' as rdatacl, datistemplate, "
-                          "-1 as datconnlimit, "
+                          "datacl, NULL AS acldefault, "
+                          "datistemplate, -1 AS datconnlimit, "
                           "(SELECT spcname FROM pg_tablespace t WHERE t.oid = dattablespace) AS tablespace "
                           "FROM pg_database "
                           "WHERE datname = current_database()",
@@ -2956,7 +2934,7 @@ dumpDatabase(Archive *fout)
     i_frozenxid = PQfnumber(res, "datfrozenxid");
     i_minmxid = PQfnumber(res, "datminmxid");
     i_datacl = PQfnumber(res, "datacl");
-    i_rdatacl = PQfnumber(res, "rdatacl");
+    i_acldefault = PQfnumber(res, "acldefault");
     i_datistemplate = PQfnumber(res, "datistemplate");
     i_datconnlimit = PQfnumber(res, "datconnlimit");
     i_tablespace = PQfnumber(res, "tablespace");
@@ -2970,8 +2948,8 @@ dumpDatabase(Archive *fout)
     ctype = PQgetvalue(res, 0, i_ctype);
     frozenxid = atooid(PQgetvalue(res, 0, i_frozenxid));
     minmxid = atooid(PQgetvalue(res, 0, i_minmxid));
-    datacl = PQgetvalue(res, 0, i_datacl);
-    rdatacl = PQgetvalue(res, 0, i_rdatacl);
+    dbdacl.acl = PQgetvalue(res, 0, i_datacl);
+    dbdacl.acldefault = PQgetvalue(res, 0, i_acldefault);
     datistemplate = PQgetvalue(res, 0, i_datistemplate);
     datconnlimit = PQgetvalue(res, 0, i_datconnlimit);
     tablespace = PQgetvalue(res, 0, i_tablespace);
@@ -3109,9 +3087,12 @@ dumpDatabase(Archive *fout)
      * Dump ACL if any.  Note that we do not support initial privileges
      * (pg_init_privs) on databases.
      */
+    dbdacl.privtype = 0;
+    dbdacl.initprivs = NULL;
+
     dumpACL(fout, dbDumpId, InvalidDumpId, "DATABASE",
             qdatname, NULL, NULL,
-            dba, datacl, rdatacl, "", "");
+            dba, &dbdacl);

     /*
      * Now construct a DATABASE PROPERTIES archive entry to restore any
@@ -3433,59 +3414,30 @@ getBlobs(Archive *fout)
     int            i_oid;
     int            i_lomowner;
     int            i_lomacl;
-    int            i_rlomacl;
-    int            i_initlomacl;
-    int            i_initrlomacl;
+    int            i_acldefault;

     pg_log_info("reading large objects");

     /* Fetch BLOB OIDs, and owner/ACL data if >= 9.0 */
-    if (fout->remoteVersion >= 90600)
+    if (fout->remoteVersion >= 90200)
     {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer init_acl_subquery = createPQExpBuffer();
-        PQExpBuffer init_racl_subquery = createPQExpBuffer();
-
-        buildACLQueries(acl_subquery, racl_subquery, init_acl_subquery,
-                        init_racl_subquery, "l.lomacl", "l.lomowner",
-                        "pip.initprivs", "'L'", dopt->binary_upgrade);
-
         appendPQExpBuffer(blobQry,
-                          "SELECT l.oid, (%s l.lomowner) AS rolname, "
-                          "%s AS lomacl, "
-                          "%s AS rlomacl, "
-                          "%s AS initlomacl, "
-                          "%s AS initrlomacl "
-                          "FROM pg_largeobject_metadata l "
-                          "LEFT JOIN pg_init_privs pip ON "
-                          "(l.oid = pip.objoid "
-                          "AND pip.classoid = 'pg_largeobject'::regclass "
-                          "AND pip.objsubid = 0) ",
-                          username_subquery,
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          init_acl_subquery->data,
-                          init_racl_subquery->data);
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(init_acl_subquery);
-        destroyPQExpBuffer(init_racl_subquery);
+                          "SELECT oid, (%s lomowner) AS rolname, lomacl, "
+                          "acldefault('L', lomowner) AS acldefault "
+                          "FROM pg_largeobject_metadata",
+                          username_subquery);
     }
     else if (fout->remoteVersion >= 90000)
         appendPQExpBuffer(blobQry,
                           "SELECT oid, (%s lomowner) AS rolname, lomacl, "
-                          "NULL AS rlomacl, NULL AS initlomacl, "
-                          "NULL AS initrlomacl "
-                          " FROM pg_largeobject_metadata",
+                          "NULL AS acldefault "
+                          "FROM pg_largeobject_metadata",
                           username_subquery);
     else
         appendPQExpBufferStr(blobQry,
                              "SELECT DISTINCT loid AS oid, "
                              "NULL::name AS rolname, NULL::oid AS lomacl, "
-                             "NULL::oid AS rlomacl, NULL::oid AS initlomacl, "
-                             "NULL::oid AS initrlomacl "
+                             "NULL::oid AS acldefault "
                              " FROM pg_largeobject");

     res = ExecuteSqlQuery(fout, blobQry->data, PGRES_TUPLES_OK);
@@ -3493,9 +3445,7 @@ getBlobs(Archive *fout)
     i_oid = PQfnumber(res, "oid");
     i_lomowner = PQfnumber(res, "rolname");
     i_lomacl = PQfnumber(res, "lomacl");
-    i_rlomacl = PQfnumber(res, "rlomacl");
-    i_initlomacl = PQfnumber(res, "initlomacl");
-    i_initrlomacl = PQfnumber(res, "initrlomacl");
+    i_acldefault = PQfnumber(res, "acldefault");

     ntups = PQntuples(res);

@@ -3512,20 +3462,17 @@ getBlobs(Archive *fout)
         AssignDumpId(&binfo[i].dobj);

         binfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_oid));
+        binfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_lomacl));
+        binfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        binfo[i].dacl.privtype = 0;
+        binfo[i].dacl.initprivs = NULL;
         binfo[i].rolname = pg_strdup(PQgetvalue(res, i, i_lomowner));
-        binfo[i].blobacl = pg_strdup(PQgetvalue(res, i, i_lomacl));
-        binfo[i].rblobacl = pg_strdup(PQgetvalue(res, i, i_rlomacl));
-        binfo[i].initblobacl = pg_strdup(PQgetvalue(res, i, i_initlomacl));
-        binfo[i].initrblobacl = pg_strdup(PQgetvalue(res, i, i_initrlomacl));

         /* Blobs have data */
         binfo[i].dobj.components |= DUMP_COMPONENT_DATA;

         /* Mark whether blob has an ACL */
-        if (!(PQgetisnull(res, i, i_lomacl) &&
-              PQgetisnull(res, i, i_rlomacl) &&
-              PQgetisnull(res, i, i_initlomacl) &&
-              PQgetisnull(res, i, i_initrlomacl)))
+        if (!PQgetisnull(res, i, i_lomacl))
             binfo[i].dobj.components |= DUMP_COMPONENT_ACL;

         /*
@@ -3601,8 +3548,7 @@ dumpBlob(Archive *fout, const BlobInfo *binfo)
     if (binfo->dobj.dump & DUMP_COMPONENT_ACL)
         dumpACL(fout, binfo->dobj.dumpId, InvalidDumpId, "LARGE OBJECT",
                 binfo->dobj.name, NULL,
-                NULL, binfo->rolname, binfo->blobacl, binfo->rblobacl,
-                binfo->initblobacl, binfo->initrblobacl);
+                NULL, binfo->rolname, &binfo->dacl);

     destroyPQExpBuffer(cquery);
     destroyPQExpBuffer(dquery);
@@ -4837,7 +4783,6 @@ binary_upgrade_extension_member(PQExpBuffer upgrade_buffer,
 NamespaceInfo *
 getNamespaces(Archive *fout, int *numNamespaces)
 {
-    DumpOptions *dopt = fout->dopt;
     PGresult   *res;
     int            ntups;
     int            i;
@@ -4849,9 +4794,7 @@ getNamespaces(Archive *fout, int *numNamespaces)
     int            i_nspowner;
     int            i_rolname;
     int            i_nspacl;
-    int            i_rnspacl;
-    int            i_initnspacl;
-    int            i_initrnspacl;
+    int            i_acldefault;

     query = createPQExpBuffer();

@@ -4859,67 +4802,18 @@ getNamespaces(Archive *fout, int *numNamespaces)
      * we fetch all namespaces including system ones, so that every object we
      * read in can be linked to a containing namespace.
      */
-    if (fout->remoteVersion >= 90600)
-    {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer init_acl_subquery = createPQExpBuffer();
-        PQExpBuffer init_racl_subquery = createPQExpBuffer();
-
-        /*
-         * Bypass pg_init_privs.initprivs for the public schema, for several
-         * reasons.  First, dropping and recreating the schema detaches it
-         * from its pg_init_privs row, but an empty destination database
-         * starts with this ACL nonetheless.  Second, we support dump/reload
-         * of public schema ownership changes.  ALTER SCHEMA OWNER filters
-         * nspacl through aclnewowner(), but initprivs continues to reflect
-         * the initial owner.  Hence, synthesize the value that nspacl will
-         * have after the restore's ALTER SCHEMA OWNER.  Third, this makes the
-         * destination database match the source's ACL, even if the latter was
-         * an initdb-default ACL, which changed in v15.  An upgrade pulls in
-         * changes to most system object ACLs that the DBA had not customized.
-         * We've made the public schema depart from that, because changing its
-         * ACL so easily breaks applications.
-         */
-        buildACLQueries(acl_subquery, racl_subquery, init_acl_subquery,
-                        init_racl_subquery, "n.nspacl", "n.nspowner",
-                        "CASE WHEN n.nspname = 'public' THEN array["
-                        "  format('%s=UC/%s', "
-                        "         n.nspowner::regrole, n.nspowner::regrole),"
-                        "  format('=U/%s', n.nspowner::regrole)]::aclitem[] "
-                        "ELSE pip.initprivs END",
-                        "'n'", dopt->binary_upgrade);
-
+    if (fout->remoteVersion >= 90200)
         appendPQExpBuffer(query, "SELECT n.tableoid, n.oid, n.nspname, "
                           "n.nspowner, "
                           "(%s nspowner) AS rolname, "
-                          "%s as nspacl, "
-                          "%s as rnspacl, "
-                          "%s as initnspacl, "
-                          "%s as initrnspacl "
-                          "FROM pg_namespace n "
-                          "LEFT JOIN pg_init_privs pip "
-                          "ON (n.oid = pip.objoid "
-                          "AND pip.classoid = 'pg_namespace'::regclass "
-                          "AND pip.objsubid = 0",
-                          username_subquery,
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          init_acl_subquery->data,
-                          init_racl_subquery->data);
-
-        appendPQExpBufferStr(query, ") ");
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(init_acl_subquery);
-        destroyPQExpBuffer(init_racl_subquery);
-    }
+                          "n.nspacl, "
+                          "acldefault('n', n.nspowner) AS acldefault "
+                          "FROM pg_namespace n",
+                          username_subquery);
     else
         appendPQExpBuffer(query, "SELECT tableoid, oid, nspname, nspowner, "
                           "(%s nspowner) AS rolname, "
-                          "nspacl, NULL as rnspacl, "
-                          "NULL AS initnspacl, NULL as initrnspacl "
+                          "nspacl, NULL AS acldefault "
                           "FROM pg_namespace",
                           username_subquery);

@@ -4935,9 +4829,7 @@ getNamespaces(Archive *fout, int *numNamespaces)
     i_nspowner = PQfnumber(res, "nspowner");
     i_rolname = PQfnumber(res, "rolname");
     i_nspacl = PQfnumber(res, "nspacl");
-    i_rnspacl = PQfnumber(res, "rnspacl");
-    i_initnspacl = PQfnumber(res, "initnspacl");
-    i_initrnspacl = PQfnumber(res, "initrnspacl");
+    i_acldefault = PQfnumber(res, "acldefault");

     for (i = 0; i < ntups; i++)
     {
@@ -4946,23 +4838,61 @@ getNamespaces(Archive *fout, int *numNamespaces)
         nsinfo[i].dobj.catId.oid = atooid(PQgetvalue(res, i, i_oid));
         AssignDumpId(&nsinfo[i].dobj);
         nsinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_nspname));
+        nsinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_nspacl));
+        nsinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        nsinfo[i].dacl.privtype = 0;
+        nsinfo[i].dacl.initprivs = NULL;
         nsinfo[i].nspowner = atooid(PQgetvalue(res, i, i_nspowner));
         nsinfo[i].rolname = pg_strdup(PQgetvalue(res, i, i_rolname));
-        nsinfo[i].nspacl = pg_strdup(PQgetvalue(res, i, i_nspacl));
-        nsinfo[i].rnspacl = pg_strdup(PQgetvalue(res, i, i_rnspacl));
-        nsinfo[i].initnspacl = pg_strdup(PQgetvalue(res, i, i_initnspacl));
-        nsinfo[i].initrnspacl = pg_strdup(PQgetvalue(res, i, i_initrnspacl));

         /* Decide whether to dump this namespace */
         selectDumpableNamespace(&nsinfo[i], fout);

         /* Mark whether namespace has an ACL */
-        if (!(PQgetisnull(res, i, i_nspacl) &&
-              PQgetisnull(res, i, i_rnspacl) &&
-              PQgetisnull(res, i, i_initnspacl) &&
-              PQgetisnull(res, i, i_initrnspacl)))
+        if (!PQgetisnull(res, i, i_nspacl))
+            nsinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
+
+        /*
+         * We ignore any pg_init_privs.initprivs entry for the public schema
+         * and assume a predetermined default, for several reasons.  First,
+         * dropping and recreating the schema removes its pg_init_privs entry,
+         * but an empty destination database starts with this ACL nonetheless.
+         * Second, we support dump/reload of public schema ownership changes.
+         * ALTER SCHEMA OWNER filters nspacl through aclnewowner(), but
+         * initprivs continues to reflect the initial owner.  Hence,
+         * synthesize the value that nspacl will have after the restore's
+         * ALTER SCHEMA OWNER.  Third, this makes the destination database
+         * match the source's ACL, even if the latter was an initdb-default
+         * ACL, which changed in v15.  An upgrade pulls in changes to most
+         * system object ACLs that the DBA had not customized.  We've made the
+         * public schema depart from that, because changing its ACL so easily
+         * breaks applications.
+         */
+        if (strcmp(nsinfo[i].dobj.name, "public") == 0)
+        {
+            PQExpBuffer aclarray = createPQExpBuffer();
+            PQExpBuffer aclitem = createPQExpBuffer();
+
+            /* Standard ACL as of v15 is {owner=UC/owner,=U/owner} */
+            appendPQExpBufferChar(aclarray, '{');
+            quoteAclUserName(aclitem, nsinfo[i].rolname);
+            appendPQExpBufferStr(aclitem, "=UC/");
+            quoteAclUserName(aclitem, nsinfo[i].rolname);
+            appendPGArray(aclarray, aclitem->data);
+            resetPQExpBuffer(aclitem);
+            appendPQExpBufferStr(aclitem, "=U/");
+            quoteAclUserName(aclitem, nsinfo[i].rolname);
+            appendPGArray(aclarray, aclitem->data);
+            appendPQExpBufferChar(aclarray, '}');
+
+            nsinfo[i].dacl.privtype = 'i';
+            nsinfo[i].dacl.initprivs = pstrdup(aclarray->data);
             nsinfo[i].dobj.components |= DUMP_COMPONENT_ACL;

+            destroyPQExpBuffer(aclarray);
+            destroyPQExpBuffer(aclitem);
+        }
+
         if (strlen(nsinfo[i].rolname) == 0)
             pg_log_warning("owner of schema \"%s\" appears to be invalid",
                            nsinfo[i].dobj.name);
@@ -5085,7 +5015,6 @@ getExtensions(Archive *fout, int *numExtensions)
 TypeInfo *
 getTypes(Archive *fout, int *numTypes)
 {
-    DumpOptions *dopt = fout->dopt;
     PGresult   *res;
     int            ntups;
     int            i;
@@ -5097,9 +5026,7 @@ getTypes(Archive *fout, int *numTypes)
     int            i_typname;
     int            i_typnamespace;
     int            i_typacl;
-    int            i_rtypacl;
-    int            i_inittypacl;
-    int            i_initrtypacl;
+    int            i_acldefault;
     int            i_rolname;
     int            i_typelem;
     int            i_typrelid;
@@ -5123,52 +5050,11 @@ getTypes(Archive *fout, int *numTypes)
      * cost of the subselect probe for all standard types.  This would have to
      * be revisited if the backend ever allows renaming of array types.
      */
-
-    if (fout->remoteVersion >= 90600)
-    {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer initacl_subquery = createPQExpBuffer();
-        PQExpBuffer initracl_subquery = createPQExpBuffer();
-
-        buildACLQueries(acl_subquery, racl_subquery, initacl_subquery,
-                        initracl_subquery, "t.typacl", "t.typowner",
-                        "pip.initprivs", "'T'", dopt->binary_upgrade);
-
-        appendPQExpBuffer(query, "SELECT t.tableoid, t.oid, t.typname, "
-                          "t.typnamespace, "
-                          "%s AS typacl, "
-                          "%s AS rtypacl, "
-                          "%s AS inittypacl, "
-                          "%s AS initrtypacl, "
-                          "(%s t.typowner) AS rolname, "
-                          "t.typelem, t.typrelid, "
-                          "CASE WHEN t.typrelid = 0 THEN ' '::\"char\" "
-                          "ELSE (SELECT relkind FROM pg_class WHERE oid = t.typrelid) END AS typrelkind, "
-                          "t.typtype, t.typisdefined, "
-                          "t.typname[0] = '_' AND t.typelem != 0 AND "
-                          "(SELECT typarray FROM pg_type te WHERE oid = t.typelem) = t.oid AS isarray "
-                          "FROM pg_type t "
-                          "LEFT JOIN pg_init_privs pip ON "
-                          "(t.oid = pip.objoid "
-                          "AND pip.classoid = 'pg_type'::regclass "
-                          "AND pip.objsubid = 0) ",
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          initacl_subquery->data,
-                          initracl_subquery->data,
-                          username_subquery);
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(initacl_subquery);
-        destroyPQExpBuffer(initracl_subquery);
-    }
-    else if (fout->remoteVersion >= 90200)
+    if (fout->remoteVersion >= 90200)
     {
         appendPQExpBuffer(query, "SELECT tableoid, oid, typname, "
-                          "typnamespace, typacl, NULL as rtypacl, "
-                          "NULL AS inittypacl, NULL AS initrtypacl, "
+                          "typnamespace, typacl, "
+                          "acldefault('T', typowner) AS acldefault, "
                           "(%s typowner) AS rolname, "
                           "typelem, typrelid, "
                           "CASE WHEN typrelid = 0 THEN ' '::\"char\" "
@@ -5182,8 +5068,7 @@ getTypes(Archive *fout, int *numTypes)
     else if (fout->remoteVersion >= 80300)
     {
         appendPQExpBuffer(query, "SELECT tableoid, oid, typname, "
-                          "typnamespace, NULL AS typacl, NULL as rtypacl, "
-                          "NULL AS inittypacl, NULL AS initrtypacl, "
+                          "typnamespace, NULL AS typacl, NULL AS acldefault, "
                           "(%s typowner) AS rolname, "
                           "typelem, typrelid, "
                           "CASE WHEN typrelid = 0 THEN ' '::\"char\" "
@@ -5197,8 +5082,7 @@ getTypes(Archive *fout, int *numTypes)
     else
     {
         appendPQExpBuffer(query, "SELECT tableoid, oid, typname, "
-                          "typnamespace, NULL AS typacl, NULL as rtypacl, "
-                          "NULL AS inittypacl, NULL AS initrtypacl, "
+                          "typnamespace, NULL AS typacl, NULL AS acldefault, "
                           "(%s typowner) AS rolname, "
                           "typelem, typrelid, "
                           "CASE WHEN typrelid = 0 THEN ' '::\"char\" "
@@ -5220,9 +5104,7 @@ getTypes(Archive *fout, int *numTypes)
     i_typname = PQfnumber(res, "typname");
     i_typnamespace = PQfnumber(res, "typnamespace");
     i_typacl = PQfnumber(res, "typacl");
-    i_rtypacl = PQfnumber(res, "rtypacl");
-    i_inittypacl = PQfnumber(res, "inittypacl");
-    i_initrtypacl = PQfnumber(res, "initrtypacl");
+    i_acldefault = PQfnumber(res, "acldefault");
     i_rolname = PQfnumber(res, "rolname");
     i_typelem = PQfnumber(res, "typelem");
     i_typrelid = PQfnumber(res, "typrelid");
@@ -5240,12 +5122,12 @@ getTypes(Archive *fout, int *numTypes)
         tyinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_typname));
         tyinfo[i].dobj.namespace =
             findNamespace(atooid(PQgetvalue(res, i, i_typnamespace)));
+        tyinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_typacl));
+        tyinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        tyinfo[i].dacl.privtype = 0;
+        tyinfo[i].dacl.initprivs = NULL;
         tyinfo[i].ftypname = NULL;    /* may get filled later */
         tyinfo[i].rolname = pg_strdup(PQgetvalue(res, i, i_rolname));
-        tyinfo[i].typacl = pg_strdup(PQgetvalue(res, i, i_typacl));
-        tyinfo[i].rtypacl = pg_strdup(PQgetvalue(res, i, i_rtypacl));
-        tyinfo[i].inittypacl = pg_strdup(PQgetvalue(res, i, i_inittypacl));
-        tyinfo[i].initrtypacl = pg_strdup(PQgetvalue(res, i, i_initrtypacl));
         tyinfo[i].typelem = atooid(PQgetvalue(res, i, i_typelem));
         tyinfo[i].typrelid = atooid(PQgetvalue(res, i, i_typrelid));
         tyinfo[i].typrelkind = *PQgetvalue(res, i, i_typrelkind);
@@ -5271,10 +5153,7 @@ getTypes(Archive *fout, int *numTypes)
         selectDumpableType(&tyinfo[i], fout);

         /* Mark whether type has an ACL */
-        if (!(PQgetisnull(res, i, i_typacl) &&
-              PQgetisnull(res, i, i_rtypacl) &&
-              PQgetisnull(res, i, i_inittypacl) &&
-              PQgetisnull(res, i, i_initrtypacl)))
+        if (!PQgetisnull(res, i, i_typacl))
             tyinfo[i].dobj.components |= DUMP_COMPONENT_ACL;

         /*
@@ -5801,9 +5680,7 @@ getAggregates(Archive *fout, int *numAggs)
     int            i_proargtypes;
     int            i_rolname;
     int            i_aggacl;
-    int            i_raggacl;
-    int            i_initaggacl;
-    int            i_initraggacl;
+    int            i_acldefault;

     /*
      * Find all interesting aggregates.  See comment in getFuncs() for the
@@ -5811,16 +5688,8 @@ getAggregates(Archive *fout, int *numAggs)
      */
     if (fout->remoteVersion >= 90600)
     {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer initacl_subquery = createPQExpBuffer();
-        PQExpBuffer initracl_subquery = createPQExpBuffer();
         const char *agg_check;

-        buildACLQueries(acl_subquery, racl_subquery, initacl_subquery,
-                        initracl_subquery, "p.proacl", "p.proowner",
-                        "pip.initprivs", "'f'", dopt->binary_upgrade);
-
         agg_check = (fout->remoteVersion >= 110000 ? "p.prokind = 'a'"
                      : "p.proisagg");

@@ -5829,10 +5698,8 @@ getAggregates(Archive *fout, int *numAggs)
                           "p.pronamespace AS aggnamespace, "
                           "p.pronargs, p.proargtypes, "
                           "(%s p.proowner) AS rolname, "
-                          "%s AS aggacl, "
-                          "%s AS raggacl, "
-                          "%s AS initaggacl, "
-                          "%s AS initraggacl "
+                          "p.proacl AS aggacl, "
+                          "acldefault('f', p.proowner) AS acldefault "
                           "FROM pg_proc p "
                           "LEFT JOIN pg_init_privs pip ON "
                           "(p.oid = pip.objoid "
@@ -5844,10 +5711,6 @@ getAggregates(Archive *fout, int *numAggs)
                           "WHERE nspname = 'pg_catalog') OR "
                           "p.proacl IS DISTINCT FROM pip.initprivs",
                           username_subquery,
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          initacl_subquery->data,
-                          initracl_subquery->data,
                           agg_check);
         if (dopt->binary_upgrade)
             appendPQExpBufferStr(query,
@@ -5857,11 +5720,29 @@ getAggregates(Archive *fout, int *numAggs)
                                  "refclassid = 'pg_extension'::regclass AND "
                                  "deptype = 'e')");
         appendPQExpBufferChar(query, ')');
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(initacl_subquery);
-        destroyPQExpBuffer(initracl_subquery);
+    }
+    else if (fout->remoteVersion >= 90200)
+    {
+        appendPQExpBuffer(query, "SELECT tableoid, oid, proname AS aggname, "
+                          "pronamespace AS aggnamespace, "
+                          "pronargs, proargtypes, "
+                          "(%s proowner) AS rolname, "
+                          "proacl AS aggacl, "
+                          "acldefault('f', proowner) AS acldefault "
+                          "FROM pg_proc p "
+                          "WHERE proisagg AND ("
+                          "pronamespace != "
+                          "(SELECT oid FROM pg_namespace "
+                          "WHERE nspname = 'pg_catalog')",
+                          username_subquery);
+        if (dopt->binary_upgrade)
+            appendPQExpBufferStr(query,
+                                 " OR EXISTS(SELECT 1 FROM pg_depend WHERE "
+                                 "classid = 'pg_proc'::regclass AND "
+                                 "objid = p.oid AND "
+                                 "refclassid = 'pg_extension'::regclass AND "
+                                 "deptype = 'e')");
+        appendPQExpBufferChar(query, ')');
     }
     else if (fout->remoteVersion >= 80200)
     {
@@ -5870,8 +5751,7 @@ getAggregates(Archive *fout, int *numAggs)
                           "pronargs, proargtypes, "
                           "(%s proowner) AS rolname, "
                           "proacl AS aggacl, "
-                          "NULL AS raggacl, "
-                          "NULL AS initaggacl, NULL AS initraggacl "
+                          "NULL AS acldefault "
                           "FROM pg_proc p "
                           "WHERE proisagg AND ("
                           "pronamespace != "
@@ -5895,8 +5775,7 @@ getAggregates(Archive *fout, int *numAggs)
                           "proargtypes, "
                           "(%s proowner) AS rolname, "
                           "proacl AS aggacl, "
-                          "NULL AS raggacl, "
-                          "NULL AS initaggacl, NULL AS initraggacl "
+                          "NULL AS acldefault "
                           "FROM pg_proc "
                           "WHERE proisagg "
                           "AND pronamespace != "
@@ -5919,9 +5798,7 @@ getAggregates(Archive *fout, int *numAggs)
     i_proargtypes = PQfnumber(res, "proargtypes");
     i_rolname = PQfnumber(res, "rolname");
     i_aggacl = PQfnumber(res, "aggacl");
-    i_raggacl = PQfnumber(res, "raggacl");
-    i_initaggacl = PQfnumber(res, "initaggacl");
-    i_initraggacl = PQfnumber(res, "initraggacl");
+    i_acldefault = PQfnumber(res, "acldefault");

     for (i = 0; i < ntups; i++)
     {
@@ -5932,16 +5809,16 @@ getAggregates(Archive *fout, int *numAggs)
         agginfo[i].aggfn.dobj.name = pg_strdup(PQgetvalue(res, i, i_aggname));
         agginfo[i].aggfn.dobj.namespace =
             findNamespace(atooid(PQgetvalue(res, i, i_aggnamespace)));
+        agginfo[i].aggfn.dacl.acl = pg_strdup(PQgetvalue(res, i, i_aggacl));
+        agginfo[i].aggfn.dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        agginfo[i].aggfn.dacl.privtype = 0;
+        agginfo[i].aggfn.dacl.initprivs = NULL;
         agginfo[i].aggfn.rolname = pg_strdup(PQgetvalue(res, i, i_rolname));
         if (strlen(agginfo[i].aggfn.rolname) == 0)
             pg_log_warning("owner of aggregate function \"%s\" appears to be invalid",
                            agginfo[i].aggfn.dobj.name);
         agginfo[i].aggfn.lang = InvalidOid; /* not currently interesting */
         agginfo[i].aggfn.prorettype = InvalidOid;    /* not saved */
-        agginfo[i].aggfn.proacl = pg_strdup(PQgetvalue(res, i, i_aggacl));
-        agginfo[i].aggfn.rproacl = pg_strdup(PQgetvalue(res, i, i_raggacl));
-        agginfo[i].aggfn.initproacl = pg_strdup(PQgetvalue(res, i, i_initaggacl));
-        agginfo[i].aggfn.initrproacl = pg_strdup(PQgetvalue(res, i, i_initraggacl));
         agginfo[i].aggfn.nargs = atoi(PQgetvalue(res, i, i_pronargs));
         if (agginfo[i].aggfn.nargs == 0)
             agginfo[i].aggfn.argtypes = NULL;
@@ -5957,10 +5834,7 @@ getAggregates(Archive *fout, int *numAggs)
         selectDumpableObject(&(agginfo[i].aggfn.dobj), fout);

         /* Mark whether aggregate has an ACL */
-        if (!(PQgetisnull(res, i, i_aggacl) &&
-              PQgetisnull(res, i, i_raggacl) &&
-              PQgetisnull(res, i, i_initaggacl) &&
-              PQgetisnull(res, i, i_initraggacl)))
+        if (!PQgetisnull(res, i, i_aggacl))
             agginfo[i].aggfn.dobj.components |= DUMP_COMPONENT_ACL;
     }

@@ -5997,9 +5871,7 @@ getFuncs(Archive *fout, int *numFuncs)
     int            i_proargtypes;
     int            i_prorettype;
     int            i_proacl;
-    int            i_rproacl;
-    int            i_initproacl;
-    int            i_initrproacl;
+    int            i_acldefault;

     /*
      * Find all interesting functions.  This is a bit complicated:
@@ -6021,30 +5893,20 @@ getFuncs(Archive *fout, int *numFuncs)
      * to gather the information about them, though they won't be dumped if
      * they are built-in.  Also, in 9.6 and up, include functions in
      * pg_catalog if they have an ACL different from what's shown in
-     * pg_init_privs.
+     * pg_init_privs (so we have to join to pg_init_privs; annoying).
      */
     if (fout->remoteVersion >= 90600)
     {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer initacl_subquery = createPQExpBuffer();
-        PQExpBuffer initracl_subquery = createPQExpBuffer();
         const char *not_agg_check;

-        buildACLQueries(acl_subquery, racl_subquery, initacl_subquery,
-                        initracl_subquery, "p.proacl", "p.proowner",
-                        "pip.initprivs", "'f'", dopt->binary_upgrade);
-
         not_agg_check = (fout->remoteVersion >= 110000 ? "p.prokind <> 'a'"
                          : "NOT p.proisagg");

         appendPQExpBuffer(query,
                           "SELECT p.tableoid, p.oid, p.proname, p.prolang, "
                           "p.pronargs, p.proargtypes, p.prorettype, "
-                          "%s AS proacl, "
-                          "%s AS rproacl, "
-                          "%s AS initproacl, "
-                          "%s AS initrproacl, "
+                          "p.proacl, "
+                          "acldefault('f', p.proowner) AS acldefault, "
                           "p.pronamespace, "
                           "(%s p.proowner) AS rolname "
                           "FROM pg_proc p "
@@ -6067,10 +5929,6 @@ getFuncs(Archive *fout, int *numFuncs)
                           "\n  WHERE pg_transform.oid > %u AND "
                           "\n  (p.oid = pg_transform.trffromsql"
                           "\n  OR p.oid = pg_transform.trftosql))",
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          initacl_subquery->data,
-                          initracl_subquery->data,
                           username_subquery,
                           not_agg_check,
                           g_last_builtin_oid,
@@ -6085,23 +5943,23 @@ getFuncs(Archive *fout, int *numFuncs)
         appendPQExpBufferStr(query,
                              "\n  OR p.proacl IS DISTINCT FROM pip.initprivs");
         appendPQExpBufferChar(query, ')');
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(initacl_subquery);
-        destroyPQExpBuffer(initracl_subquery);
     }
     else
     {
+        const char *acldefault_call;
+
+        acldefault_call = (fout->remoteVersion >= 90200 ?
+                           "acldefault('f', proowner)" : "NULL");
+
         appendPQExpBuffer(query,
                           "SELECT tableoid, oid, proname, prolang, "
                           "pronargs, proargtypes, prorettype, proacl, "
-                          "NULL as rproacl, "
-                          "NULL as initproacl, NULL AS initrproacl, "
+                          "%s AS acldefault, "
                           "pronamespace, "
                           "(%s proowner) AS rolname "
                           "FROM pg_proc p "
                           "WHERE NOT proisagg",
+                          acldefault_call,
                           username_subquery);
         if (fout->remoteVersion >= 90200)
             appendPQExpBufferStr(query,
@@ -6154,9 +6012,7 @@ getFuncs(Archive *fout, int *numFuncs)
     i_proargtypes = PQfnumber(res, "proargtypes");
     i_prorettype = PQfnumber(res, "prorettype");
     i_proacl = PQfnumber(res, "proacl");
-    i_rproacl = PQfnumber(res, "rproacl");
-    i_initproacl = PQfnumber(res, "initproacl");
-    i_initrproacl = PQfnumber(res, "initrproacl");
+    i_acldefault = PQfnumber(res, "acldefault");

     for (i = 0; i < ntups; i++)
     {
@@ -6167,13 +6023,13 @@ getFuncs(Archive *fout, int *numFuncs)
         finfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_proname));
         finfo[i].dobj.namespace =
             findNamespace(atooid(PQgetvalue(res, i, i_pronamespace)));
+        finfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_proacl));
+        finfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        finfo[i].dacl.privtype = 0;
+        finfo[i].dacl.initprivs = NULL;
         finfo[i].rolname = pg_strdup(PQgetvalue(res, i, i_rolname));
         finfo[i].lang = atooid(PQgetvalue(res, i, i_prolang));
         finfo[i].prorettype = atooid(PQgetvalue(res, i, i_prorettype));
-        finfo[i].proacl = pg_strdup(PQgetvalue(res, i, i_proacl));
-        finfo[i].rproacl = pg_strdup(PQgetvalue(res, i, i_rproacl));
-        finfo[i].initproacl = pg_strdup(PQgetvalue(res, i, i_initproacl));
-        finfo[i].initrproacl = pg_strdup(PQgetvalue(res, i, i_initrproacl));
         finfo[i].nargs = atoi(PQgetvalue(res, i, i_pronargs));
         if (finfo[i].nargs == 0)
             finfo[i].argtypes = NULL;
@@ -6188,10 +6044,7 @@ getFuncs(Archive *fout, int *numFuncs)
         selectDumpableObject(&(finfo[i].dobj), fout);

         /* Mark whether function has an ACL */
-        if (!(PQgetisnull(res, i, i_proacl) &&
-              PQgetisnull(res, i, i_rproacl) &&
-              PQgetisnull(res, i, i_initproacl) &&
-              PQgetisnull(res, i, i_initrproacl)))
+        if (!PQgetisnull(res, i, i_proacl))
             finfo[i].dobj.components |= DUMP_COMPONENT_ACL;

         if (strlen(finfo[i].rolname) == 0)
@@ -6256,10 +6109,7 @@ getTables(Archive *fout, int *numTables)
     int            i_amname;
     int            i_is_identity_sequence;
     int            i_relacl;
-    int            i_rrelacl;
-    int            i_initrelacl;
-    int            i_initrrelacl;
-    int            i_changed_acl;
+    int            i_acldefault;
     int            i_partkeydef;
     int            i_ispartition;
     int            i_partbound;
@@ -6400,67 +6250,14 @@ getTables(Archive *fout, int *numTables)
         appendPQExpBufferStr(query,
                              "false AS is_identity_sequence, ");

-    if (fout->remoteVersion >= 90600)
-    {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer initacl_subquery = createPQExpBuffer();
-        PQExpBuffer initracl_subquery = createPQExpBuffer();
-        PQExpBuffer attacl_subquery = createPQExpBuffer();
-        PQExpBuffer attracl_subquery = createPQExpBuffer();
-        PQExpBuffer attinitacl_subquery = createPQExpBuffer();
-        PQExpBuffer attinitracl_subquery = createPQExpBuffer();
-
-        buildACLQueries(acl_subquery, racl_subquery, initacl_subquery,
-                        initracl_subquery, "c.relacl", "c.relowner",
-                        "pip.initprivs",
-                        "CASE WHEN c.relkind = " CppAsString2(RELKIND_SEQUENCE)
-                        " THEN 's' ELSE 'r' END::\"char\"",
-                        dopt->binary_upgrade);
-
-        buildACLQueries(attacl_subquery, attracl_subquery, attinitacl_subquery,
-                        attinitracl_subquery, "at.attacl", "c.relowner",
-                        "pip.initprivs", "'c'", dopt->binary_upgrade);
-
-        appendPQExpBuffer(query,
-                          "%s AS relacl, %s as rrelacl, "
-                          "%s AS initrelacl, %s as initrrelacl, ",
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          initacl_subquery->data,
-                          initracl_subquery->data);
-
-        appendPQExpBuffer(query,
-                          "EXISTS (SELECT 1 FROM pg_attribute at LEFT JOIN pg_init_privs pip ON "
-                          "(c.oid = pip.objoid "
-                          "AND pip.classoid = 'pg_class'::regclass "
-                          "AND pip.objsubid = at.attnum)"
-                          "WHERE at.attrelid = c.oid AND ("
-                          "%s IS NOT NULL "
-                          "OR %s IS NOT NULL "
-                          "OR %s IS NOT NULL "
-                          "OR %s IS NOT NULL"
-                          "))"
-                          "AS changed_acl, ",
-                          attacl_subquery->data,
-                          attracl_subquery->data,
-                          attinitacl_subquery->data,
-                          attinitracl_subquery->data);
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(initacl_subquery);
-        destroyPQExpBuffer(initracl_subquery);
-        destroyPQExpBuffer(attacl_subquery);
-        destroyPQExpBuffer(attracl_subquery);
-        destroyPQExpBuffer(attinitacl_subquery);
-        destroyPQExpBuffer(attinitracl_subquery);
-    }
+    if (fout->remoteVersion >= 90200)
+        appendPQExpBufferStr(query,
+                             "c.relacl, "
+                             "acldefault(CASE WHEN c.relkind = " CppAsString2(RELKIND_SEQUENCE)
+                             " THEN 's'::\"char\" ELSE 'r'::\"char\" END, c.relowner) AS acldefault, ");
     else
         appendPQExpBufferStr(query,
-                             "c.relacl, NULL as rrelacl, "
-                             "NULL AS initrelacl, NULL AS initrrelacl, "
-                             "false AS changed_acl, ");
+                             "c.relacl, NULL AS acldefault, ");

     if (fout->remoteVersion >= 100000)
         appendPQExpBufferStr(query,
@@ -6482,22 +6279,16 @@ getTables(Archive *fout, int *numTables)
                          "\nFROM pg_class c\n"
                          "LEFT JOIN pg_depend d ON "
                          "(c.relkind = " CppAsString2(RELKIND_SEQUENCE) " AND "
-                         "d.classid = c.tableoid AND d.objid = c.oid AND "
+                         "d.classid = 'pg_class'::regclass AND d.objid = c.oid AND "
                          "d.objsubid = 0 AND "
-                         "d.refclassid = c.tableoid AND d.deptype IN ('a', 'i'))\n"
+                         "d.refclassid = 'pg_class'::regclass AND d.deptype IN ('a', 'i'))\n"
                          "LEFT JOIN pg_tablespace tsp ON (tsp.oid = c.reltablespace)\n");

     /*
-     * In 9.6 and up, left join to pg_init_privs to detect if any privileges
-     * are still as-set-at-init, in which case we won't dump out ACL commands
-     * for those.  We also are interested in the amname as of 9.6.
+     * In 9.6 and up, left join to pg_am to pick up the amname.
      */
     if (fout->remoteVersion >= 90600)
         appendPQExpBufferStr(query,
-                             "LEFT JOIN pg_init_privs pip ON "
-                             "(c.oid = pip.objoid "
-                             "AND pip.classoid = 'pg_class'::regclass "
-                             "AND pip.objsubid = 0)\n"
                              "LEFT JOIN pg_am am ON (c.relam = am.oid)\n");

     /*
@@ -6509,7 +6300,9 @@ getTables(Archive *fout, int *numTables)
      */
     if (fout->remoteVersion >= 80200)
         appendPQExpBufferStr(query,
-                             "LEFT JOIN pg_class tc ON (c.reltoastrelid = tc.oid AND c.relkind <> "
CppAsString2(RELKIND_PARTITIONED_TABLE)")\n"); 
+                             "LEFT JOIN pg_class tc ON (c.reltoastrelid = tc.oid"
+                             " AND tc.relkind = " CppAsString2(RELKIND_TOASTVALUE)
+                             " AND c.relkind <> " CppAsString2(RELKIND_PARTITIONED_TABLE) ")\n");

     /*
      * Restrict to interesting relkinds (in particular, not indexes).  Not all
@@ -6583,10 +6376,7 @@ getTables(Archive *fout, int *numTables)
     i_amname = PQfnumber(res, "amname");
     i_is_identity_sequence = PQfnumber(res, "is_identity_sequence");
     i_relacl = PQfnumber(res, "relacl");
-    i_rrelacl = PQfnumber(res, "rrelacl");
-    i_initrelacl = PQfnumber(res, "initrelacl");
-    i_initrrelacl = PQfnumber(res, "initrrelacl");
-    i_changed_acl = PQfnumber(res, "changed_acl");
+    i_acldefault = PQfnumber(res, "acldefault");
     i_partkeydef = PQfnumber(res, "partkeydef");
     i_ispartition = PQfnumber(res, "ispartition");
     i_partbound = PQfnumber(res, "partbound");
@@ -6615,6 +6405,10 @@ getTables(Archive *fout, int *numTables)
         tblinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_relname));
         tblinfo[i].dobj.namespace =
             findNamespace(atooid(PQgetvalue(res, i, i_relnamespace)));
+        tblinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_relacl));
+        tblinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        tblinfo[i].dacl.privtype = 0;
+        tblinfo[i].dacl.initprivs = NULL;
         tblinfo[i].relkind = *(PQgetvalue(res, i, i_relkind));
         tblinfo[i].reltype = atooid(PQgetvalue(res, i, i_reltype));
         tblinfo[i].rolname = pg_strdup(PQgetvalue(res, i, i_rolname));
@@ -6661,10 +6455,6 @@ getTables(Archive *fout, int *numTables)
         else
             tblinfo[i].amname = pg_strdup(PQgetvalue(res, i, i_amname));
         tblinfo[i].is_identity_sequence = (strcmp(PQgetvalue(res, i, i_is_identity_sequence), "t") == 0);
-        tblinfo[i].relacl = pg_strdup(PQgetvalue(res, i, i_relacl));
-        tblinfo[i].rrelacl = pg_strdup(PQgetvalue(res, i, i_rrelacl));
-        tblinfo[i].initrelacl = pg_strdup(PQgetvalue(res, i, i_initrelacl));
-        tblinfo[i].initrrelacl = pg_strdup(PQgetvalue(res, i, i_initrrelacl));
         tblinfo[i].partkeydef = pg_strdup(PQgetvalue(res, i, i_partkeydef));
         tblinfo[i].ispartition = (strcmp(PQgetvalue(res, i, i_ispartition), "t") == 0);
         tblinfo[i].partbound = pg_strdup(PQgetvalue(res, i, i_partbound));
@@ -6700,23 +6490,10 @@ getTables(Archive *fout, int *numTables)
         /* Tables have data */
         tblinfo[i].dobj.components |= DUMP_COMPONENT_DATA;

-        /*
-         * Mark whether table has an ACL.
-         *
-         * If the table-level and all column-level ACLs for this table are
-         * unchanged, then we don't need to worry about including the ACLs for
-         * this table.  If any column-level ACLs have been changed, the
-         * 'changed_acl' column from the query will indicate that.
-         *
-         * This can result in a significant performance improvement in cases
-         * where we are only looking to dump out the ACL (eg: pg_catalog).
-         */
-        if (!(PQgetisnull(res, i, i_relacl) &&
-              PQgetisnull(res, i, i_rrelacl) &&
-              PQgetisnull(res, i, i_initrelacl) &&
-              PQgetisnull(res, i, i_initrrelacl) &&
-              strcmp(PQgetvalue(res, i, i_changed_acl), "f") == 0))
+        /* Mark whether table has an ACL */
+        if (!PQgetisnull(res, i, i_relacl))
             tblinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
+        tblinfo[i].hascolumnACLs = false;    /* may get set later */

         /*
          * Read-lock target tables to make sure they aren't DROPPED or altered
@@ -7999,7 +7776,6 @@ getEventTriggers(Archive *fout, int *numEventTriggers)
 ProcLangInfo *
 getProcLangs(Archive *fout, int *numProcLangs)
 {
-    DumpOptions *dopt = fout->dopt;
     PGresult   *res;
     int            ntups;
     int            i;
@@ -8013,56 +7789,30 @@ getProcLangs(Archive *fout, int *numProcLangs)
     int            i_laninline;
     int            i_lanvalidator;
     int            i_lanacl;
-    int            i_rlanacl;
-    int            i_initlanacl;
-    int            i_initrlanacl;
+    int            i_acldefault;
     int            i_lanowner;

-    if (fout->remoteVersion >= 90600)
+    if (fout->remoteVersion >= 90200)
     {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer initacl_subquery = createPQExpBuffer();
-        PQExpBuffer initracl_subquery = createPQExpBuffer();
-
-        buildACLQueries(acl_subquery, racl_subquery, initacl_subquery,
-                        initracl_subquery, "l.lanacl", "l.lanowner",
-                        "pip.initprivs", "'l'", dopt->binary_upgrade);
-
-        /* pg_language has a laninline column */
-        appendPQExpBuffer(query, "SELECT l.tableoid, l.oid, "
-                          "l.lanname, l.lanpltrusted, l.lanplcallfoid, "
-                          "l.laninline, l.lanvalidator, "
-                          "%s AS lanacl, "
-                          "%s AS rlanacl, "
-                          "%s AS initlanacl, "
-                          "%s AS initrlanacl, "
-                          "(%s l.lanowner) AS lanowner "
-                          "FROM pg_language l "
-                          "LEFT JOIN pg_init_privs pip ON "
-                          "(l.oid = pip.objoid "
-                          "AND pip.classoid = 'pg_language'::regclass "
-                          "AND pip.objsubid = 0) "
-                          "WHERE l.lanispl "
-                          "ORDER BY l.oid",
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          initacl_subquery->data,
-                          initracl_subquery->data,
+        /* acldefault() exists */
+        appendPQExpBuffer(query, "SELECT tableoid, oid, "
+                          "lanname, lanpltrusted, lanplcallfoid, "
+                          "laninline, lanvalidator, "
+                          "lanacl, "
+                          "acldefault('l', lanowner) AS acldefault, "
+                          "(%s lanowner) AS lanowner "
+                          "FROM pg_language "
+                          "WHERE lanispl "
+                          "ORDER BY oid",
                           username_subquery);
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(initacl_subquery);
-        destroyPQExpBuffer(initracl_subquery);
     }
     else if (fout->remoteVersion >= 90000)
     {
         /* pg_language has a laninline column */
         appendPQExpBuffer(query, "SELECT tableoid, oid, "
                           "lanname, lanpltrusted, lanplcallfoid, "
-                          "laninline, lanvalidator, lanacl, NULL AS rlanacl, "
-                          "NULL AS initlanacl, NULL AS initrlanacl, "
+                          "laninline, lanvalidator, "
+                          "lanacl, NULL AS acldefault, "
                           "(%s lanowner) AS lanowner "
                           "FROM pg_language "
                           "WHERE lanispl "
@@ -8075,8 +7825,7 @@ getProcLangs(Archive *fout, int *numProcLangs)
         appendPQExpBuffer(query, "SELECT tableoid, oid, "
                           "lanname, lanpltrusted, lanplcallfoid, "
                           "0 AS laninline, lanvalidator, lanacl, "
-                          "NULL AS rlanacl, "
-                          "NULL AS initlanacl, NULL AS initrlanacl, "
+                          "NULL AS acldefault, "
                           "(%s lanowner) AS lanowner "
                           "FROM pg_language "
                           "WHERE lanispl "
@@ -8089,8 +7838,7 @@ getProcLangs(Archive *fout, int *numProcLangs)
         appendPQExpBuffer(query, "SELECT tableoid, oid, "
                           "lanname, lanpltrusted, lanplcallfoid, "
                           "0 AS laninline, lanvalidator, lanacl, "
-                          "NULL AS rlanacl, "
-                          "NULL AS initlanacl, NULL AS initrlanacl, "
+                          "NULL AS acldefault, "
                           "(%s '10') AS lanowner "
                           "FROM pg_language "
                           "WHERE lanispl "
@@ -8103,8 +7851,7 @@ getProcLangs(Archive *fout, int *numProcLangs)
         appendPQExpBuffer(query, "SELECT tableoid, oid, "
                           "lanname, lanpltrusted, lanplcallfoid, "
                           "0 AS laninline, lanvalidator, lanacl, "
-                          "NULL AS rlanacl, "
-                          "NULL AS initlanacl, NULL AS initrlanacl, "
+                          "NULL AS acldefault, "
                           "(%s '1') AS lanowner "
                           "FROM pg_language "
                           "WHERE lanispl "
@@ -8128,9 +7875,7 @@ getProcLangs(Archive *fout, int *numProcLangs)
     i_laninline = PQfnumber(res, "laninline");
     i_lanvalidator = PQfnumber(res, "lanvalidator");
     i_lanacl = PQfnumber(res, "lanacl");
-    i_rlanacl = PQfnumber(res, "rlanacl");
-    i_initlanacl = PQfnumber(res, "initlanacl");
-    i_initrlanacl = PQfnumber(res, "initrlanacl");
+    i_acldefault = PQfnumber(res, "acldefault");
     i_lanowner = PQfnumber(res, "lanowner");

     for (i = 0; i < ntups; i++)
@@ -8141,24 +7886,21 @@ getProcLangs(Archive *fout, int *numProcLangs)
         AssignDumpId(&planginfo[i].dobj);

         planginfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_lanname));
+        planginfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_lanacl));
+        planginfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        planginfo[i].dacl.privtype = 0;
+        planginfo[i].dacl.initprivs = NULL;
         planginfo[i].lanpltrusted = *(PQgetvalue(res, i, i_lanpltrusted)) == 't';
         planginfo[i].lanplcallfoid = atooid(PQgetvalue(res, i, i_lanplcallfoid));
         planginfo[i].laninline = atooid(PQgetvalue(res, i, i_laninline));
         planginfo[i].lanvalidator = atooid(PQgetvalue(res, i, i_lanvalidator));
-        planginfo[i].lanacl = pg_strdup(PQgetvalue(res, i, i_lanacl));
-        planginfo[i].rlanacl = pg_strdup(PQgetvalue(res, i, i_rlanacl));
-        planginfo[i].initlanacl = pg_strdup(PQgetvalue(res, i, i_initlanacl));
-        planginfo[i].initrlanacl = pg_strdup(PQgetvalue(res, i, i_initrlanacl));
         planginfo[i].lanowner = pg_strdup(PQgetvalue(res, i, i_lanowner));

         /* Decide whether we want to dump it */
         selectDumpableProcLang(&(planginfo[i]), fout);

         /* Mark whether language has an ACL */
-        if (!(PQgetisnull(res, i, i_lanacl) &&
-              PQgetisnull(res, i, i_rlanacl) &&
-              PQgetisnull(res, i, i_initlanacl) &&
-              PQgetisnull(res, i, i_initrlanacl)))
+        if (!PQgetisnull(res, i, i_lanacl))
             planginfo[i].dobj.components |= DUMP_COMPONENT_ACL;
     }

@@ -9209,7 +8951,6 @@ getTSConfigurations(Archive *fout, int *numTSConfigs)
 FdwInfo *
 getForeignDataWrappers(Archive *fout, int *numForeignDataWrappers)
 {
-    DumpOptions *dopt = fout->dopt;
     PGresult   *res;
     int            ntups;
     int            i;
@@ -9222,9 +8963,7 @@ getForeignDataWrappers(Archive *fout, int *numForeignDataWrappers)
     int            i_fdwhandler;
     int            i_fdwvalidator;
     int            i_fdwacl;
-    int            i_rfdwacl;
-    int            i_initfdwacl;
-    int            i_initrfdwacl;
+    int            i_acldefault;
     int            i_fdwoptions;

     /* Before 8.4, there are no foreign-data wrappers */
@@ -9236,46 +8975,22 @@ getForeignDataWrappers(Archive *fout, int *numForeignDataWrappers)

     query = createPQExpBuffer();

-    if (fout->remoteVersion >= 90600)
+    if (fout->remoteVersion >= 90200)
     {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer initacl_subquery = createPQExpBuffer();
-        PQExpBuffer initracl_subquery = createPQExpBuffer();
-
-        buildACLQueries(acl_subquery, racl_subquery, initacl_subquery,
-                        initracl_subquery, "f.fdwacl", "f.fdwowner",
-                        "pip.initprivs", "'F'", dopt->binary_upgrade);
-
-        appendPQExpBuffer(query, "SELECT f.tableoid, f.oid, f.fdwname, "
-                          "(%s f.fdwowner) AS rolname, "
-                          "f.fdwhandler::pg_catalog.regproc, "
-                          "f.fdwvalidator::pg_catalog.regproc, "
-                          "%s AS fdwacl, "
-                          "%s AS rfdwacl, "
-                          "%s AS initfdwacl, "
-                          "%s AS initrfdwacl, "
+        appendPQExpBuffer(query, "SELECT tableoid, oid, fdwname, "
+                          "(%s fdwowner) AS rolname, "
+                          "fdwhandler::pg_catalog.regproc, "
+                          "fdwvalidator::pg_catalog.regproc, "
+                          "fdwacl, "
+                          "acldefault('F', fdwowner) AS acldefault, "
                           "array_to_string(ARRAY("
                           "SELECT quote_ident(option_name) || ' ' || "
                           "quote_literal(option_value) "
-                          "FROM pg_options_to_table(f.fdwoptions) "
+                          "FROM pg_options_to_table(fdwoptions) "
                           "ORDER BY option_name"
                           "), E',\n    ') AS fdwoptions "
-                          "FROM pg_foreign_data_wrapper f "
-                          "LEFT JOIN pg_init_privs pip ON "
-                          "(f.oid = pip.objoid "
-                          "AND pip.classoid = 'pg_foreign_data_wrapper'::regclass "
-                          "AND pip.objsubid = 0) ",
-                          username_subquery,
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          initacl_subquery->data,
-                          initracl_subquery->data);
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(initacl_subquery);
-        destroyPQExpBuffer(initracl_subquery);
+                          "FROM pg_foreign_data_wrapper",
+                          username_subquery);
     }
     else if (fout->remoteVersion >= 90100)
     {
@@ -9283,8 +8998,7 @@ getForeignDataWrappers(Archive *fout, int *numForeignDataWrappers)
                           "(%s fdwowner) AS rolname, "
                           "fdwhandler::pg_catalog.regproc, "
                           "fdwvalidator::pg_catalog.regproc, fdwacl, "
-                          "NULL as rfdwacl, "
-                          "NULL as initfdwacl, NULL AS initrfdwacl, "
+                          "NULL AS acldefault, "
                           "array_to_string(ARRAY("
                           "SELECT quote_ident(option_name) || ' ' || "
                           "quote_literal(option_value) "
@@ -9300,8 +9014,7 @@ getForeignDataWrappers(Archive *fout, int *numForeignDataWrappers)
                           "(%s fdwowner) AS rolname, "
                           "'-' AS fdwhandler, "
                           "fdwvalidator::pg_catalog.regproc, fdwacl, "
-                          "NULL as rfdwacl, "
-                          "NULL as initfdwacl, NULL AS initrfdwacl, "
+                          "NULL AS acldefault, "
                           "array_to_string(ARRAY("
                           "SELECT quote_ident(option_name) || ' ' || "
                           "quote_literal(option_value) "
@@ -9326,9 +9039,7 @@ getForeignDataWrappers(Archive *fout, int *numForeignDataWrappers)
     i_fdwhandler = PQfnumber(res, "fdwhandler");
     i_fdwvalidator = PQfnumber(res, "fdwvalidator");
     i_fdwacl = PQfnumber(res, "fdwacl");
-    i_rfdwacl = PQfnumber(res, "rfdwacl");
-    i_initfdwacl = PQfnumber(res, "initfdwacl");
-    i_initrfdwacl = PQfnumber(res, "initrfdwacl");
+    i_acldefault = PQfnumber(res, "acldefault");
     i_fdwoptions = PQfnumber(res, "fdwoptions");

     for (i = 0; i < ntups; i++)
@@ -9339,23 +9050,20 @@ getForeignDataWrappers(Archive *fout, int *numForeignDataWrappers)
         AssignDumpId(&fdwinfo[i].dobj);
         fdwinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_fdwname));
         fdwinfo[i].dobj.namespace = NULL;
+        fdwinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_fdwacl));
+        fdwinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        fdwinfo[i].dacl.privtype = 0;
+        fdwinfo[i].dacl.initprivs = NULL;
         fdwinfo[i].rolname = pg_strdup(PQgetvalue(res, i, i_rolname));
         fdwinfo[i].fdwhandler = pg_strdup(PQgetvalue(res, i, i_fdwhandler));
         fdwinfo[i].fdwvalidator = pg_strdup(PQgetvalue(res, i, i_fdwvalidator));
         fdwinfo[i].fdwoptions = pg_strdup(PQgetvalue(res, i, i_fdwoptions));
-        fdwinfo[i].fdwacl = pg_strdup(PQgetvalue(res, i, i_fdwacl));
-        fdwinfo[i].rfdwacl = pg_strdup(PQgetvalue(res, i, i_rfdwacl));
-        fdwinfo[i].initfdwacl = pg_strdup(PQgetvalue(res, i, i_initfdwacl));
-        fdwinfo[i].initrfdwacl = pg_strdup(PQgetvalue(res, i, i_initrfdwacl));

         /* Decide whether we want to dump it */
         selectDumpableObject(&(fdwinfo[i].dobj), fout);

         /* Mark whether FDW has an ACL */
-        if (!(PQgetisnull(res, i, i_fdwacl) &&
-              PQgetisnull(res, i, i_rfdwacl) &&
-              PQgetisnull(res, i, i_initfdwacl) &&
-              PQgetisnull(res, i, i_initrfdwacl)))
+        if (!PQgetisnull(res, i, i_fdwacl))
             fdwinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
     }

@@ -9376,7 +9084,6 @@ getForeignDataWrappers(Archive *fout, int *numForeignDataWrappers)
 ForeignServerInfo *
 getForeignServers(Archive *fout, int *numForeignServers)
 {
-    DumpOptions *dopt = fout->dopt;
     PGresult   *res;
     int            ntups;
     int            i;
@@ -9390,9 +9097,7 @@ getForeignServers(Archive *fout, int *numForeignServers)
     int            i_srvtype;
     int            i_srvversion;
     int            i_srvacl;
-    int            i_rsrvacl;
-    int            i_initsrvacl;
-    int            i_initrsrvacl;
+    int            i_acldefault;
     int            i_srvoptions;

     /* Before 8.4, there are no foreign servers */
@@ -9404,53 +9109,27 @@ getForeignServers(Archive *fout, int *numForeignServers)

     query = createPQExpBuffer();

-    if (fout->remoteVersion >= 90600)
+    if (fout->remoteVersion >= 90200)
     {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer initacl_subquery = createPQExpBuffer();
-        PQExpBuffer initracl_subquery = createPQExpBuffer();
-
-        buildACLQueries(acl_subquery, racl_subquery, initacl_subquery,
-                        initracl_subquery, "f.srvacl", "f.srvowner",
-                        "pip.initprivs", "'S'", dopt->binary_upgrade);
-
-        appendPQExpBuffer(query, "SELECT f.tableoid, f.oid, f.srvname, "
-                          "(%s f.srvowner) AS rolname, "
-                          "f.srvfdw, f.srvtype, f.srvversion, "
-                          "%s AS srvacl, "
-                          "%s AS rsrvacl, "
-                          "%s AS initsrvacl, "
-                          "%s AS initrsrvacl, "
+        appendPQExpBuffer(query, "SELECT tableoid, oid, srvname, "
+                          "(%s srvowner) AS rolname, "
+                          "srvfdw, srvtype, srvversion, srvacl, "
+                          "acldefault('S', srvowner) AS acldefault, "
                           "array_to_string(ARRAY("
                           "SELECT quote_ident(option_name) || ' ' || "
                           "quote_literal(option_value) "
-                          "FROM pg_options_to_table(f.srvoptions) "
+                          "FROM pg_options_to_table(srvoptions) "
                           "ORDER BY option_name"
                           "), E',\n    ') AS srvoptions "
-                          "FROM pg_foreign_server f "
-                          "LEFT JOIN pg_init_privs pip "
-                          "ON (f.oid = pip.objoid "
-                          "AND pip.classoid = 'pg_foreign_server'::regclass "
-                          "AND pip.objsubid = 0) ",
-                          username_subquery,
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          initacl_subquery->data,
-                          initracl_subquery->data);
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(initacl_subquery);
-        destroyPQExpBuffer(initracl_subquery);
+                          "FROM pg_foreign_server",
+                          username_subquery);
     }
     else
     {
         appendPQExpBuffer(query, "SELECT tableoid, oid, srvname, "
                           "(%s srvowner) AS rolname, "
                           "srvfdw, srvtype, srvversion, srvacl, "
-                          "NULL AS rsrvacl, "
-                          "NULL AS initsrvacl, NULL AS initrsrvacl, "
+                          "NULL AS acldefault, "
                           "array_to_string(ARRAY("
                           "SELECT quote_ident(option_name) || ' ' || "
                           "quote_literal(option_value) "
@@ -9476,9 +9155,7 @@ getForeignServers(Archive *fout, int *numForeignServers)
     i_srvtype = PQfnumber(res, "srvtype");
     i_srvversion = PQfnumber(res, "srvversion");
     i_srvacl = PQfnumber(res, "srvacl");
-    i_rsrvacl = PQfnumber(res, "rsrvacl");
-    i_initsrvacl = PQfnumber(res, "initsrvacl");
-    i_initrsrvacl = PQfnumber(res, "initrsrvacl");
+    i_acldefault = PQfnumber(res, "acldefault");
     i_srvoptions = PQfnumber(res, "srvoptions");

     for (i = 0; i < ntups; i++)
@@ -9489,15 +9166,15 @@ getForeignServers(Archive *fout, int *numForeignServers)
         AssignDumpId(&srvinfo[i].dobj);
         srvinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_srvname));
         srvinfo[i].dobj.namespace = NULL;
+        srvinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_srvacl));
+        srvinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        srvinfo[i].dacl.privtype = 0;
+        srvinfo[i].dacl.initprivs = NULL;
         srvinfo[i].rolname = pg_strdup(PQgetvalue(res, i, i_rolname));
         srvinfo[i].srvfdw = atooid(PQgetvalue(res, i, i_srvfdw));
         srvinfo[i].srvtype = pg_strdup(PQgetvalue(res, i, i_srvtype));
         srvinfo[i].srvversion = pg_strdup(PQgetvalue(res, i, i_srvversion));
         srvinfo[i].srvoptions = pg_strdup(PQgetvalue(res, i, i_srvoptions));
-        srvinfo[i].srvacl = pg_strdup(PQgetvalue(res, i, i_srvacl));
-        srvinfo[i].rsrvacl = pg_strdup(PQgetvalue(res, i, i_rsrvacl));
-        srvinfo[i].initsrvacl = pg_strdup(PQgetvalue(res, i, i_initsrvacl));
-        srvinfo[i].initrsrvacl = pg_strdup(PQgetvalue(res, i, i_initrsrvacl));

         /* Decide whether we want to dump it */
         selectDumpableObject(&(srvinfo[i].dobj), fout);
@@ -9506,10 +9183,7 @@ getForeignServers(Archive *fout, int *numForeignServers)
         srvinfo[i].dobj.components |= DUMP_COMPONENT_USERMAP;

         /* Mark whether server has an ACL */
-        if (!(PQgetisnull(res, i, i_srvacl) &&
-              PQgetisnull(res, i, i_rsrvacl) &&
-              PQgetisnull(res, i, i_initsrvacl) &&
-              PQgetisnull(res, i, i_initrsrvacl)))
+        if (!PQgetisnull(res, i, i_srvacl))
             srvinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
     }

@@ -9540,9 +9214,7 @@ getDefaultACLs(Archive *fout, int *numDefaultACLs)
     int            i_defaclnamespace;
     int            i_defaclobjtype;
     int            i_defaclacl;
-    int            i_rdefaclacl;
-    int            i_initdefaclacl;
-    int            i_initrdefaclacl;
+    int            i_acldefault;
     int            i,
                 ntups;

@@ -9554,13 +9226,16 @@ getDefaultACLs(Archive *fout, int *numDefaultACLs)

     query = createPQExpBuffer();

-    if (fout->remoteVersion >= 90600)
-    {
-        PQExpBuffer acl_subquery = createPQExpBuffer();
-        PQExpBuffer racl_subquery = createPQExpBuffer();
-        PQExpBuffer initacl_subquery = createPQExpBuffer();
-        PQExpBuffer initracl_subquery = createPQExpBuffer();
+    appendPQExpBuffer(query,
+                      "SELECT oid, tableoid, "
+                      "(%s defaclrole) AS defaclrole, "
+                      "defaclnamespace, "
+                      "defaclobjtype, "
+                      "defaclacl, ",
+                      username_subquery);

+    if (fout->remoteVersion >= 90200)
+    {
         /*
          * Global entries (with defaclnamespace=0) replace the hard-wired
          * default ACL for their object type.  We should dump them as deltas
@@ -9568,59 +9243,24 @@ getDefaultACLs(Archive *fout, int *numDefaultACLs)
          * for interpreting the ALTER DEFAULT PRIVILEGES commands.  On the
          * other hand, non-global entries can only add privileges not revoke
          * them.  We must dump those as-is (i.e., as deltas from an empty
-         * ACL).  We implement that by passing NULL as the object type for
-         * acldefault(), which works because acldefault() is STRICT.
+         * ACL).
          *
          * We can use defaclobjtype as the object type for acldefault(),
          * except for the case of 'S' (DEFACLOBJ_SEQUENCE) which must be
          * converted to 's'.
          */
-        buildACLQueries(acl_subquery, racl_subquery, initacl_subquery,
-                        initracl_subquery, "defaclacl", "defaclrole",
-                        "pip.initprivs",
-                        "CASE WHEN defaclnamespace = 0 THEN"
-                        "      CASE WHEN defaclobjtype = 'S' THEN 's'::\"char\""
-                        "      ELSE defaclobjtype END "
-                        "ELSE NULL END",
-                        dopt->binary_upgrade);
-
-        appendPQExpBuffer(query, "SELECT d.oid, d.tableoid, "
-                          "(%s d.defaclrole) AS defaclrole, "
-                          "d.defaclnamespace, "
-                          "d.defaclobjtype, "
-                          "%s AS defaclacl, "
-                          "%s AS rdefaclacl, "
-                          "%s AS initdefaclacl, "
-                          "%s AS initrdefaclacl "
-                          "FROM pg_default_acl d "
-                          "LEFT JOIN pg_init_privs pip ON "
-                          "(d.oid = pip.objoid "
-                          "AND pip.classoid = 'pg_default_acl'::regclass "
-                          "AND pip.objsubid = 0) ",
-                          username_subquery,
-                          acl_subquery->data,
-                          racl_subquery->data,
-                          initacl_subquery->data,
-                          initracl_subquery->data);
-
-        destroyPQExpBuffer(acl_subquery);
-        destroyPQExpBuffer(racl_subquery);
-        destroyPQExpBuffer(initacl_subquery);
-        destroyPQExpBuffer(initracl_subquery);
+        appendPQExpBufferStr(query,
+                             "CASE WHEN defaclnamespace = 0 THEN "
+                             "acldefault(CASE WHEN defaclobjtype = 'S' "
+                             "THEN 's'::\"char\" ELSE defaclobjtype END, "
+                             "defaclrole) ELSE '{}' END AS acldefault ");
     }
     else
-    {
-        appendPQExpBuffer(query, "SELECT oid, tableoid, "
-                          "(%s defaclrole) AS defaclrole, "
-                          "defaclnamespace, "
-                          "defaclobjtype, "
-                          "defaclacl, "
-                          "NULL AS rdefaclacl, "
-                          "NULL AS initdefaclacl, "
-                          "NULL AS initrdefaclacl "
-                          "FROM pg_default_acl",
-                          username_subquery);
-    }
+        appendPQExpBufferStr(query,
+                             "NULL AS acldefault ");
+
+    appendPQExpBufferStr(query,
+                         "FROM pg_default_acl");

     res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);

@@ -9635,9 +9275,7 @@ getDefaultACLs(Archive *fout, int *numDefaultACLs)
     i_defaclnamespace = PQfnumber(res, "defaclnamespace");
     i_defaclobjtype = PQfnumber(res, "defaclobjtype");
     i_defaclacl = PQfnumber(res, "defaclacl");
-    i_rdefaclacl = PQfnumber(res, "rdefaclacl");
-    i_initdefaclacl = PQfnumber(res, "initdefaclacl");
-    i_initrdefaclacl = PQfnumber(res, "initrdefaclacl");
+    i_acldefault = PQfnumber(res, "acldefault");

     for (i = 0; i < ntups; i++)
     {
@@ -9655,12 +9293,12 @@ getDefaultACLs(Archive *fout, int *numDefaultACLs)
         else
             daclinfo[i].dobj.namespace = NULL;

+        daclinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_defaclacl));
+        daclinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+        daclinfo[i].dacl.privtype = 0;
+        daclinfo[i].dacl.initprivs = NULL;
         daclinfo[i].defaclrole = pg_strdup(PQgetvalue(res, i, i_defaclrole));
         daclinfo[i].defaclobjtype = *(PQgetvalue(res, i, i_defaclobjtype));
-        daclinfo[i].defaclacl = pg_strdup(PQgetvalue(res, i, i_defaclacl));
-        daclinfo[i].rdefaclacl = pg_strdup(PQgetvalue(res, i, i_rdefaclacl));
-        daclinfo[i].initdefaclacl = pg_strdup(PQgetvalue(res, i, i_initdefaclacl));
-        daclinfo[i].initrdefaclacl = pg_strdup(PQgetvalue(res, i, i_initrdefaclacl));

         /* Default ACLs are ACLs, of course */
         daclinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
@@ -9676,6 +9314,126 @@ getDefaultACLs(Archive *fout, int *numDefaultACLs)
     return daclinfo;
 }

+/*
+ * getAdditionalACLs
+ *
+ * We have now created all the DumpableObjects, and collected the ACL data
+ * that appears in the directly-associated catalog entries.  However, there's
+ * more ACL-related info to collect.  If any of a table's columns have ACLs,
+ * we must set the TableInfo's DUMP_COMPONENT_ACL components flag, as well as
+ * its hascolumnACLs flag (we won't store the ACLs themselves here, though).
+ * Also, in versions having the pg_init_privs catalog, read that and load the
+ * information into the relevant DumpableObjects.
+ */
+static void
+getAdditionalACLs(Archive *fout)
+{
+    PQExpBuffer query = createPQExpBuffer();
+    PGresult   *res;
+    int            ntups,
+                i;
+
+    /* Check for per-column ACLs */
+    if (fout->remoteVersion >= 80400)
+    {
+        appendPQExpBufferStr(query,
+                             "SELECT DISTINCT attrelid FROM pg_attribute "
+                             "WHERE attacl IS NOT NULL");
+
+        res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+
+        ntups = PQntuples(res);
+        for (i = 0; i < ntups; i++)
+        {
+            Oid            relid = atooid(PQgetvalue(res, i, 0));
+            TableInfo  *tblinfo;
+
+            tblinfo = findTableByOid(relid);
+            /* OK to ignore tables we haven't got a DumpableObject for */
+            if (tblinfo)
+            {
+                tblinfo->dobj.components |= DUMP_COMPONENT_ACL;
+                tblinfo->hascolumnACLs = true;
+            }
+        }
+        PQclear(res);
+    }
+
+    /* Fetch initial-privileges data */
+    if (fout->remoteVersion >= 90600)
+    {
+        printfPQExpBuffer(query,
+                          "SELECT objoid, classoid, objsubid, privtype, initprivs "
+                          "FROM pg_init_privs");
+
+        res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+
+        ntups = PQntuples(res);
+        for (i = 0; i < ntups; i++)
+        {
+            Oid            objoid = atooid(PQgetvalue(res, i, 0));
+            Oid            classoid = atooid(PQgetvalue(res, i, 1));
+            int            objsubid = atoi(PQgetvalue(res, i, 2));
+            char        privtype = *(PQgetvalue(res, i, 3));
+            char       *initprivs = PQgetvalue(res, i, 4);
+            CatalogId    objId;
+            DumpableObject *dobj;
+
+            objId.tableoid = classoid;
+            objId.oid = objoid;
+            dobj = findObjectByCatalogId(objId);
+            /* OK to ignore entries we haven't got a DumpableObject for */
+            if (dobj)
+            {
+                /* Cope with sub-object initprivs */
+                if (objsubid != 0)
+                {
+                    if (dobj->objType == DO_TABLE)
+                    {
+                        /* For a column initpriv, set the table's ACL flags */
+                        dobj->components |= DUMP_COMPONENT_ACL;
+                        ((TableInfo *) dobj)->hascolumnACLs = true;
+                    }
+                    else
+                        pg_log_warning("unsupported pg_init_privs entry: %u %u %d",
+                                       classoid, objoid, objsubid);
+                    continue;
+                }
+
+                /*
+                 * We ignore any pg_init_privs.initprivs entry for the public
+                 * schema, as explained in getNamespaces().
+                 */
+                if (dobj->objType == DO_NAMESPACE &&
+                    strcmp(dobj->name, "public") == 0)
+                    continue;
+
+                /* Else it had better be of a type we think has ACLs */
+                if (dobj->objType == DO_NAMESPACE ||
+                    dobj->objType == DO_TYPE ||
+                    dobj->objType == DO_FUNC ||
+                    dobj->objType == DO_AGG ||
+                    dobj->objType == DO_TABLE ||
+                    dobj->objType == DO_PROCLANG ||
+                    dobj->objType == DO_FDW ||
+                    dobj->objType == DO_FOREIGN_SERVER)
+                {
+                    DumpableObjectWithAcl *daobj = (DumpableObjectWithAcl *) dobj;
+
+                    daobj->dacl.privtype = privtype;
+                    daobj->dacl.initprivs = pstrdup(initprivs);
+                }
+                else
+                    pg_log_warning("unsupported pg_init_privs entry: %u %u %d",
+                                   classoid, objoid, objsubid);
+            }
+        }
+        PQclear(res);
+    }
+
+    destroyPQExpBuffer(query);
+}
+
 /*
  * dumpCommentExtended --
  *
@@ -10324,8 +10082,7 @@ dumpNamespace(Archive *fout, const NamespaceInfo *nspinfo)
     if (nspinfo->dobj.dump & DUMP_COMPONENT_ACL)
         dumpACL(fout, nspinfo->dobj.dumpId, InvalidDumpId, "SCHEMA",
                 qnspname, NULL, NULL,
-                nspinfo->rolname, nspinfo->nspacl, nspinfo->rnspacl,
-                nspinfo->initnspacl, nspinfo->initrnspacl);
+                nspinfo->rolname, &nspinfo->dacl);

     free(qnspname);

@@ -10616,8 +10373,7 @@ dumpEnumType(Archive *fout, const TypeInfo *tyinfo)
         dumpACL(fout, tyinfo->dobj.dumpId, InvalidDumpId, "TYPE",
                 qtypname, NULL,
                 tyinfo->dobj.namespace->dobj.name,
-                tyinfo->rolname, tyinfo->typacl, tyinfo->rtypacl,
-                tyinfo->inittypacl, tyinfo->initrtypacl);
+                tyinfo->rolname, &tyinfo->dacl);

     PQclear(res);
     destroyPQExpBuffer(q);
@@ -10756,8 +10512,7 @@ dumpRangeType(Archive *fout, const TypeInfo *tyinfo)
         dumpACL(fout, tyinfo->dobj.dumpId, InvalidDumpId, "TYPE",
                 qtypname, NULL,
                 tyinfo->dobj.namespace->dobj.name,
-                tyinfo->rolname, tyinfo->typacl, tyinfo->rtypacl,
-                tyinfo->inittypacl, tyinfo->initrtypacl);
+                tyinfo->rolname, &tyinfo->dacl);

     PQclear(res);
     destroyPQExpBuffer(q);
@@ -10828,8 +10583,7 @@ dumpUndefinedType(Archive *fout, const TypeInfo *tyinfo)
         dumpACL(fout, tyinfo->dobj.dumpId, InvalidDumpId, "TYPE",
                 qtypname, NULL,
                 tyinfo->dobj.namespace->dobj.name,
-                tyinfo->rolname, tyinfo->typacl, tyinfo->rtypacl,
-                tyinfo->inittypacl, tyinfo->initrtypacl);
+                tyinfo->rolname, &tyinfo->dacl);

     destroyPQExpBuffer(q);
     destroyPQExpBuffer(delq);
@@ -11088,8 +10842,7 @@ dumpBaseType(Archive *fout, const TypeInfo *tyinfo)
         dumpACL(fout, tyinfo->dobj.dumpId, InvalidDumpId, "TYPE",
                 qtypname, NULL,
                 tyinfo->dobj.namespace->dobj.name,
-                tyinfo->rolname, tyinfo->typacl, tyinfo->rtypacl,
-                tyinfo->inittypacl, tyinfo->initrtypacl);
+                tyinfo->rolname, &tyinfo->dacl);

     PQclear(res);
     destroyPQExpBuffer(q);
@@ -11245,8 +10998,7 @@ dumpDomain(Archive *fout, const TypeInfo *tyinfo)
         dumpACL(fout, tyinfo->dobj.dumpId, InvalidDumpId, "TYPE",
                 qtypname, NULL,
                 tyinfo->dobj.namespace->dobj.name,
-                tyinfo->rolname, tyinfo->typacl, tyinfo->rtypacl,
-                tyinfo->inittypacl, tyinfo->initrtypacl);
+                tyinfo->rolname, &tyinfo->dacl);

     /* Dump any per-constraint comments */
     for (i = 0; i < tyinfo->nDomChecks; i++)
@@ -11467,8 +11219,7 @@ dumpCompositeType(Archive *fout, const TypeInfo *tyinfo)
         dumpACL(fout, tyinfo->dobj.dumpId, InvalidDumpId, "TYPE",
                 qtypname, NULL,
                 tyinfo->dobj.namespace->dobj.name,
-                tyinfo->rolname, tyinfo->typacl, tyinfo->rtypacl,
-                tyinfo->inittypacl, tyinfo->initrtypacl);
+                tyinfo->rolname, &tyinfo->dacl);

     PQclear(res);
     destroyPQExpBuffer(q);
@@ -11766,8 +11517,7 @@ dumpProcLang(Archive *fout, const ProcLangInfo *plang)
     if (plang->lanpltrusted && plang->dobj.dump & DUMP_COMPONENT_ACL)
         dumpACL(fout, plang->dobj.dumpId, InvalidDumpId, "LANGUAGE",
                 qlanname, NULL, NULL,
-                plang->lanowner, plang->lanacl, plang->rlanacl,
-                plang->initlanacl, plang->initrlanacl);
+                plang->lanowner, &plang->dacl);

     free(qlanname);

@@ -12403,8 +12153,7 @@ dumpFunc(Archive *fout, const FuncInfo *finfo)
         dumpACL(fout, finfo->dobj.dumpId, InvalidDumpId, keyword,
                 funcsig, NULL,
                 finfo->dobj.namespace->dobj.name,
-                finfo->rolname, finfo->proacl, finfo->rproacl,
-                finfo->initproacl, finfo->initrproacl);
+                finfo->rolname, &finfo->dacl);

     PQclear(res);

@@ -14308,9 +14057,7 @@ dumpAgg(Archive *fout, const AggInfo *agginfo)
         dumpACL(fout, agginfo->aggfn.dobj.dumpId, InvalidDumpId,
                 "FUNCTION", aggsig, NULL,
                 agginfo->aggfn.dobj.namespace->dobj.name,
-                agginfo->aggfn.rolname, agginfo->aggfn.proacl,
-                agginfo->aggfn.rproacl,
-                agginfo->aggfn.initproacl, agginfo->aggfn.initrproacl);
+                agginfo->aggfn.rolname, &agginfo->aggfn.dacl);

     free(aggsig);
     if (aggfullsig)
@@ -14709,9 +14456,7 @@ dumpForeignDataWrapper(Archive *fout, const FdwInfo *fdwinfo)
     if (fdwinfo->dobj.dump & DUMP_COMPONENT_ACL)
         dumpACL(fout, fdwinfo->dobj.dumpId, InvalidDumpId,
                 "FOREIGN DATA WRAPPER", qfdwname, NULL,
-                NULL, fdwinfo->rolname,
-                fdwinfo->fdwacl, fdwinfo->rfdwacl,
-                fdwinfo->initfdwacl, fdwinfo->initrfdwacl);
+                NULL, fdwinfo->rolname, &fdwinfo->dacl);

     free(qfdwname);

@@ -14798,9 +14543,7 @@ dumpForeignServer(Archive *fout, const ForeignServerInfo *srvinfo)
     if (srvinfo->dobj.dump & DUMP_COMPONENT_ACL)
         dumpACL(fout, srvinfo->dobj.dumpId, InvalidDumpId,
                 "FOREIGN SERVER", qsrvname, NULL,
-                NULL, srvinfo->rolname,
-                srvinfo->srvacl, srvinfo->rsrvacl,
-                srvinfo->initsrvacl, srvinfo->initrsrvacl);
+                NULL, srvinfo->rolname, &srvinfo->dacl);

     /* Dump user mappings */
     if (srvinfo->dobj.dump & DUMP_COMPONENT_USERMAP)
@@ -14964,15 +14707,13 @@ dumpDefaultACL(Archive *fout, const DefaultACLInfo *daclinfo)
     if (!buildDefaultACLCommands(type,
                                  daclinfo->dobj.namespace != NULL ?
                                  daclinfo->dobj.namespace->dobj.name : NULL,
-                                 daclinfo->defaclacl,
-                                 daclinfo->rdefaclacl,
-                                 daclinfo->initdefaclacl,
-                                 daclinfo->initrdefaclacl,
+                                 daclinfo->dacl.acl,
+                                 daclinfo->dacl.acldefault,
                                  daclinfo->defaclrole,
                                  fout->remoteVersion,
                                  q))
         fatal("could not parse default ACL list (%s)",
-              daclinfo->defaclacl);
+              daclinfo->dacl.acl);

     if (daclinfo->dobj.dump & DUMP_COMPONENT_ACL)
         ArchiveEntry(fout, daclinfo->dobj.catId, daclinfo->dobj.dumpId,
@@ -15002,20 +14743,7 @@ dumpDefaultACL(Archive *fout, const DefaultACLInfo *daclinfo)
  *        (Currently we assume that subname is only provided for table columns.)
  * 'nspname' is the namespace the object is in (NULL if none).
  * 'owner' is the owner, NULL if there is no owner (for languages).
- * 'acls' contains the ACL string of the object from the appropriate system
- *         catalog field; it will be passed to buildACLCommands for building the
- *         appropriate GRANT commands.
- * 'racls' contains the ACL string of any initial-but-now-revoked ACLs of the
- *         object; it will be passed to buildACLCommands for building the
- *         appropriate REVOKE commands.
- * 'initacls' In binary-upgrade mode, ACL string of the object's initial
- *         privileges, to be recorded into pg_init_privs
- * 'initracls' In binary-upgrade mode, ACL string of the object's
- *         revoked-from-default privileges, to be recorded into pg_init_privs
- *
- * NB: initacls/initracls are needed because extensions can set privileges on
- * an object during the extension's script file and we record those into
- * pg_init_privs as that object's initial privileges.
+ * 'dacl' is the DumpableAcl struct fpr the object.
  *
  * Returns the dump ID assigned to the ACL TocEntry, or InvalidDumpId if
  * no ACL entry was created.
@@ -15025,11 +14753,15 @@ static DumpId
 dumpACL(Archive *fout, DumpId objDumpId, DumpId altDumpId,
         const char *type, const char *name, const char *subname,
         const char *nspname, const char *owner,
-        const char *acls, const char *racls,
-        const char *initacls, const char *initracls)
+        const DumpableAcl *dacl)
 {
     DumpId        aclDumpId = InvalidDumpId;
     DumpOptions *dopt = fout->dopt;
+    const char *acls = dacl->acl;
+    const char *acldefault = dacl->acldefault;
+    char        privtype = dacl->privtype;
+    const char *initprivs = dacl->initprivs;
+    const char *baseacls;
     PQExpBuffer sql;

     /* Do nothing if ACL dump is not enabled */
@@ -15043,29 +14775,52 @@ dumpACL(Archive *fout, DumpId objDumpId, DumpId altDumpId,
     sql = createPQExpBuffer();

     /*
-     * Check to see if this object has had any initial ACLs included for it.
-     * If so, we are in binary upgrade mode and these are the ACLs to turn
-     * into GRANT and REVOKE statements to set and record the initial
-     * privileges for an extension object.  Let the backend know that these
-     * are to be recorded by calling binary_upgrade_set_record_init_privs()
-     * before and after.
+     * In binary upgrade mode, we don't run an extension's script but instead
+     * dump out the objects independently and then recreate them.  To preserve
+     * any initial privileges which were set on extension objects, we need to
+     * compute the set of GRANT and REVOKE commands necessary to get from the
+     * default privileges of an object to its initial privileges as recorded
+     * in pg_init_privs.
+     *
+     * At restore time, we apply these commands after having called
+     * binary_upgrade_set_record_init_privs(true).  That tells the backend to
+     * copy the results into pg_init_privs.  This is how we preserve the
+     * contents of that catalog across binary upgrades.
      */
-    if (strlen(initacls) != 0 || strlen(initracls) != 0)
+    if (dopt->binary_upgrade && privtype == 'e' &&
+        initprivs && *initprivs != '\0')
     {
         appendPQExpBufferStr(sql, "SELECT pg_catalog.binary_upgrade_set_record_init_privs(true);\n");
         if (!buildACLCommands(name, subname, nspname, type,
-                              initacls, initracls, owner,
+                              initprivs, acldefault, owner,
                               "", fout->remoteVersion, sql))
-            fatal("could not parse initial GRANT ACL list (%s) or initial REVOKE ACL list (%s) for object \"%s\"
(%s)",
-                  initacls, initracls, name, type);
+            fatal("could not parse initial ACL list (%s) or default (%s) for object \"%s\" (%s)",
+                  initprivs, acldefault, name, type);
         appendPQExpBufferStr(sql, "SELECT pg_catalog.binary_upgrade_set_record_init_privs(false);\n");
     }

+    /*
+     * Now figure the GRANT and REVOKE commands needed to get to the object's
+     * actual current ACL, starting from the initprivs if given, else from the
+     * object-type-specific default.  Also, while buildACLCommands will assume
+     * that a NULL/empty acls string means it needn't do anything, what that
+     * actually represents is the object-type-specific default; so we need to
+     * substitute the acldefault string to get the right results in that case.
+     */
+    if (initprivs && *initprivs != '\0')
+    {
+        baseacls = initprivs;
+        if (acls == NULL || *acls == '\0')
+            acls = acldefault;
+    }
+    else
+        baseacls = acldefault;
+
     if (!buildACLCommands(name, subname, nspname, type,
-                          acls, racls, owner,
+                          acls, baseacls, owner,
                           "", fout->remoteVersion, sql))
-        fatal("could not parse GRANT ACL list (%s) or REVOKE ACL list (%s) for object \"%s\" (%s)",
-              acls, racls, name, type);
+        fatal("could not parse ACL list (%s) or default (%s) for object \"%s\" (%s)",
+              acls, baseacls, name, type);

     if (sql->len > 0)
     {
@@ -15475,8 +15230,7 @@ dumpTable(Archive *fout, const TableInfo *tbinfo)
             dumpACL(fout, tbinfo->dobj.dumpId, InvalidDumpId,
                     objtype, namecopy, NULL,
                     tbinfo->dobj.namespace->dobj.name, tbinfo->rolname,
-                    tbinfo->relacl, tbinfo->rrelacl,
-                    tbinfo->initrelacl, tbinfo->initrrelacl);
+                    &tbinfo->dacl);
     }

     /*
@@ -15485,7 +15239,7 @@ dumpTable(Archive *fout, const TableInfo *tbinfo)
      * miss ACLs on system columns.  Doing it this way also allows us to dump
      * ACLs for catalogs that we didn't mark "interesting" back in getTables.
      */
-    if (fout->remoteVersion >= 80400 && tbinfo->dobj.dump & DUMP_COMPONENT_ACL)
+    if ((tbinfo->dobj.dump & DUMP_COMPONENT_ACL) && tbinfo->hascolumnACLs)
     {
         PQExpBuffer query = createPQExpBuffer();
         PGresult   *res;
@@ -15493,55 +15247,37 @@ dumpTable(Archive *fout, const TableInfo *tbinfo)

         if (fout->remoteVersion >= 90600)
         {
-            PQExpBuffer acl_subquery = createPQExpBuffer();
-            PQExpBuffer racl_subquery = createPQExpBuffer();
-            PQExpBuffer initacl_subquery = createPQExpBuffer();
-            PQExpBuffer initracl_subquery = createPQExpBuffer();
-
-            buildACLQueries(acl_subquery, racl_subquery, initacl_subquery,
-                            initracl_subquery, "at.attacl", "c.relowner",
-                            "pip.initprivs", "'c'", dopt->binary_upgrade);
-
+            /*
+             * In principle we should call acldefault('c', relowner) to get
+             * the default ACL for a column.  However, we don't currently
+             * store the numeric OID of the relowner in TableInfo.  We could
+             * convert the owner name using regrole, but that creates a risk
+             * of failure due to concurrent role renames.  Given that the
+             * default ACL for columns is empty and is likely to stay that
+             * way, it's not worth extra cycles and risk to avoid hard-wiring
+             * that knowledge here.
+             */
             appendPQExpBuffer(query,
                               "SELECT at.attname, "
-                              "%s AS attacl, "
-                              "%s AS rattacl, "
-                              "%s AS initattacl, "
-                              "%s AS initrattacl "
+                              "at.attacl, "
+                              "'{}' AS acldefault, "
+                              "pip.privtype, pip.initprivs "
                               "FROM pg_catalog.pg_attribute at "
-                              "JOIN pg_catalog.pg_class c ON (at.attrelid = c.oid) "
                               "LEFT JOIN pg_catalog.pg_init_privs pip ON "
                               "(at.attrelid = pip.objoid "
                               "AND pip.classoid = 'pg_catalog.pg_class'::pg_catalog.regclass "
                               "AND at.attnum = pip.objsubid) "
                               "WHERE at.attrelid = '%u'::pg_catalog.oid AND "
                               "NOT at.attisdropped "
-                              "AND ("
-                              "%s IS NOT NULL OR "
-                              "%s IS NOT NULL OR "
-                              "%s IS NOT NULL OR "
-                              "%s IS NOT NULL)"
+                              "AND (at.attacl IS NOT NULL OR pip.initprivs IS NOT NULL) "
                               "ORDER BY at.attnum",
-                              acl_subquery->data,
-                              racl_subquery->data,
-                              initacl_subquery->data,
-                              initracl_subquery->data,
-                              tbinfo->dobj.catId.oid,
-                              acl_subquery->data,
-                              racl_subquery->data,
-                              initacl_subquery->data,
-                              initracl_subquery->data);
-
-            destroyPQExpBuffer(acl_subquery);
-            destroyPQExpBuffer(racl_subquery);
-            destroyPQExpBuffer(initacl_subquery);
-            destroyPQExpBuffer(initracl_subquery);
+                              tbinfo->dobj.catId.oid);
         }
         else
         {
             appendPQExpBuffer(query,
-                              "SELECT attname, attacl, NULL as rattacl, "
-                              "NULL AS initattacl, NULL AS initrattacl "
+                              "SELECT attname, attacl, '{}' AS acldefault, "
+                              "NULL AS privtype, NULL AS initprivs "
                               "FROM pg_catalog.pg_attribute "
                               "WHERE attrelid = '%u'::pg_catalog.oid AND NOT attisdropped "
                               "AND attacl IS NOT NULL "
@@ -15555,11 +15291,16 @@ dumpTable(Archive *fout, const TableInfo *tbinfo)
         {
             char       *attname = PQgetvalue(res, i, 0);
             char       *attacl = PQgetvalue(res, i, 1);
-            char       *rattacl = PQgetvalue(res, i, 2);
-            char       *initattacl = PQgetvalue(res, i, 3);
-            char       *initrattacl = PQgetvalue(res, i, 4);
+            char       *acldefault = PQgetvalue(res, i, 2);
+            char        privtype = *(PQgetvalue(res, i, 3));
+            char       *initprivs = PQgetvalue(res, i, 4);
+            DumpableAcl coldacl;
             char       *attnamecopy;

+            coldacl.acl = attacl;
+            coldacl.acldefault = acldefault;
+            coldacl.privtype = privtype;
+            coldacl.initprivs = initprivs;
             attnamecopy = pg_strdup(fmtId(attname));

             /*
@@ -15570,7 +15311,7 @@ dumpTable(Archive *fout, const TableInfo *tbinfo)
             dumpACL(fout, tbinfo->dobj.dumpId, tableAclDumpId,
                     "TABLE", namecopy, attnamecopy,
                     tbinfo->dobj.namespace->dobj.name, tbinfo->rolname,
-                    attacl, rattacl, initattacl, initrattacl);
+                    &coldacl);
             free(attnamecopy);
         }
         PQclear(res);
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index 3db73f710c..e3b864f6ba 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -145,16 +145,36 @@ typedef struct _dumpableObject
     int            allocDeps;        /* allocated size of dependencies[] */
 } DumpableObject;

+/*
+ * Object types that have ACLs must store them in a DumpableAcl sub-struct,
+ * which must immediately follow the DumpableObject base struct.
+ *
+ * Note: when dumping from a pre-9.2 server, which lacks the acldefault()
+ * function, acldefault will be NULL or empty.
+ */
+typedef struct _dumpableAcl
+{
+    char       *acl;            /* the object's actual ACL string */
+    char       *acldefault;        /* default ACL for the object's type & owner */
+    /* these fields come from the object's pg_init_privs entry, if any: */
+    char        privtype;        /* entry type, 'i' or 'e'; 0 if no entry */
+    char       *initprivs;        /* the object's initial ACL string, or NULL */
+} DumpableAcl;
+
+/* Generic struct that can be used to access any object type having an ACL */
+typedef struct _dumpableObjectWithAcl
+{
+    DumpableObject dobj;
+    DumpableAcl dacl;
+} DumpableObjectWithAcl;
+
 typedef struct _namespaceInfo
 {
     DumpableObject dobj;
+    DumpableAcl dacl;
     bool        create;            /* CREATE SCHEMA, or just set owner? */
     Oid            nspowner;
     char       *rolname;        /* name of owner, or empty string */
-    char       *nspacl;
-    char       *rnspacl;
-    char       *initnspacl;
-    char       *initrnspacl;
 } NamespaceInfo;

 typedef struct _extensionInfo
@@ -170,6 +190,7 @@ typedef struct _extensionInfo
 typedef struct _typeInfo
 {
     DumpableObject dobj;
+    DumpableAcl dacl;

     /*
      * Note: dobj.name is the raw pg_type.typname entry.  ftypname is the
@@ -178,10 +199,6 @@ typedef struct _typeInfo
      */
     char       *ftypname;
     char       *rolname;        /* name of owner, or empty string */
-    char       *typacl;
-    char       *rtypacl;
-    char       *inittypacl;
-    char       *initrtypacl;
     Oid            typelem;
     Oid            typrelid;
     char        typrelkind;        /* 'r', 'v', 'c', etc */
@@ -206,15 +223,12 @@ typedef struct _shellTypeInfo
 typedef struct _funcInfo
 {
     DumpableObject dobj;
+    DumpableAcl dacl;
     char       *rolname;        /* name of owner, or empty string */
     Oid            lang;
     int            nargs;
     Oid           *argtypes;
     Oid            prorettype;
-    char       *proacl;
-    char       *rproacl;
-    char       *initproacl;
-    char       *initrproacl;
 } FuncInfo;

 /* AggInfo is a superset of FuncInfo */
@@ -269,11 +283,8 @@ typedef struct _tableInfo
      * These fields are collected for every table in the database.
      */
     DumpableObject dobj;
+    DumpableAcl dacl;
     char       *rolname;        /* name of owner, or empty string */
-    char       *relacl;
-    char       *rrelacl;
-    char       *initrelacl;
-    char       *initrrelacl;
     char        relkind;
     char        relpersistence; /* relation persistence */
     bool        relispopulated; /* relation is populated */
@@ -285,6 +296,7 @@ typedef struct _tableInfo
     bool        hasindex;        /* does it have any indexes? */
     bool        hasrules;        /* does it have any rules? */
     bool        hastriggers;    /* does it have any triggers? */
+    bool        hascolumnACLs;    /* do any columns have non-default ACLs? */
     bool        rowsec;            /* is row security enabled? */
     bool        forcerowsec;    /* is row security forced? */
     bool        hasoids;        /* does it have OIDs? */
@@ -477,14 +489,11 @@ typedef struct _constraintInfo
 typedef struct _procLangInfo
 {
     DumpableObject dobj;
+    DumpableAcl dacl;
     bool        lanpltrusted;
     Oid            lanplcallfoid;
     Oid            laninline;
     Oid            lanvalidator;
-    char       *lanacl;
-    char       *rlanacl;
-    char       *initlanacl;
-    char       *initrlanacl;
     char       *lanowner;        /* name of owner, or empty string */
 } ProcLangInfo;

@@ -549,49 +558,37 @@ typedef struct _cfgInfo
 typedef struct _fdwInfo
 {
     DumpableObject dobj;
+    DumpableAcl dacl;
     char       *rolname;
     char       *fdwhandler;
     char       *fdwvalidator;
     char       *fdwoptions;
-    char       *fdwacl;
-    char       *rfdwacl;
-    char       *initfdwacl;
-    char       *initrfdwacl;
 } FdwInfo;

 typedef struct _foreignServerInfo
 {
     DumpableObject dobj;
+    DumpableAcl dacl;
     char       *rolname;
     Oid            srvfdw;
     char       *srvtype;
     char       *srvversion;
-    char       *srvacl;
-    char       *rsrvacl;
-    char       *initsrvacl;
-    char       *initrsrvacl;
     char       *srvoptions;
 } ForeignServerInfo;

 typedef struct _defaultACLInfo
 {
     DumpableObject dobj;
+    DumpableAcl dacl;
     char       *defaclrole;
     char        defaclobjtype;
-    char       *defaclacl;
-    char       *rdefaclacl;
-    char       *initdefaclacl;
-    char       *initrdefaclacl;
 } DefaultACLInfo;

 typedef struct _blobInfo
 {
     DumpableObject dobj;
+    DumpableAcl dacl;
     char       *rolname;
-    char       *blobacl;
-    char       *rblobacl;
-    char       *initblobacl;
-    char       *initrblobacl;
 } BlobInfo;

 /*
diff --git a/src/bin/pg_dump/pg_dumpall.c b/src/bin/pg_dump/pg_dumpall.c
index c29101704a..44114f3f71 100644
--- a/src/bin/pg_dump/pg_dumpall.c
+++ b/src/bin/pg_dump/pg_dumpall.c
@@ -1166,55 +1166,12 @@ dumpTablespaces(PGconn *conn)
     /*
      * Get all tablespaces except built-in ones (which we assume are named
      * pg_xxx)
-     *
-     * For the tablespace ACLs, as of 9.6, we extract both the positive (as
-     * spcacl) and negative (as rspcacl) ACLs, relative to the default ACL for
-     * tablespaces, which are then passed to buildACLCommands() below.
-     *
-     * See buildACLQueries() and buildACLCommands().
-     *
-     * The order in which privileges are in the ACL string (the order they
-     * have been GRANT'd in, which the backend maintains) must be preserved to
-     * ensure that GRANTs WITH GRANT OPTION and subsequent GRANTs based on
-     * those are dumped in the correct order.
-     *
-     * Note that we do not support initial privileges (pg_init_privs) on
-     * tablespaces, so this logic cannot make use of buildACLQueries().
      */
-    if (server_version >= 90600)
-        res = executeQuery(conn, "SELECT oid, spcname, "
-                           "pg_catalog.pg_get_userbyid(spcowner) AS spcowner, "
-                           "pg_catalog.pg_tablespace_location(oid), "
-                           "(SELECT array_agg(acl ORDER BY row_n) FROM "
-                           "  (SELECT acl, row_n FROM "
-                           "     unnest(coalesce(spcacl,acldefault('t',spcowner))) "
-                           "     WITH ORDINALITY AS perm(acl,row_n) "
-                           "   WHERE NOT EXISTS ( "
-                           "     SELECT 1 "
-                           "     FROM unnest(acldefault('t',spcowner)) "
-                           "       AS init(init_acl) "
-                           "     WHERE acl = init_acl)) AS spcacls) "
-                           " AS spcacl, "
-                           "(SELECT array_agg(acl ORDER BY row_n) FROM "
-                           "  (SELECT acl, row_n FROM "
-                           "     unnest(acldefault('t',spcowner)) "
-                           "     WITH ORDINALITY AS initp(acl,row_n) "
-                           "   WHERE NOT EXISTS ( "
-                           "     SELECT 1 "
-                           "     FROM unnest(coalesce(spcacl,acldefault('t',spcowner))) "
-                           "       AS permp(orig_acl) "
-                           "     WHERE acl = orig_acl)) AS rspcacls) "
-                           " AS rspcacl, "
-                           "array_to_string(spcoptions, ', '),"
-                           "pg_catalog.shobj_description(oid, 'pg_tablespace') "
-                           "FROM pg_catalog.pg_tablespace "
-                           "WHERE spcname !~ '^pg_' "
-                           "ORDER BY 1");
-    else if (server_version >= 90200)
+    if (server_version >= 90200)
         res = executeQuery(conn, "SELECT oid, spcname, "
                            "pg_catalog.pg_get_userbyid(spcowner) AS spcowner, "
                            "pg_catalog.pg_tablespace_location(oid), "
-                           "spcacl, '' as rspcacl, "
+                           "spcacl, acldefault('t', spcowner) AS acldefault, "
                            "array_to_string(spcoptions, ', '),"
                            "pg_catalog.shobj_description(oid, 'pg_tablespace') "
                            "FROM pg_catalog.pg_tablespace "
@@ -1223,7 +1180,7 @@ dumpTablespaces(PGconn *conn)
     else if (server_version >= 90000)
         res = executeQuery(conn, "SELECT oid, spcname, "
                            "pg_catalog.pg_get_userbyid(spcowner) AS spcowner, "
-                           "spclocation, spcacl, '' as rspcacl, "
+                           "spclocation, spcacl, NULL AS acldefault, "
                            "array_to_string(spcoptions, ', '),"
                            "pg_catalog.shobj_description(oid, 'pg_tablespace') "
                            "FROM pg_catalog.pg_tablespace "
@@ -1232,7 +1189,7 @@ dumpTablespaces(PGconn *conn)
     else if (server_version >= 80200)
         res = executeQuery(conn, "SELECT oid, spcname, "
                            "pg_catalog.pg_get_userbyid(spcowner) AS spcowner, "
-                           "spclocation, spcacl, '' as rspcacl, null, "
+                           "spclocation, spcacl, NULL AS acldefault, null, "
                            "pg_catalog.shobj_description(oid, 'pg_tablespace') "
                            "FROM pg_catalog.pg_tablespace "
                            "WHERE spcname !~ '^pg_' "
@@ -1240,7 +1197,7 @@ dumpTablespaces(PGconn *conn)
     else
         res = executeQuery(conn, "SELECT oid, spcname, "
                            "pg_catalog.pg_get_userbyid(spcowner) AS spcowner, "
-                           "spclocation, spcacl, '' as rspcacl, "
+                           "spclocation, spcacl, NULL AS acldefault, "
                            "null, null "
                            "FROM pg_catalog.pg_tablespace "
                            "WHERE spcname !~ '^pg_' "
@@ -1257,7 +1214,7 @@ dumpTablespaces(PGconn *conn)
         char       *spcowner = PQgetvalue(res, i, 2);
         char       *spclocation = PQgetvalue(res, i, 3);
         char       *spcacl = PQgetvalue(res, i, 4);
-        char       *rspcacl = PQgetvalue(res, i, 5);
+        char       *acldefault = PQgetvalue(res, i, 5);
         char       *spcoptions = PQgetvalue(res, i, 6);
         char       *spccomment = PQgetvalue(res, i, 7);
         char       *fspcname;
@@ -1276,9 +1233,11 @@ dumpTablespaces(PGconn *conn)
             appendPQExpBuffer(buf, "ALTER TABLESPACE %s SET (%s);\n",
                               fspcname, spcoptions);

+        /* tablespaces can't have initprivs */
+
         if (!skip_acls &&
             !buildACLCommands(fspcname, NULL, NULL, "TABLESPACE",
-                              spcacl, rspcacl,
+                              spcacl, acldefault,
                               spcowner, "", server_version, buf))
         {
             pg_log_error("could not parse ACL list (%s) for tablespace \"%s\"",
diff --git a/src/fe_utils/string_utils.c b/src/fe_utils/string_utils.c
index 3efee4e7ee..81e623602e 100644
--- a/src/fe_utils/string_utils.c
+++ b/src/fe_utils/string_utils.c
@@ -726,6 +726,69 @@ parsePGArray(const char *atext, char ***itemarray, int *nitems)
 }


+/*
+ * Append one element to the text representation of a 1-dimensional Postgres
+ * array.
+ *
+ * The caller must provide the initial '{' and closing '}' of the array.
+ * This function handles all else, including insertion of commas and
+ * quoting of values.
+ *
+ * We assume that typdelim is ','.
+ */
+void
+appendPGArray(PQExpBuffer buffer, const char *value)
+{
+    bool        needquote;
+    const char *tmp;
+
+    if (buffer->data[buffer->len - 1] != '{')
+        appendPQExpBufferChar(buffer, ',');
+
+    /* Decide if we need quotes; this should match array_out()'s choices. */
+    if (value[0] == '\0')
+        needquote = true;        /* force quotes for empty string */
+    else if (pg_strcasecmp(value, "NULL") == 0)
+        needquote = true;        /* force quotes for literal NULL */
+    else
+        needquote = false;
+
+    if (!needquote)
+    {
+        for (tmp = value; *tmp; tmp++)
+        {
+            char        ch = *tmp;
+
+            if (ch == '"' || ch == '\\' ||
+                ch == '{' || ch == '}' || ch == ',' ||
+            /* these match array_isspace(): */
+                ch == ' ' || ch == '\t' || ch == '\n' ||
+                ch == '\r' || ch == '\v' || ch == '\f')
+            {
+                needquote = true;
+                break;
+            }
+        }
+    }
+
+    if (needquote)
+    {
+        appendPQExpBufferChar(buffer, '"');
+        for (tmp = value; *tmp; tmp++)
+        {
+            char        ch = *tmp;
+
+            if (ch == '"' || ch == '\\')
+                appendPQExpBufferChar(buffer, '\\');
+            appendPQExpBufferChar(buffer, ch);
+        }
+        appendPQExpBufferChar(buffer, '"');
+    }
+    else
+        appendPQExpBufferStr(buffer, value);
+}
+
+
 /*
  * Format a reloptions array and append it to the given buffer.
  *
diff --git a/src/include/fe_utils/string_utils.h b/src/include/fe_utils/string_utils.h
index caafb97d29..e12e61cddb 100644
--- a/src/include/fe_utils/string_utils.h
+++ b/src/include/fe_utils/string_utils.h
@@ -46,6 +46,7 @@ extern void appendConnStrVal(PQExpBuffer buf, const char *str);
 extern void appendPsqlMetaConnect(PQExpBuffer buf, const char *dbname);

 extern bool parsePGArray(const char *atext, char ***itemarray, int *nitems);
+extern void appendPGArray(PQExpBuffer buffer, const char *value);

 extern bool appendReloptionsArray(PQExpBuffer buffer, const char *reloptions,
                                   const char *prefix, int encoding, bool std_strings);
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 607abb97d3..d6075133a1 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -6110,20 +6110,23 @@ getTables(Archive *fout, int *numTables)
     int            i_is_identity_sequence;
     int            i_relacl;
     int            i_acldefault;
-    int            i_partkeydef;
     int            i_ispartition;
-    int            i_partbound;

     /*
      * Find all the tables and table-like objects.
      *
+     * We must fetch all tables in this phase because otherwise we cannot
+     * correctly identify inherited columns, owned sequences, etc.
+     *
      * We include system catalogs, so that we can work if a user table is
      * defined to inherit from a system catalog (pretty weird, but...)
      *
      * Note: in this phase we should collect only a minimal amount of
      * information about each table, basically just enough to decide if it is
-     * interesting. We must fetch all tables in this phase because otherwise
-     * we cannot correctly identify inherited columns, owned sequences, etc.
+     * interesting.  In particular, since we do not yet have lock on any user
+     * table, we MUST NOT invoke any server-side data collection functions
+     * (for instance, pg_get_partkeydef()).  Those are likely to fail or give
+     * wrong answers if any concurrent DDL is happening.
      */

     appendPQExpBuffer(query,
@@ -6217,10 +6220,10 @@ getTables(Archive *fout, int *numTables)

     if (fout->remoteVersion >= 90000)
         appendPQExpBufferStr(query,
-                             "CASE WHEN c.reloftype <> 0 THEN c.reloftype::pg_catalog.regtype ELSE NULL END AS
reloftype,"); 
+                             "c.reloftype, ");
     else
         appendPQExpBufferStr(query,
-                             "NULL AS reloftype, ");
+                             "0 AS reloftype, ");

     if (fout->remoteVersion >= 90100)
         appendPQExpBufferStr(query,
@@ -6261,14 +6264,10 @@ getTables(Archive *fout, int *numTables)

     if (fout->remoteVersion >= 100000)
         appendPQExpBufferStr(query,
-                             "pg_get_partkeydef(c.oid) AS partkeydef, "
-                             "c.relispartition AS ispartition, "
-                             "pg_get_expr(c.relpartbound, c.oid) AS partbound ");
+                             "c.relispartition AS ispartition ");
     else
         appendPQExpBufferStr(query,
-                             "NULL AS partkeydef, "
-                             "false AS ispartition, "
-                             "NULL AS partbound ");
+                             "false AS ispartition ");

     /*
      * Left join to pg_depend to pick up dependency info linking sequences to
@@ -6377,9 +6376,7 @@ getTables(Archive *fout, int *numTables)
     i_is_identity_sequence = PQfnumber(res, "is_identity_sequence");
     i_relacl = PQfnumber(res, "relacl");
     i_acldefault = PQfnumber(res, "acldefault");
-    i_partkeydef = PQfnumber(res, "partkeydef");
     i_ispartition = PQfnumber(res, "ispartition");
-    i_partbound = PQfnumber(res, "partbound");

     if (dopt->lockWaitTimeout)
     {
@@ -6445,19 +6442,14 @@ getTables(Archive *fout, int *numTables)
         else
             tblinfo[i].checkoption = pg_strdup(PQgetvalue(res, i, i_checkoption));
         tblinfo[i].toast_reloptions = pg_strdup(PQgetvalue(res, i, i_toastreloptions));
-        if (PQgetisnull(res, i, i_reloftype))
-            tblinfo[i].reloftype = NULL;
-        else
-            tblinfo[i].reloftype = pg_strdup(PQgetvalue(res, i, i_reloftype));
+        tblinfo[i].reloftype = atooid(PQgetvalue(res, i, i_reloftype));
         tblinfo[i].foreign_server = atooid(PQgetvalue(res, i, i_foreignserver));
         if (PQgetisnull(res, i, i_amname))
             tblinfo[i].amname = NULL;
         else
             tblinfo[i].amname = pg_strdup(PQgetvalue(res, i, i_amname));
         tblinfo[i].is_identity_sequence = (strcmp(PQgetvalue(res, i, i_is_identity_sequence), "t") == 0);
-        tblinfo[i].partkeydef = pg_strdup(PQgetvalue(res, i, i_partkeydef));
         tblinfo[i].ispartition = (strcmp(PQgetvalue(res, i, i_ispartition), "t") == 0);
-        tblinfo[i].partbound = pg_strdup(PQgetvalue(res, i, i_partbound));

         /* other fields were zeroed above */

@@ -15485,12 +15477,34 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
     }
     else
     {
+        char       *partkeydef = NULL;
         char       *ftoptions = NULL;
         char       *srvname = NULL;
         char       *foreign = "";

+        /*
+         * Set reltypename, and collect any relkind-specific data that we
+         * didn't fetch during getTables().
+         */
         switch (tbinfo->relkind)
         {
+            case RELKIND_PARTITIONED_TABLE:
+                {
+                    PQExpBuffer query = createPQExpBuffer();
+                    PGresult   *res;
+
+                    reltypename = "TABLE";
+
+                    /* retrieve partition key definition */
+                    appendPQExpBuffer(query,
+                                      "SELECT pg_get_partkeydef('%u')",
+                                      tbinfo->dobj.catId.oid);
+                    res = ExecuteSqlQueryForSingleRow(fout, query->data);
+                    partkeydef = pg_strdup(PQgetvalue(res, 0, 0));
+                    PQclear(res);
+                    destroyPQExpBuffer(query);
+                    break;
+                }
             case RELKIND_FOREIGN_TABLE:
                 {
                     PQExpBuffer query = createPQExpBuffer();
@@ -15530,6 +15544,7 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
                 break;
             default:
                 reltypename = "TABLE";
+                break;
         }

         numParents = tbinfo->numParents;
@@ -15551,8 +15566,10 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
          * Attach to type, if reloftype; except in case of a binary upgrade,
          * we dump the table normally and attach it to the type afterward.
          */
-        if (tbinfo->reloftype && !dopt->binary_upgrade)
-            appendPQExpBuffer(q, " OF %s", tbinfo->reloftype);
+        if (OidIsValid(tbinfo->reloftype) && !dopt->binary_upgrade)
+            appendPQExpBuffer(q, " OF %s",
+                              getFormattedTypeName(fout, tbinfo->reloftype,
+                                                   zeroIsError));

         if (tbinfo->relkind != RELKIND_MATVIEW)
         {
@@ -15590,7 +15607,8 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
                      * Skip column if fully defined by reloftype, except in
                      * binary upgrade
                      */
-                    if (tbinfo->reloftype && !print_default && !print_notnull &&
+                    if (OidIsValid(tbinfo->reloftype) &&
+                        !print_default && !print_notnull &&
                         !dopt->binary_upgrade)
                         continue;

@@ -15623,7 +15641,7 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
                      * table ('OF type_name'), but in binary-upgrade mode,
                      * print it in that case too.
                      */
-                    if (dopt->binary_upgrade || !tbinfo->reloftype)
+                    if (dopt->binary_upgrade || !OidIsValid(tbinfo->reloftype))
                     {
                         appendPQExpBuffer(q, " %s",
                                           tbinfo->atttypnames[j]);
@@ -15686,7 +15704,7 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)

             if (actual_atts)
                 appendPQExpBufferStr(q, "\n)");
-            else if (!(tbinfo->reloftype && !dopt->binary_upgrade))
+            else if (!(OidIsValid(tbinfo->reloftype) && !dopt->binary_upgrade))
             {
                 /*
                  * No attributes? we must have a parenthesized attribute list,
@@ -15715,7 +15733,7 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
             }

             if (tbinfo->relkind == RELKIND_PARTITIONED_TABLE)
-                appendPQExpBuffer(q, "\nPARTITION BY %s", tbinfo->partkeydef);
+                appendPQExpBuffer(q, "\nPARTITION BY %s", partkeydef);

             if (tbinfo->relkind == RELKIND_FOREIGN_TABLE)
                 appendPQExpBuffer(q, "\nSERVER %s", fmtId(srvname));
@@ -15898,12 +15916,13 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
                 }
             }

-            if (tbinfo->reloftype)
+            if (OidIsValid(tbinfo->reloftype))
             {
                 appendPQExpBufferStr(q, "\n-- For binary upgrade, set up typed tables this way.\n");
                 appendPQExpBuffer(q, "ALTER TABLE ONLY %s OF %s;\n",
                                   qualrelname,
-                                  tbinfo->reloftype);
+                                  getFormattedTypeName(fout, tbinfo->reloftype,
+                                                       zeroIsError));
             }
         }

@@ -16076,6 +16095,8 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
                                   tbinfo->attfdwoptions[j]);
         }                        /* end loop over columns */

+        if (partkeydef)
+            free(partkeydef);
         if (ftoptions)
             free(ftoptions);
         if (srvname)
@@ -16183,6 +16204,8 @@ dumpTableAttach(Archive *fout, const TableAttachInfo *attachinfo)
 {
     DumpOptions *dopt = fout->dopt;
     PQExpBuffer q;
+    PGresult   *res;
+    char       *partbound;

     /* Do nothing in data-only dump */
     if (dopt->dataOnly)
@@ -16193,14 +16216,23 @@ dumpTableAttach(Archive *fout, const TableAttachInfo *attachinfo)

     q = createPQExpBuffer();

-    /* Perform ALTER TABLE on the parent */
+    /* Fetch the partition's partbound */
     appendPQExpBuffer(q,
+                      "SELECT pg_get_expr(c.relpartbound, c.oid) "
+                      "FROM pg_class c "
+                      "WHERE c.oid = '%u'",
+                      attachinfo->partitionTbl->dobj.catId.oid);
+    res = ExecuteSqlQueryForSingleRow(fout, q->data);
+    partbound = PQgetvalue(res, 0, 0);
+
+    /* Perform ALTER TABLE on the parent */
+    printfPQExpBuffer(q,
                       "ALTER TABLE ONLY %s ",
                       fmtQualifiedDumpable(attachinfo->parentTbl));
     appendPQExpBuffer(q,
                       "ATTACH PARTITION %s %s;\n",
                       fmtQualifiedDumpable(attachinfo->partitionTbl),
-                      attachinfo->partitionTbl->partbound);
+                      partbound);

     /*
      * There is no point in creating a drop query as the drop is done by table
@@ -16217,6 +16249,7 @@ dumpTableAttach(Archive *fout, const TableAttachInfo *attachinfo)
                               .section = SECTION_PRE_DATA,
                               .createStmt = q->data));

+    PQclear(res);
     destroyPQExpBuffer(q);
 }

diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index e3b864f6ba..9061812c08 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -307,7 +307,7 @@ typedef struct _tableInfo
     uint32        toast_minmxid;    /* toast table's relminmxid */
     int            ncheck;            /* # of CHECK expressions */
     Oid            reltype;        /* OID of table's composite type, if any */
-    char       *reloftype;        /* underlying type for typed table */
+    Oid            reloftype;        /* underlying type for typed table */
     Oid            foreign_server; /* foreign server oid, if applicable */
     /* these two are set only if table is a sequence owned by a column: */
     Oid            owning_tab;        /* OID of table owning sequence */
@@ -346,8 +346,6 @@ typedef struct _tableInfo
     bool       *inhNotNull;        /* true if NOT NULL is inherited */
     struct _attrDefInfo **attrdefs; /* DEFAULT expressions */
     struct _constraintInfo *checkexprs; /* CHECK constraints */
-    char       *partkeydef;        /* partition key definition */
-    char       *partbound;        /* partition bound definition */
     bool        needs_override; /* has GENERATED ALWAYS AS IDENTITY */
     char       *amname;            /* relation access method */

diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index d6075133a1..45bae2ffe1 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -6650,13 +6650,15 @@ getInherits(Archive *fout, int *numInherits)
 void
 getIndexes(Archive *fout, TableInfo tblinfo[], int numTables)
 {
-    int            i,
-                j;
     PQExpBuffer query = createPQExpBuffer();
+    PQExpBuffer tbloids = createPQExpBuffer();
     PGresult   *res;
+    int            ntups;
+    int            curtblindx;
     IndxInfo   *indxinfo;
     int            i_tableoid,
                 i_oid,
+                i_indrelid,
                 i_indexname,
                 i_parentidx,
                 i_indexdef,
@@ -6676,9 +6678,17 @@ getIndexes(Archive *fout, TableInfo tblinfo[], int numTables)
                 i_indreloptions,
                 i_indstatcols,
                 i_indstatvals;
-    int            ntups;

-    for (i = 0; i < numTables; i++)
+    /*
+     * We want to perform just one query against pg_index.  However, we
+     * mustn't try to select every row of the catalog and then sort it out on
+     * the client side, because some of the server-side functions we need
+     * would be unsafe to apply to tables we don't have lock on.  Hence, we
+     * build an array of the OIDs of tables we care about (and now have lock
+     * on!), and use a WHERE clause to constrain which rows are selected.
+     */
+    appendPQExpBufferChar(tbloids, '{');
+    for (int i = 0; i < numTables; i++)
     {
         TableInfo  *tbinfo = &tblinfo[i];

@@ -6691,232 +6701,270 @@ getIndexes(Archive *fout, TableInfo tblinfo[], int numTables)
         if (!tbinfo->interesting)
             continue;

-        pg_log_info("reading indexes for table \"%s.%s\"",
-                    tbinfo->dobj.namespace->dobj.name,
-                    tbinfo->dobj.name);
+        /* OK, we need info for this table */
+        if (tbloids->len > 1)
+            appendPQExpBufferChar(tbloids, ',');
+        appendPQExpBuffer(tbloids, "%u", tbinfo->dobj.catId.oid);
+    }
+    appendPQExpBufferChar(tbloids, '}');

+    /*
+     * The point of the messy-looking outer join is to find a constraint that
+     * is related by an internal dependency link to the index. If we find one,
+     * create a CONSTRAINT entry linked to the INDEX entry.  We assume an
+     * index won't have more than one internal dependency.
+     *
+     * As of 9.0 we don't need to look at pg_depend but can check for a match
+     * to pg_constraint.conindid.  The check on conrelid is redundant but
+     * useful because that column is indexed while conindid is not.
+     */
+    if (fout->remoteVersion >= 110000)
+    {
+        appendPQExpBuffer(query,
+                          "SELECT t.tableoid, t.oid, i.indrelid, "
+                          "t.relname AS indexname, "
+                          "inh.inhparent AS parentidx, "
+                          "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
+                          "i.indnkeyatts AS indnkeyatts, "
+                          "i.indnatts AS indnatts, "
+                          "i.indkey, i.indisclustered, "
+                          "i.indisreplident, "
+                          "c.contype, c.conname, "
+                          "c.condeferrable, c.condeferred, "
+                          "c.tableoid AS contableoid, "
+                          "c.oid AS conoid, "
+                          "pg_catalog.pg_get_constraintdef(c.oid, false) AS condef, "
+                          "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
+                          "t.reloptions AS indreloptions, "
+                          "(SELECT pg_catalog.array_agg(attnum ORDER BY attnum) "
+                          "  FROM pg_catalog.pg_attribute "
+                          "  WHERE attrelid = i.indexrelid AND "
+                          "    attstattarget >= 0) AS indstatcols,"
+                          "(SELECT pg_catalog.array_agg(attstattarget ORDER BY attnum) "
+                          "  FROM pg_catalog.pg_attribute "
+                          "  WHERE attrelid = i.indexrelid AND "
+                          "    attstattarget >= 0) AS indstatvals "
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_index i ON (src.tbloid = i.indrelid) "
+                          "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
+                          "JOIN pg_catalog.pg_class t2 ON (t2.oid = i.indrelid) "
+                          "LEFT JOIN pg_catalog.pg_constraint c "
+                          "ON (i.indrelid = c.conrelid AND "
+                          "i.indexrelid = c.conindid AND "
+                          "c.contype IN ('p','u','x')) "
+                          "LEFT JOIN pg_catalog.pg_inherits inh "
+                          "ON (inh.inhrelid = indexrelid) "
+                          "WHERE (i.indisvalid OR t2.relkind = 'p') "
+                          "AND i.indisready "
+                          "ORDER BY i.indrelid, indexname",
+                          tbloids->data);
+    }
+    else if (fout->remoteVersion >= 90400)
+    {
         /*
-         * The point of the messy-looking outer join is to find a constraint
-         * that is related by an internal dependency link to the index. If we
-         * find one, create a CONSTRAINT entry linked to the INDEX entry.  We
-         * assume an index won't have more than one internal dependency.
-         *
-         * As of 9.0 we don't need to look at pg_depend but can check for a
-         * match to pg_constraint.conindid.  The check on conrelid is
-         * redundant but useful because that column is indexed while conindid
-         * is not.
+         * the test on indisready is necessary in 9.2, and harmless in
+         * earlier/later versions
          */
-        resetPQExpBuffer(query);
-        if (fout->remoteVersion >= 110000)
-        {
-            appendPQExpBuffer(query,
-                              "SELECT t.tableoid, t.oid, "
-                              "t.relname AS indexname, "
-                              "inh.inhparent AS parentidx, "
-                              "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
-                              "i.indnkeyatts AS indnkeyatts, "
-                              "i.indnatts AS indnatts, "
-                              "i.indkey, i.indisclustered, "
-                              "i.indisreplident, "
-                              "c.contype, c.conname, "
-                              "c.condeferrable, c.condeferred, "
-                              "c.tableoid AS contableoid, "
-                              "c.oid AS conoid, "
-                              "pg_catalog.pg_get_constraintdef(c.oid, false) AS condef, "
-                              "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
-                              "t.reloptions AS indreloptions, "
-                              "(SELECT pg_catalog.array_agg(attnum ORDER BY attnum) "
-                              "  FROM pg_catalog.pg_attribute "
-                              "  WHERE attrelid = i.indexrelid AND "
-                              "    attstattarget >= 0) AS indstatcols,"
-                              "(SELECT pg_catalog.array_agg(attstattarget ORDER BY attnum) "
-                              "  FROM pg_catalog.pg_attribute "
-                              "  WHERE attrelid = i.indexrelid AND "
-                              "    attstattarget >= 0) AS indstatvals "
-                              "FROM pg_catalog.pg_index i "
-                              "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
-                              "JOIN pg_catalog.pg_class t2 ON (t2.oid = i.indrelid) "
-                              "LEFT JOIN pg_catalog.pg_constraint c "
-                              "ON (i.indrelid = c.conrelid AND "
-                              "i.indexrelid = c.conindid AND "
-                              "c.contype IN ('p','u','x')) "
-                              "LEFT JOIN pg_catalog.pg_inherits inh "
-                              "ON (inh.inhrelid = indexrelid) "
-                              "WHERE i.indrelid = '%u'::pg_catalog.oid "
-                              "AND (i.indisvalid OR t2.relkind = 'p') "
-                              "AND i.indisready "
-                              "ORDER BY indexname",
-                              tbinfo->dobj.catId.oid);
-        }
-        else if (fout->remoteVersion >= 90400)
-        {
-            /*
-             * the test on indisready is necessary in 9.2, and harmless in
-             * earlier/later versions
-             */
-            appendPQExpBuffer(query,
-                              "SELECT t.tableoid, t.oid, "
-                              "t.relname AS indexname, "
-                              "0 AS parentidx, "
-                              "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
-                              "i.indnatts AS indnkeyatts, "
-                              "i.indnatts AS indnatts, "
-                              "i.indkey, i.indisclustered, "
-                              "i.indisreplident, "
-                              "c.contype, c.conname, "
-                              "c.condeferrable, c.condeferred, "
-                              "c.tableoid AS contableoid, "
-                              "c.oid AS conoid, "
-                              "pg_catalog.pg_get_constraintdef(c.oid, false) AS condef, "
-                              "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
-                              "t.reloptions AS indreloptions, "
-                              "'' AS indstatcols, "
-                              "'' AS indstatvals "
-                              "FROM pg_catalog.pg_index i "
-                              "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
-                              "LEFT JOIN pg_catalog.pg_constraint c "
-                              "ON (i.indrelid = c.conrelid AND "
-                              "i.indexrelid = c.conindid AND "
-                              "c.contype IN ('p','u','x')) "
-                              "WHERE i.indrelid = '%u'::pg_catalog.oid "
-                              "AND i.indisvalid AND i.indisready "
-                              "ORDER BY indexname",
-                              tbinfo->dobj.catId.oid);
-        }
-        else if (fout->remoteVersion >= 90000)
-        {
-            /*
-             * the test on indisready is necessary in 9.2, and harmless in
-             * earlier/later versions
-             */
-            appendPQExpBuffer(query,
-                              "SELECT t.tableoid, t.oid, "
-                              "t.relname AS indexname, "
-                              "0 AS parentidx, "
-                              "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
-                              "i.indnatts AS indnkeyatts, "
-                              "i.indnatts AS indnatts, "
-                              "i.indkey, i.indisclustered, "
-                              "false AS indisreplident, "
-                              "c.contype, c.conname, "
-                              "c.condeferrable, c.condeferred, "
-                              "c.tableoid AS contableoid, "
-                              "c.oid AS conoid, "
-                              "pg_catalog.pg_get_constraintdef(c.oid, false) AS condef, "
-                              "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
-                              "t.reloptions AS indreloptions, "
-                              "'' AS indstatcols, "
-                              "'' AS indstatvals "
-                              "FROM pg_catalog.pg_index i "
-                              "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
-                              "LEFT JOIN pg_catalog.pg_constraint c "
-                              "ON (i.indrelid = c.conrelid AND "
-                              "i.indexrelid = c.conindid AND "
-                              "c.contype IN ('p','u','x')) "
-                              "WHERE i.indrelid = '%u'::pg_catalog.oid "
-                              "AND i.indisvalid AND i.indisready "
-                              "ORDER BY indexname",
-                              tbinfo->dobj.catId.oid);
-        }
-        else if (fout->remoteVersion >= 80200)
-        {
-            appendPQExpBuffer(query,
-                              "SELECT t.tableoid, t.oid, "
-                              "t.relname AS indexname, "
-                              "0 AS parentidx, "
-                              "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
-                              "i.indnatts AS indnkeyatts, "
-                              "i.indnatts AS indnatts, "
-                              "i.indkey, i.indisclustered, "
-                              "false AS indisreplident, "
-                              "c.contype, c.conname, "
-                              "c.condeferrable, c.condeferred, "
-                              "c.tableoid AS contableoid, "
-                              "c.oid AS conoid, "
-                              "null AS condef, "
-                              "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
-                              "t.reloptions AS indreloptions, "
-                              "'' AS indstatcols, "
-                              "'' AS indstatvals "
-                              "FROM pg_catalog.pg_index i "
-                              "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
-                              "LEFT JOIN pg_catalog.pg_depend d "
-                              "ON (d.classid = t.tableoid "
-                              "AND d.objid = t.oid "
-                              "AND d.deptype = 'i') "
-                              "LEFT JOIN pg_catalog.pg_constraint c "
-                              "ON (d.refclassid = c.tableoid "
-                              "AND d.refobjid = c.oid) "
-                              "WHERE i.indrelid = '%u'::pg_catalog.oid "
-                              "AND i.indisvalid "
-                              "ORDER BY indexname",
-                              tbinfo->dobj.catId.oid);
-        }
-        else
-        {
-            appendPQExpBuffer(query,
-                              "SELECT t.tableoid, t.oid, "
-                              "t.relname AS indexname, "
-                              "0 AS parentidx, "
-                              "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
-                              "t.relnatts AS indnkeyatts, "
-                              "t.relnatts AS indnatts, "
-                              "i.indkey, i.indisclustered, "
-                              "false AS indisreplident, "
-                              "c.contype, c.conname, "
-                              "c.condeferrable, c.condeferred, "
-                              "c.tableoid AS contableoid, "
-                              "c.oid AS conoid, "
-                              "null AS condef, "
-                              "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
-                              "null AS indreloptions, "
-                              "'' AS indstatcols, "
-                              "'' AS indstatvals "
-                              "FROM pg_catalog.pg_index i "
-                              "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
-                              "LEFT JOIN pg_catalog.pg_depend d "
-                              "ON (d.classid = t.tableoid "
-                              "AND d.objid = t.oid "
-                              "AND d.deptype = 'i') "
-                              "LEFT JOIN pg_catalog.pg_constraint c "
-                              "ON (d.refclassid = c.tableoid "
-                              "AND d.refobjid = c.oid) "
-                              "WHERE i.indrelid = '%u'::pg_catalog.oid "
-                              "ORDER BY indexname",
-                              tbinfo->dobj.catId.oid);
-        }
+        appendPQExpBuffer(query,
+                          "SELECT t.tableoid, t.oid, i.indrelid, "
+                          "t.relname AS indexname, "
+                          "0 AS parentidx, "
+                          "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
+                          "i.indnatts AS indnkeyatts, "
+                          "i.indnatts AS indnatts, "
+                          "i.indkey, i.indisclustered, "
+                          "i.indisreplident, "
+                          "c.contype, c.conname, "
+                          "c.condeferrable, c.condeferred, "
+                          "c.tableoid AS contableoid, "
+                          "c.oid AS conoid, "
+                          "pg_catalog.pg_get_constraintdef(c.oid, false) AS condef, "
+                          "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
+                          "t.reloptions AS indreloptions, "
+                          "'' AS indstatcols, "
+                          "'' AS indstatvals "
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_index i ON (src.tbloid = i.indrelid) "
+                          "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
+                          "LEFT JOIN pg_catalog.pg_constraint c "
+                          "ON (i.indrelid = c.conrelid AND "
+                          "i.indexrelid = c.conindid AND "
+                          "c.contype IN ('p','u','x')) "
+                          "WHERE i.indisvalid AND i.indisready "
+                          "ORDER BY i.indrelid, indexname",
+                          tbloids->data);
+    }
+    else if (fout->remoteVersion >= 90000)
+    {
+        /*
+         * the test on indisready is necessary in 9.2, and harmless in
+         * earlier/later versions
+         */
+        appendPQExpBuffer(query,
+                          "SELECT t.tableoid, t.oid, i.indrelid, "
+                          "t.relname AS indexname, "
+                          "0 AS parentidx, "
+                          "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
+                          "i.indnatts AS indnkeyatts, "
+                          "i.indnatts AS indnatts, "
+                          "i.indkey, i.indisclustered, "
+                          "false AS indisreplident, "
+                          "c.contype, c.conname, "
+                          "c.condeferrable, c.condeferred, "
+                          "c.tableoid AS contableoid, "
+                          "c.oid AS conoid, "
+                          "pg_catalog.pg_get_constraintdef(c.oid, false) AS condef, "
+                          "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
+                          "t.reloptions AS indreloptions, "
+                          "'' AS indstatcols, "
+                          "'' AS indstatvals "
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_index i ON (src.tbloid = i.indrelid) "
+                          "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
+                          "LEFT JOIN pg_catalog.pg_constraint c "
+                          "ON (i.indrelid = c.conrelid AND "
+                          "i.indexrelid = c.conindid AND "
+                          "c.contype IN ('p','u','x')) "
+                          "WHERE i.indisvalid AND i.indisready "
+                          "ORDER BY i.indrelid, indexname",
+                          tbloids->data);
+    }
+    else if (fout->remoteVersion >= 80200)
+    {
+        appendPQExpBuffer(query,
+                          "SELECT t.tableoid, t.oid, i.indrelid, "
+                          "t.relname AS indexname, "
+                          "0 AS parentidx, "
+                          "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
+                          "i.indnatts AS indnkeyatts, "
+                          "i.indnatts AS indnatts, "
+                          "i.indkey, i.indisclustered, "
+                          "false AS indisreplident, "
+                          "c.contype, c.conname, "
+                          "c.condeferrable, c.condeferred, "
+                          "c.tableoid AS contableoid, "
+                          "c.oid AS conoid, "
+                          "null AS condef, "
+                          "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
+                          "t.reloptions AS indreloptions, "
+                          "'' AS indstatcols, "
+                          "'' AS indstatvals "
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_index i ON (src.tbloid = i.indrelid) "
+                          "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
+                          "LEFT JOIN pg_catalog.pg_depend d "
+                          "ON (d.classid = t.tableoid "
+                          "AND d.objid = t.oid "
+                          "AND d.deptype = 'i') "
+                          "LEFT JOIN pg_catalog.pg_constraint c "
+                          "ON (d.refclassid = c.tableoid "
+                          "AND d.refobjid = c.oid) "
+                          "WHERE i.indisvalid "
+                          "ORDER BY i.indrelid, indexname",
+                          tbloids->data);
+    }
+    else
+    {
+        appendPQExpBuffer(query,
+                          "SELECT t.tableoid, t.oid, i.indrelid, "
+                          "t.relname AS indexname, "
+                          "0 AS parentidx, "
+                          "pg_catalog.pg_get_indexdef(i.indexrelid) AS indexdef, "
+                          "t.relnatts AS indnkeyatts, "
+                          "t.relnatts AS indnatts, "
+                          "i.indkey, i.indisclustered, "
+                          "false AS indisreplident, "
+                          "c.contype, c.conname, "
+                          "c.condeferrable, c.condeferred, "
+                          "c.tableoid AS contableoid, "
+                          "c.oid AS conoid, "
+                          "null AS condef, "
+                          "(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS
tablespace," 
+                          "null AS indreloptions, "
+                          "'' AS indstatcols, "
+                          "'' AS indstatvals "
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_index i ON (src.tbloid = i.indrelid) "
+                          "JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
+                          "LEFT JOIN pg_catalog.pg_depend d "
+                          "ON (d.classid = t.tableoid "
+                          "AND d.objid = t.oid "
+                          "AND d.deptype = 'i') "
+                          "LEFT JOIN pg_catalog.pg_constraint c "
+                          "ON (d.refclassid = c.tableoid "
+                          "AND d.refobjid = c.oid) "
+                          "ORDER BY i.indrelid, indexname",
+                          tbloids->data);
+    }

-        res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+    res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);

-        ntups = PQntuples(res);
+    ntups = PQntuples(res);

-        i_tableoid = PQfnumber(res, "tableoid");
-        i_oid = PQfnumber(res, "oid");
-        i_indexname = PQfnumber(res, "indexname");
-        i_parentidx = PQfnumber(res, "parentidx");
-        i_indexdef = PQfnumber(res, "indexdef");
-        i_indnkeyatts = PQfnumber(res, "indnkeyatts");
-        i_indnatts = PQfnumber(res, "indnatts");
-        i_indkey = PQfnumber(res, "indkey");
-        i_indisclustered = PQfnumber(res, "indisclustered");
-        i_indisreplident = PQfnumber(res, "indisreplident");
-        i_contype = PQfnumber(res, "contype");
-        i_conname = PQfnumber(res, "conname");
-        i_condeferrable = PQfnumber(res, "condeferrable");
-        i_condeferred = PQfnumber(res, "condeferred");
-        i_contableoid = PQfnumber(res, "contableoid");
-        i_conoid = PQfnumber(res, "conoid");
-        i_condef = PQfnumber(res, "condef");
-        i_tablespace = PQfnumber(res, "tablespace");
-        i_indreloptions = PQfnumber(res, "indreloptions");
-        i_indstatcols = PQfnumber(res, "indstatcols");
-        i_indstatvals = PQfnumber(res, "indstatvals");
-
-        tbinfo->indexes = indxinfo =
-            (IndxInfo *) pg_malloc(ntups * sizeof(IndxInfo));
-        tbinfo->numIndexes = ntups;
+    i_tableoid = PQfnumber(res, "tableoid");
+    i_oid = PQfnumber(res, "oid");
+    i_indrelid = PQfnumber(res, "indrelid");
+    i_indexname = PQfnumber(res, "indexname");
+    i_parentidx = PQfnumber(res, "parentidx");
+    i_indexdef = PQfnumber(res, "indexdef");
+    i_indnkeyatts = PQfnumber(res, "indnkeyatts");
+    i_indnatts = PQfnumber(res, "indnatts");
+    i_indkey = PQfnumber(res, "indkey");
+    i_indisclustered = PQfnumber(res, "indisclustered");
+    i_indisreplident = PQfnumber(res, "indisreplident");
+    i_contype = PQfnumber(res, "contype");
+    i_conname = PQfnumber(res, "conname");
+    i_condeferrable = PQfnumber(res, "condeferrable");
+    i_condeferred = PQfnumber(res, "condeferred");
+    i_contableoid = PQfnumber(res, "contableoid");
+    i_conoid = PQfnumber(res, "conoid");
+    i_condef = PQfnumber(res, "condef");
+    i_tablespace = PQfnumber(res, "tablespace");
+    i_indreloptions = PQfnumber(res, "indreloptions");
+    i_indstatcols = PQfnumber(res, "indstatcols");
+    i_indstatvals = PQfnumber(res, "indstatvals");

-        for (j = 0; j < ntups; j++)
+    indxinfo = (IndxInfo *) pg_malloc(ntups * sizeof(IndxInfo));
+
+    /*
+     * Outer loop iterates once per table, not once per row.  Incrementing of
+     * j is handled by the inner loop.
+     */
+    curtblindx = -1;
+    for (int j = 0; j < ntups;)
+    {
+        Oid            indrelid = atooid(PQgetvalue(res, j, i_indrelid));
+        TableInfo  *tbinfo = NULL;
+        int            numinds;
+
+        /* Count rows for this table */
+        for (numinds = 1; numinds < ntups - j; numinds++)
+            if (atooid(PQgetvalue(res, j + numinds, i_indrelid)) != indrelid)
+                break;
+
+        /*
+         * Locate the associated TableInfo; we rely on tblinfo[] being in OID
+         * order.
+         */
+        while (++curtblindx < numTables)
+        {
+            tbinfo = &tblinfo[curtblindx];
+            if (tbinfo->dobj.catId.oid == indrelid)
+                break;
+        }
+        if (curtblindx >= numTables)
+            fatal("unrecognized table OID %u", indrelid);
+        /* cross-check that we only got requested tables */
+        if (!tbinfo->hasindex ||
+            !tbinfo->interesting)
+            fatal("unexpected index data for table \"%s\"",
+                  tbinfo->dobj.name);
+
+        /* Save data for this table */
+        tbinfo->indexes = indxinfo + j;
+        tbinfo->numIndexes = numinds;
+
+        for (int c = 0; c < numinds; c++, j++)
         {
             char        contype;

@@ -6985,11 +7033,12 @@ getIndexes(Archive *fout, TableInfo tblinfo[], int numTables)
                 indxinfo[j].indexconstraint = 0;
             }
         }
-
-        PQclear(res);
     }

+    PQclear(res);
+
     destroyPQExpBuffer(query);
+    destroyPQExpBuffer(tbloids);
 }

 /*
@@ -7076,22 +7125,31 @@ getExtendedStatistics(Archive *fout)
 void
 getConstraints(Archive *fout, TableInfo tblinfo[], int numTables)
 {
-    int            i,
-                j;
-    ConstraintInfo *constrinfo;
-    PQExpBuffer query;
+    PQExpBuffer query = createPQExpBuffer();
+    PQExpBuffer tbloids = createPQExpBuffer();
     PGresult   *res;
+    int            ntups;
+    int            curtblindx;
+    TableInfo  *tbinfo = NULL;
+    ConstraintInfo *constrinfo;
     int            i_contableoid,
                 i_conoid,
+                i_conrelid,
                 i_conname,
                 i_confrelid,
                 i_conindid,
                 i_condef;
-    int            ntups;

-    query = createPQExpBuffer();
-
-    for (i = 0; i < numTables; i++)
+    /*
+     * We want to perform just one query against pg_constraint.  However, we
+     * mustn't try to select every row of the catalog and then sort it out on
+     * the client side, because some of the server-side functions we need
+     * would be unsafe to apply to tables we don't have lock on.  Hence, we
+     * build an array of the OIDs of tables we care about (and now have lock
+     * on!), and use a WHERE clause to constrain which rows are selected.
+     */
+    appendPQExpBufferChar(tbloids, '{');
+    for (int i = 0; i < numTables; i++)
     {
         TableInfo  *tbinfo = &tblinfo[i];

@@ -7104,95 +7162,118 @@ getConstraints(Archive *fout, TableInfo tblinfo[], int numTables)
             !(tbinfo->dobj.dump & DUMP_COMPONENT_DEFINITION))
             continue;

-        pg_log_info("reading foreign key constraints for table \"%s.%s\"",
-                    tbinfo->dobj.namespace->dobj.name,
-                    tbinfo->dobj.name);
+        /* OK, we need info for this table */
+        if (tbloids->len > 1)
+            appendPQExpBufferChar(tbloids, ',');
+        appendPQExpBuffer(tbloids, "%u", tbinfo->dobj.catId.oid);
+    }
+    appendPQExpBufferChar(tbloids, '}');

-        resetPQExpBuffer(query);
-        if (fout->remoteVersion >= 110000)
-            appendPQExpBuffer(query,
-                              "SELECT tableoid, oid, conname, confrelid, conindid, "
-                              "pg_catalog.pg_get_constraintdef(oid) AS condef "
-                              "FROM pg_catalog.pg_constraint "
-                              "WHERE conrelid = '%u'::pg_catalog.oid "
-                              "AND conparentid = 0 "
-                              "AND contype = 'f'",
-                              tbinfo->dobj.catId.oid);
-        else
-            appendPQExpBuffer(query,
-                              "SELECT tableoid, oid, conname, confrelid, 0 as conindid, "
-                              "pg_catalog.pg_get_constraintdef(oid) AS condef "
-                              "FROM pg_catalog.pg_constraint "
-                              "WHERE conrelid = '%u'::pg_catalog.oid "
-                              "AND contype = 'f'",
-                              tbinfo->dobj.catId.oid);
-        res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+    appendPQExpBufferStr(query,
+                         "SELECT c.tableoid, c.oid, "
+                         "conrelid, conname, confrelid, ");
+    if (fout->remoteVersion >= 110000)
+        appendPQExpBufferStr(query, "conindid, ");
+    else
+        appendPQExpBufferStr(query, "0 AS conindid, ");
+    appendPQExpBuffer(query,
+                      "pg_catalog.pg_get_constraintdef(c.oid) AS condef\n"
+                      "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                      "JOIN pg_catalog.pg_constraint c ON (src.tbloid = c.conrelid)\n"
+                      "WHERE contype = 'f' ",
+                      tbloids->data);
+    if (fout->remoteVersion >= 110000)
+        appendPQExpBufferStr(query,
+                             "AND conparentid = 0 ");
+    appendPQExpBufferStr(query,
+                         "ORDER BY conrelid, conname");

-        ntups = PQntuples(res);
+    res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);

-        i_contableoid = PQfnumber(res, "tableoid");
-        i_conoid = PQfnumber(res, "oid");
-        i_conname = PQfnumber(res, "conname");
-        i_confrelid = PQfnumber(res, "confrelid");
-        i_conindid = PQfnumber(res, "conindid");
-        i_condef = PQfnumber(res, "condef");
+    ntups = PQntuples(res);

-        constrinfo = (ConstraintInfo *) pg_malloc(ntups * sizeof(ConstraintInfo));
+    i_contableoid = PQfnumber(res, "tableoid");
+    i_conoid = PQfnumber(res, "oid");
+    i_conrelid = PQfnumber(res, "conrelid");
+    i_conname = PQfnumber(res, "conname");
+    i_confrelid = PQfnumber(res, "confrelid");
+    i_conindid = PQfnumber(res, "conindid");
+    i_condef = PQfnumber(res, "condef");

-        for (j = 0; j < ntups; j++)
-        {
-            TableInfo  *reftable;
-
-            constrinfo[j].dobj.objType = DO_FK_CONSTRAINT;
-            constrinfo[j].dobj.catId.tableoid = atooid(PQgetvalue(res, j, i_contableoid));
-            constrinfo[j].dobj.catId.oid = atooid(PQgetvalue(res, j, i_conoid));
-            AssignDumpId(&constrinfo[j].dobj);
-            constrinfo[j].dobj.name = pg_strdup(PQgetvalue(res, j, i_conname));
-            constrinfo[j].dobj.namespace = tbinfo->dobj.namespace;
-            constrinfo[j].contable = tbinfo;
-            constrinfo[j].condomain = NULL;
-            constrinfo[j].contype = 'f';
-            constrinfo[j].condef = pg_strdup(PQgetvalue(res, j, i_condef));
-            constrinfo[j].confrelid = atooid(PQgetvalue(res, j, i_confrelid));
-            constrinfo[j].conindex = 0;
-            constrinfo[j].condeferrable = false;
-            constrinfo[j].condeferred = false;
-            constrinfo[j].conislocal = true;
-            constrinfo[j].separate = true;
+    constrinfo = (ConstraintInfo *) pg_malloc(ntups * sizeof(ConstraintInfo));

-            /*
-             * Restoring an FK that points to a partitioned table requires
-             * that all partition indexes have been attached beforehand.
-             * Ensure that happens by making the constraint depend on each
-             * index partition attach object.
-             */
-            reftable = findTableByOid(constrinfo[j].confrelid);
-            if (reftable && reftable->relkind == RELKIND_PARTITIONED_TABLE)
+    curtblindx = -1;
+    for (int j = 0; j < ntups; j++)
+    {
+        Oid            conrelid = atooid(PQgetvalue(res, j, i_conrelid));
+        TableInfo  *reftable;
+
+        /*
+         * Locate the associated TableInfo; we rely on tblinfo[] being in OID
+         * order.
+         */
+        if (tbinfo == NULL || tbinfo->dobj.catId.oid != conrelid)
+        {
+            while (++curtblindx < numTables)
             {
-                Oid            indexOid = atooid(PQgetvalue(res, j, i_conindid));
+                tbinfo = &tblinfo[curtblindx];
+                if (tbinfo->dobj.catId.oid == conrelid)
+                    break;
+            }
+            if (curtblindx >= numTables)
+                fatal("unrecognized table OID %u", conrelid);
+        }
+
+        constrinfo[j].dobj.objType = DO_FK_CONSTRAINT;
+        constrinfo[j].dobj.catId.tableoid = atooid(PQgetvalue(res, j, i_contableoid));
+        constrinfo[j].dobj.catId.oid = atooid(PQgetvalue(res, j, i_conoid));
+        AssignDumpId(&constrinfo[j].dobj);
+        constrinfo[j].dobj.name = pg_strdup(PQgetvalue(res, j, i_conname));
+        constrinfo[j].dobj.namespace = tbinfo->dobj.namespace;
+        constrinfo[j].contable = tbinfo;
+        constrinfo[j].condomain = NULL;
+        constrinfo[j].contype = 'f';
+        constrinfo[j].condef = pg_strdup(PQgetvalue(res, j, i_condef));
+        constrinfo[j].confrelid = atooid(PQgetvalue(res, j, i_confrelid));
+        constrinfo[j].conindex = 0;
+        constrinfo[j].condeferrable = false;
+        constrinfo[j].condeferred = false;
+        constrinfo[j].conislocal = true;
+        constrinfo[j].separate = true;
+
+        /*
+         * Restoring an FK that points to a partitioned table requires that
+         * all partition indexes have been attached beforehand. Ensure that
+         * happens by making the constraint depend on each index partition
+         * attach object.
+         */
+        reftable = findTableByOid(constrinfo[j].confrelid);
+        if (reftable && reftable->relkind == RELKIND_PARTITIONED_TABLE)
+        {
+            Oid            indexOid = atooid(PQgetvalue(res, j, i_conindid));

-                if (indexOid != InvalidOid)
+            if (indexOid != InvalidOid)
+            {
+                for (int k = 0; k < reftable->numIndexes; k++)
                 {
-                    for (int k = 0; k < reftable->numIndexes; k++)
-                    {
-                        IndxInfo   *refidx;
+                    IndxInfo   *refidx;

-                        /* not our index? */
-                        if (reftable->indexes[k].dobj.catId.oid != indexOid)
-                            continue;
+                    /* not our index? */
+                    if (reftable->indexes[k].dobj.catId.oid != indexOid)
+                        continue;

-                        refidx = &reftable->indexes[k];
-                        addConstrChildIdxDeps(&constrinfo[j].dobj, refidx);
-                        break;
-                    }
+                    refidx = &reftable->indexes[k];
+                    addConstrChildIdxDeps(&constrinfo[j].dobj, refidx);
+                    break;
                 }
             }
         }
-
-        PQclear(res);
     }

+    PQclear(res);
+
     destroyPQExpBuffer(query);
+    destroyPQExpBuffer(tbloids);
 }

 /*
@@ -7436,13 +7517,15 @@ getRules(Archive *fout, int *numRules)
 void
 getTriggers(Archive *fout, TableInfo tblinfo[], int numTables)
 {
-    int            i,
-                j;
     PQExpBuffer query = createPQExpBuffer();
+    PQExpBuffer tbloids = createPQExpBuffer();
     PGresult   *res;
+    int            ntups;
+    int            curtblindx;
     TriggerInfo *tginfo;
     int            i_tableoid,
                 i_oid,
+                i_tgrelid,
                 i_tgname,
                 i_tgfname,
                 i_tgtype,
@@ -7457,9 +7540,17 @@ getTriggers(Archive *fout, TableInfo tblinfo[], int numTables)
                 i_tgdeferrable,
                 i_tginitdeferred,
                 i_tgdef;
-    int            ntups;

-    for (i = 0; i < numTables; i++)
+    /*
+     * We want to perform just one query against pg_trigger.  However, we
+     * mustn't try to select every row of the catalog and then sort it out on
+     * the client side, because some of the server-side functions we need
+     * would be unsafe to apply to tables we don't have lock on.  Hence, we
+     * build an array of the OIDs of tables we care about (and now have lock
+     * on!), and use a WHERE clause to constrain which rows are selected.
+     */
+    appendPQExpBufferChar(tbloids, '{');
+    for (int i = 0; i < numTables; i++)
     {
         TableInfo  *tbinfo = &tblinfo[i];

@@ -7467,143 +7558,178 @@ getTriggers(Archive *fout, TableInfo tblinfo[], int numTables)
             !(tbinfo->dobj.dump & DUMP_COMPONENT_DEFINITION))
             continue;

-        pg_log_info("reading triggers for table \"%s.%s\"",
-                    tbinfo->dobj.namespace->dobj.name,
-                    tbinfo->dobj.name);
+        /* OK, we need info for this table */
+        if (tbloids->len > 1)
+            appendPQExpBufferChar(tbloids, ',');
+        appendPQExpBuffer(tbloids, "%u", tbinfo->dobj.catId.oid);
+    }
+    appendPQExpBufferChar(tbloids, '}');

-        resetPQExpBuffer(query);
-        if (fout->remoteVersion >= 130000)
-        {
-            /*
-             * NB: think not to use pretty=true in pg_get_triggerdef.  It
-             * could result in non-forward-compatible dumps of WHEN clauses
-             * due to under-parenthesization.
-             *
-             * NB: We need to see tgisinternal triggers in partitions, in case
-             * the tgenabled flag has been changed from the parent.
-             */
-            appendPQExpBuffer(query,
-                              "SELECT t.tgname, "
-                              "t.tgfoid::pg_catalog.regproc AS tgfname, "
-                              "pg_catalog.pg_get_triggerdef(t.oid, false) AS tgdef, "
-                              "t.tgenabled, t.tableoid, t.oid, t.tgisinternal "
-                              "FROM pg_catalog.pg_trigger t "
-                              "LEFT JOIN pg_catalog.pg_trigger u ON u.oid = t.tgparentid "
-                              "WHERE t.tgrelid = '%u'::pg_catalog.oid "
-                              "AND (NOT t.tgisinternal OR t.tgenabled != u.tgenabled)",
-                              tbinfo->dobj.catId.oid);
-        }
-        else if (fout->remoteVersion >= 110000)
-        {
-            /*
-             * NB: We need to see tgisinternal triggers in partitions, in case
-             * the tgenabled flag has been changed from the parent. No
-             * tgparentid in version 11-12, so we have to match them via
-             * pg_depend.
-             *
-             * See above about pretty=true in pg_get_triggerdef.
-             */
-            appendPQExpBuffer(query,
-                              "SELECT t.tgname, "
-                              "t.tgfoid::pg_catalog.regproc AS tgfname, "
-                              "pg_catalog.pg_get_triggerdef(t.oid, false) AS tgdef, "
-                              "t.tgenabled, t.tableoid, t.oid, t.tgisinternal "
-                              "FROM pg_catalog.pg_trigger t "
-                              "LEFT JOIN pg_catalog.pg_depend AS d ON "
-                              " d.classid = 'pg_catalog.pg_trigger'::pg_catalog.regclass AND "
-                              " d.refclassid = 'pg_catalog.pg_trigger'::pg_catalog.regclass AND "
-                              " d.objid = t.oid "
-                              "LEFT JOIN pg_catalog.pg_trigger AS pt ON pt.oid = refobjid "
-                              "WHERE t.tgrelid = '%u'::pg_catalog.oid "
-                              "AND (NOT t.tgisinternal%s)",
-                              tbinfo->dobj.catId.oid,
-                              tbinfo->ispartition ?
-                              " OR t.tgenabled != pt.tgenabled" : "");
-        }
-        else if (fout->remoteVersion >= 90000)
-        {
-            /* See above about pretty=true in pg_get_triggerdef */
-            appendPQExpBuffer(query,
-                              "SELECT t.tgname, "
-                              "t.tgfoid::pg_catalog.regproc AS tgfname, "
-                              "pg_catalog.pg_get_triggerdef(t.oid, false) AS tgdef, "
-                              "t.tgenabled, false as tgisinternal, "
-                              "t.tableoid, t.oid "
-                              "FROM pg_catalog.pg_trigger t "
-                              "WHERE tgrelid = '%u'::pg_catalog.oid "
-                              "AND NOT tgisinternal",
-                              tbinfo->dobj.catId.oid);
-        }
-        else if (fout->remoteVersion >= 80300)
-        {
-            /*
-             * We ignore triggers that are tied to a foreign-key constraint
-             */
-            appendPQExpBuffer(query,
-                              "SELECT tgname, "
-                              "tgfoid::pg_catalog.regproc AS tgfname, "
-                              "tgtype, tgnargs, tgargs, tgenabled, "
-                              "false as tgisinternal, "
-                              "tgisconstraint, tgconstrname, tgdeferrable, "
-                              "tgconstrrelid, tginitdeferred, tableoid, oid, "
-                              "tgconstrrelid::pg_catalog.regclass AS tgconstrrelname "
-                              "FROM pg_catalog.pg_trigger t "
-                              "WHERE tgrelid = '%u'::pg_catalog.oid "
-                              "AND tgconstraint = 0",
-                              tbinfo->dobj.catId.oid);
-        }
-        else
-        {
-            /*
-             * We ignore triggers that are tied to a foreign-key constraint,
-             * but in these versions we have to grovel through pg_constraint
-             * to find out
-             */
-            appendPQExpBuffer(query,
-                              "SELECT tgname, "
-                              "tgfoid::pg_catalog.regproc AS tgfname, "
-                              "tgtype, tgnargs, tgargs, tgenabled, "
-                              "false as tgisinternal, "
-                              "tgisconstraint, tgconstrname, tgdeferrable, "
-                              "tgconstrrelid, tginitdeferred, tableoid, oid, "
-                              "tgconstrrelid::pg_catalog.regclass AS tgconstrrelname "
-                              "FROM pg_catalog.pg_trigger t "
-                              "WHERE tgrelid = '%u'::pg_catalog.oid "
-                              "AND (NOT tgisconstraint "
-                              " OR NOT EXISTS"
-                              "  (SELECT 1 FROM pg_catalog.pg_depend d "
-                              "   JOIN pg_catalog.pg_constraint c ON (d.refclassid = c.tableoid AND d.refobjid =
c.oid)" 
-                              "   WHERE d.classid = t.tableoid AND d.objid = t.oid AND d.deptype = 'i' AND c.contype =
'f'))",
-                              tbinfo->dobj.catId.oid);
-        }
+    if (fout->remoteVersion >= 130000)
+    {
+        /*
+         * NB: think not to use pretty=true in pg_get_triggerdef.  It could
+         * result in non-forward-compatible dumps of WHEN clauses due to
+         * under-parenthesization.
+         *
+         * NB: We need to see tgisinternal triggers in partitions, in case the
+         * tgenabled flag has been changed from the parent.
+         */
+        appendPQExpBuffer(query,
+                          "SELECT t.tgrelid, t.tgname, "
+                          "t.tgfoid::pg_catalog.regproc AS tgfname, "
+                          "pg_catalog.pg_get_triggerdef(t.oid, false) AS tgdef, "
+                          "t.tgenabled, t.tableoid, t.oid, t.tgisinternal\n"
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_trigger t ON (src.tbloid = t.tgrelid) "
+                          "LEFT JOIN pg_catalog.pg_trigger u ON (u.oid = t.tgparentid) "
+                          "WHERE (NOT t.tgisinternal OR t.tgenabled != u.tgenabled) "
+                          "ORDER BY t.tgrelid, t.tgname",
+                          tbloids->data);
+    }
+    else if (fout->remoteVersion >= 110000)
+    {
+        /*
+         * NB: We need to see tgisinternal triggers in partitions, in case the
+         * tgenabled flag has been changed from the parent. No tgparentid in
+         * version 11-12, so we have to match them via pg_depend.
+         *
+         * See above about pretty=true in pg_get_triggerdef.
+         */
+        appendPQExpBuffer(query,
+                          "SELECT t.tgrelid, t.tgname, "
+                          "t.tgfoid::pg_catalog.regproc AS tgfname, "
+                          "pg_catalog.pg_get_triggerdef(t.oid, false) AS tgdef, "
+                          "t.tgenabled, t.tableoid, t.oid, t.tgisinternal "
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_trigger t ON (src.tbloid = t.tgrelid) "
+                          "LEFT JOIN pg_catalog.pg_depend AS d ON "
+                          " d.classid = 'pg_catalog.pg_trigger'::pg_catalog.regclass AND "
+                          " d.refclassid = 'pg_catalog.pg_trigger'::pg_catalog.regclass AND "
+                          " d.objid = t.oid "
+                          "LEFT JOIN pg_catalog.pg_trigger AS pt ON pt.oid = refobjid "
+                          "WHERE (NOT t.tgisinternal OR t.tgenabled != pt.tgenabled) "
+                          "ORDER BY t.tgrelid, t.tgname",
+                          tbloids->data);
+    }
+    else if (fout->remoteVersion >= 90000)
+    {
+        /* See above about pretty=true in pg_get_triggerdef */
+        appendPQExpBuffer(query,
+                          "SELECT t.tgrelid, t.tgname, "
+                          "t.tgfoid::pg_catalog.regproc AS tgfname, "
+                          "pg_catalog.pg_get_triggerdef(t.oid, false) AS tgdef, "
+                          "t.tgenabled, false as tgisinternal, "
+                          "t.tableoid, t.oid "
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_trigger t ON (src.tbloid = t.tgrelid) "
+                          "WHERE NOT tgisinternal "
+                          "ORDER BY t.tgrelid, t.tgname",
+                          tbloids->data);
+    }
+    else if (fout->remoteVersion >= 80300)
+    {
+        /*
+         * We ignore triggers that are tied to a foreign-key constraint
+         */
+        appendPQExpBuffer(query,
+                          "SELECT t.tgrelid, tgname, "
+                          "tgfoid::pg_catalog.regproc AS tgfname, "
+                          "tgtype, tgnargs, tgargs, tgenabled, "
+                          "false as tgisinternal, "
+                          "tgisconstraint, tgconstrname, tgdeferrable, "
+                          "tgconstrrelid, tginitdeferred, t.tableoid, t.oid, "
+                          "tgconstrrelid::pg_catalog.regclass AS tgconstrrelname "
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_trigger t ON (src.tbloid = t.tgrelid) "
+                          "WHERE tgconstraint = 0 "
+                          "ORDER BY t.tgrelid, t.tgname",
+                          tbloids->data);
+    }
+    else
+    {
+        /*
+         * We ignore triggers that are tied to a foreign-key constraint, but
+         * in these versions we have to grovel through pg_constraint to find
+         * out
+         */
+        appendPQExpBuffer(query,
+                          "SELECT t.tgrelid, tgname, "
+                          "tgfoid::pg_catalog.regproc AS tgfname, "
+                          "tgtype, tgnargs, tgargs, tgenabled, "
+                          "false as tgisinternal, "
+                          "tgisconstraint, tgconstrname, tgdeferrable, "
+                          "tgconstrrelid, tginitdeferred, t.tableoid, t.oid, "
+                          "tgconstrrelid::pg_catalog.regclass AS tgconstrrelname "
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_trigger t ON (src.tbloid = t.tgrelid) "
+                          "WHERE (NOT tgisconstraint "
+                          " OR NOT EXISTS"
+                          "  (SELECT 1 FROM pg_catalog.pg_depend d "
+                          "   JOIN pg_catalog.pg_constraint c ON (d.refclassid = c.tableoid AND d.refobjid = c.oid) "
+                          "   WHERE d.classid = t.tableoid AND d.objid = t.oid AND d.deptype = 'i' AND c.contype =
'f'))" 
+                          "ORDER BY t.tgrelid, t.tgname",
+                          tbloids->data);
+    }

-        res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+    res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);

-        ntups = PQntuples(res);
+    ntups = PQntuples(res);

-        i_tableoid = PQfnumber(res, "tableoid");
-        i_oid = PQfnumber(res, "oid");
-        i_tgname = PQfnumber(res, "tgname");
-        i_tgfname = PQfnumber(res, "tgfname");
-        i_tgtype = PQfnumber(res, "tgtype");
-        i_tgnargs = PQfnumber(res, "tgnargs");
-        i_tgargs = PQfnumber(res, "tgargs");
-        i_tgisconstraint = PQfnumber(res, "tgisconstraint");
-        i_tgconstrname = PQfnumber(res, "tgconstrname");
-        i_tgconstrrelid = PQfnumber(res, "tgconstrrelid");
-        i_tgconstrrelname = PQfnumber(res, "tgconstrrelname");
-        i_tgenabled = PQfnumber(res, "tgenabled");
-        i_tgisinternal = PQfnumber(res, "tgisinternal");
-        i_tgdeferrable = PQfnumber(res, "tgdeferrable");
-        i_tginitdeferred = PQfnumber(res, "tginitdeferred");
-        i_tgdef = PQfnumber(res, "tgdef");
-
-        tginfo = (TriggerInfo *) pg_malloc(ntups * sizeof(TriggerInfo));
-
-        tbinfo->numTriggers = ntups;
-        tbinfo->triggers = tginfo;
+    i_tableoid = PQfnumber(res, "tableoid");
+    i_oid = PQfnumber(res, "oid");
+    i_tgrelid = PQfnumber(res, "tgrelid");
+    i_tgname = PQfnumber(res, "tgname");
+    i_tgfname = PQfnumber(res, "tgfname");
+    i_tgtype = PQfnumber(res, "tgtype");
+    i_tgnargs = PQfnumber(res, "tgnargs");
+    i_tgargs = PQfnumber(res, "tgargs");
+    i_tgisconstraint = PQfnumber(res, "tgisconstraint");
+    i_tgconstrname = PQfnumber(res, "tgconstrname");
+    i_tgconstrrelid = PQfnumber(res, "tgconstrrelid");
+    i_tgconstrrelname = PQfnumber(res, "tgconstrrelname");
+    i_tgenabled = PQfnumber(res, "tgenabled");
+    i_tgisinternal = PQfnumber(res, "tgisinternal");
+    i_tgdeferrable = PQfnumber(res, "tgdeferrable");
+    i_tginitdeferred = PQfnumber(res, "tginitdeferred");
+    i_tgdef = PQfnumber(res, "tgdef");
+
+    tginfo = (TriggerInfo *) pg_malloc(ntups * sizeof(TriggerInfo));

-        for (j = 0; j < ntups; j++)
+    /*
+     * Outer loop iterates once per table, not once per row.  Incrementing of
+     * j is handled by the inner loop.
+     */
+    curtblindx = -1;
+    for (int j = 0; j < ntups;)
+    {
+        Oid            tgrelid = atooid(PQgetvalue(res, j, i_tgrelid));
+        TableInfo  *tbinfo = NULL;
+        int            numtrigs;
+
+        /* Count rows for this table */
+        for (numtrigs = 1; numtrigs < ntups - j; numtrigs++)
+            if (atooid(PQgetvalue(res, j + numtrigs, i_tgrelid)) != tgrelid)
+                break;
+
+        /*
+         * Locate the associated TableInfo; we rely on tblinfo[] being in OID
+         * order.
+         */
+        while (++curtblindx < numTables)
+        {
+            tbinfo = &tblinfo[curtblindx];
+            if (tbinfo->dobj.catId.oid == tgrelid)
+                break;
+        }
+        if (curtblindx >= numTables)
+            fatal("unrecognized table OID %u", tgrelid);
+
+        /* Save data for this table */
+        tbinfo->triggers = tginfo + j;
+        tbinfo->numTriggers = numtrigs;
+
+        for (int c = 0; c < numtrigs; c++, j++)
         {
             tginfo[j].dobj.objType = DO_TRIGGER;
             tginfo[j].dobj.catId.tableoid = atooid(PQgetvalue(res, j, i_tableoid));
@@ -7666,11 +7792,12 @@ getTriggers(Archive *fout, TableInfo tblinfo[], int numTables)
                 }
             }
         }
-
-        PQclear(res);
     }

+    PQclear(res);
+
     destroyPQExpBuffer(query);
+    destroyPQExpBuffer(tbloids);
 }

 /*
@@ -8124,12 +8251,6 @@ getTransforms(Archive *fout, int *numTransforms)
  *      for each interesting table, read info about its attributes
  *      (names, types, default values, CHECK constraints, etc)
  *
- * This is implemented in a very inefficient way right now, looping
- * through the tblinfo and doing a join per table to find the attrs and their
- * types.  However, because we want type names and so forth to be named
- * relative to the schema of each table, we couldn't do it in just one
- * query.  (Maybe one query per schema?)
- *
  *    modifies tblinfo
  */
 void
@@ -8137,6 +8258,12 @@ getTableAttrs(Archive *fout, TableInfo *tblinfo, int numTables)
 {
     DumpOptions *dopt = fout->dopt;
     PQExpBuffer q = createPQExpBuffer();
+    PQExpBuffer tbloids = createPQExpBuffer();
+    PQExpBuffer checkoids = createPQExpBuffer();
+    PGresult   *res;
+    int            ntups;
+    int            curtblindx;
+    int            i_attrelid;
     int            i_attnum;
     int            i_attname;
     int            i_atttypname;
@@ -8158,12 +8285,21 @@ getTableAttrs(Archive *fout, TableInfo *tblinfo, int numTables)
     int            i_attmissingval;
     int            i_atthasdef;

+    /*
+     * We want to perform just one query against pg_attribute, and then just
+     * one against pg_attrdef (for DEFAULTs) and one against pg_constraint
+     * (for CHECK constraints).  However, we mustn't try to select every row
+     * of those catalogs and then sort it out on the client side, because some
+     * of the server-side functions we need would be unsafe to apply to tables
+     * we don't have lock on.  Hence, we build an array of the OIDs of tables
+     * we care about (and now have lock on!), and use a WHERE clause to
+     * constrain which rows are selected.
+     */
+    appendPQExpBufferChar(tbloids, '{');
+    appendPQExpBufferChar(checkoids, '{');
     for (int i = 0; i < numTables; i++)
     {
         TableInfo  *tbinfo = &tblinfo[i];
-        PGresult   *res;
-        int            ntups;
-        bool        hasdefaults;

         /* Don't bother to collect info for sequences */
         if (tbinfo->relkind == RELKIND_SEQUENCE)
@@ -8173,390 +8309,499 @@ getTableAttrs(Archive *fout, TableInfo *tblinfo, int numTables)
         if (!tbinfo->interesting)
             continue;

-        /* find all the user attributes and their types */
+        /* OK, we need info for this table */
+        if (tbloids->len > 1)
+            appendPQExpBufferChar(tbloids, ',');
+        appendPQExpBuffer(tbloids, "%u", tbinfo->dobj.catId.oid);
+
+        if (tbinfo->ncheck > 0)
+        {
+            /* Also make a list of the ones with check constraints */
+            if (checkoids->len > 1)
+                appendPQExpBufferChar(checkoids, ',');
+            appendPQExpBuffer(checkoids, "%u", tbinfo->dobj.catId.oid);
+        }
+    }
+    appendPQExpBufferChar(tbloids, '}');
+    appendPQExpBufferChar(checkoids, '}');
+
+    /* find all the user attributes and their types */
+    appendPQExpBufferStr(q,
+                         "SELECT\n"
+                         "a.attrelid,\n"
+                         "a.attnum,\n"
+                         "a.attname,\n"
+                         "a.atttypmod,\n"
+                         "a.attstattarget,\n"
+                         "a.attstorage,\n"
+                         "t.typstorage,\n"
+                         "a.attnotnull,\n"
+                         "a.atthasdef,\n"
+                         "a.attisdropped,\n"
+                         "a.attlen,\n"
+                         "a.attalign,\n"
+                         "a.attislocal,\n"
+                         "pg_catalog.format_type(t.oid, a.atttypmod) AS atttypname,\n");

+    if (fout->remoteVersion >= 90000)
+        appendPQExpBufferStr(q,
+                             "array_to_string(a.attoptions, ', ') AS attoptions,\n");
+    else
+        appendPQExpBufferStr(q,
+                             "'' AS attoptions,\n");
+
+    if (fout->remoteVersion >= 90100)
+    {
         /*
-         * we must read the attribute names in attribute number order! because
-         * we will use the attnum to index into the attnames array later.
+         * Since we only want to dump COLLATE clauses for attributes whose
+         * collation is different from their type's default, we use a CASE
+         * here to suppress uninteresting attcollations cheaply.
          */
-        pg_log_info("finding the columns and types of table \"%s.%s\"",
-                    tbinfo->dobj.namespace->dobj.name,
-                    tbinfo->dobj.name);
+        appendPQExpBufferStr(q,
+                             "CASE WHEN a.attcollation <> t.typcollation "
+                             "THEN a.attcollation ELSE 0 END AS attcollation,\n");
+    }
+    else
+        appendPQExpBufferStr(q,
+                             "0 AS attcollation,\n");

-        resetPQExpBuffer(q);
+    if (fout->remoteVersion >= 140000)
+        appendPQExpBufferStr(q,
+                             "a.attcompression AS attcompression,\n");
+    else
+        appendPQExpBufferStr(q,
+                             "'' AS attcompression,\n");

+    if (fout->remoteVersion >= 90200)
         appendPQExpBufferStr(q,
-                             "SELECT\n"
-                             "a.attnum,\n"
-                             "a.attname,\n"
-                             "a.atttypmod,\n"
-                             "a.attstattarget,\n"
-                             "a.attstorage,\n"
-                             "t.typstorage,\n"
-                             "a.attnotnull,\n"
-                             "a.atthasdef,\n"
-                             "a.attisdropped,\n"
-                             "a.attlen,\n"
-                             "a.attalign,\n"
-                             "a.attislocal,\n"
-                             "pg_catalog.format_type(t.oid, a.atttypmod) AS atttypname,\n");
-
-        if (fout->remoteVersion >= 90000)
-            appendPQExpBufferStr(q,
-                                 "array_to_string(a.attoptions, ', ') AS attoptions,\n");
-        else
-            appendPQExpBufferStr(q,
-                                 "'' AS attoptions,\n");
+                             "pg_catalog.array_to_string(ARRAY("
+                             "SELECT pg_catalog.quote_ident(option_name) || "
+                             "' ' || pg_catalog.quote_literal(option_value) "
+                             "FROM pg_catalog.pg_options_to_table(attfdwoptions) "
+                             "ORDER BY option_name"
+                             "), E',\n    ') AS attfdwoptions,\n");
+    else
+        appendPQExpBufferStr(q,
+                             "'' AS attfdwoptions,\n");

-        if (fout->remoteVersion >= 90100)
-        {
-            /*
-             * Since we only want to dump COLLATE clauses for attributes whose
-             * collation is different from their type's default, we use a CASE
-             * here to suppress uninteresting attcollations cheaply.
-             */
-            appendPQExpBufferStr(q,
-                                 "CASE WHEN a.attcollation <> t.typcollation "
-                                 "THEN a.attcollation ELSE 0 END AS attcollation,\n");
-        }
-        else
-            appendPQExpBufferStr(q,
-                                 "0 AS attcollation,\n");
+    if (fout->remoteVersion >= 100000)
+        appendPQExpBufferStr(q,
+                             "a.attidentity,\n");
+    else
+        appendPQExpBufferStr(q,
+                             "'' AS attidentity,\n");

-        if (fout->remoteVersion >= 140000)
-            appendPQExpBuffer(q,
-                              "a.attcompression AS attcompression,\n");
-        else
-            appendPQExpBuffer(q,
-                              "'' AS attcompression,\n");
+    if (fout->remoteVersion >= 110000)
+        appendPQExpBufferStr(q,
+                             "CASE WHEN a.atthasmissing AND NOT a.attisdropped "
+                             "THEN a.attmissingval ELSE null END AS attmissingval,\n");
+    else
+        appendPQExpBufferStr(q,
+                             "NULL AS attmissingval,\n");

-        if (fout->remoteVersion >= 90200)
-            appendPQExpBufferStr(q,
-                                 "pg_catalog.array_to_string(ARRAY("
-                                 "SELECT pg_catalog.quote_ident(option_name) || "
-                                 "' ' || pg_catalog.quote_literal(option_value) "
-                                 "FROM pg_catalog.pg_options_to_table(attfdwoptions) "
-                                 "ORDER BY option_name"
-                                 "), E',\n    ') AS attfdwoptions,\n");
-        else
-            appendPQExpBufferStr(q,
-                                 "'' AS attfdwoptions,\n");
+    if (fout->remoteVersion >= 120000)
+        appendPQExpBufferStr(q,
+                             "a.attgenerated\n");
+    else
+        appendPQExpBufferStr(q,
+                             "'' AS attgenerated\n");

-        if (fout->remoteVersion >= 100000)
-            appendPQExpBufferStr(q,
-                                 "a.attidentity,\n");
-        else
-            appendPQExpBufferStr(q,
-                                 "'' AS attidentity,\n");
+    /* need left join to pg_type to not fail on dropped columns ... */
+    appendPQExpBuffer(q,
+                      "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                      "JOIN pg_catalog.pg_attribute a ON (src.tbloid = a.attrelid) "
+                      "LEFT JOIN pg_catalog.pg_type t "
+                      "ON (a.atttypid = t.oid)\n"
+                      "WHERE a.attnum > 0::pg_catalog.int2\n"
+                      "ORDER BY a.attrelid, a.attnum",
+                      tbloids->data);

-        if (fout->remoteVersion >= 110000)
-            appendPQExpBufferStr(q,
-                                 "CASE WHEN a.atthasmissing AND NOT a.attisdropped "
-                                 "THEN a.attmissingval ELSE null END AS attmissingval,\n");
-        else
-            appendPQExpBufferStr(q,
-                                 "NULL AS attmissingval,\n");
+    res = ExecuteSqlQuery(fout, q->data, PGRES_TUPLES_OK);

-        if (fout->remoteVersion >= 120000)
-            appendPQExpBufferStr(q,
-                                 "a.attgenerated\n");
-        else
-            appendPQExpBufferStr(q,
-                                 "'' AS attgenerated\n");
+    ntups = PQntuples(res);

-        /* need left join here to not fail on dropped columns ... */
-        appendPQExpBuffer(q,
-                          "FROM pg_catalog.pg_attribute a LEFT JOIN pg_catalog.pg_type t "
-                          "ON a.atttypid = t.oid\n"
-                          "WHERE a.attrelid = '%u'::pg_catalog.oid "
-                          "AND a.attnum > 0::pg_catalog.int2\n"
-                          "ORDER BY a.attnum",
-                          tbinfo->dobj.catId.oid);
+    i_attrelid = PQfnumber(res, "attrelid");
+    i_attnum = PQfnumber(res, "attnum");
+    i_attname = PQfnumber(res, "attname");
+    i_atttypname = PQfnumber(res, "atttypname");
+    i_atttypmod = PQfnumber(res, "atttypmod");
+    i_attstattarget = PQfnumber(res, "attstattarget");
+    i_attstorage = PQfnumber(res, "attstorage");
+    i_typstorage = PQfnumber(res, "typstorage");
+    i_attidentity = PQfnumber(res, "attidentity");
+    i_attgenerated = PQfnumber(res, "attgenerated");
+    i_attisdropped = PQfnumber(res, "attisdropped");
+    i_attlen = PQfnumber(res, "attlen");
+    i_attalign = PQfnumber(res, "attalign");
+    i_attislocal = PQfnumber(res, "attislocal");
+    i_attnotnull = PQfnumber(res, "attnotnull");
+    i_attoptions = PQfnumber(res, "attoptions");
+    i_attcollation = PQfnumber(res, "attcollation");
+    i_attcompression = PQfnumber(res, "attcompression");
+    i_attfdwoptions = PQfnumber(res, "attfdwoptions");
+    i_attmissingval = PQfnumber(res, "attmissingval");
+    i_atthasdef = PQfnumber(res, "atthasdef");

-        res = ExecuteSqlQuery(fout, q->data, PGRES_TUPLES_OK);
+    /* Within the next loop, we'll accumulate OIDs of tables with defaults */
+    resetPQExpBuffer(tbloids);
+    appendPQExpBufferChar(tbloids, '{');

-        ntups = PQntuples(res);
+    /*
+     * Outer loop iterates once per table, not once per row.  Incrementing of
+     * r is handled by the inner loop.
+     */
+    curtblindx = -1;
+    for (int r = 0; r < ntups;)
+    {
+        Oid            attrelid = atooid(PQgetvalue(res, r, i_attrelid));
+        TableInfo  *tbinfo = NULL;
+        int            numatts;
+        bool        hasdefaults;
+
+        /* Count rows for this table */
+        for (numatts = 1; numatts < ntups - r; numatts++)
+            if (atooid(PQgetvalue(res, r + numatts, i_attrelid)) != attrelid)
+                break;

-        tbinfo->numatts = ntups;
-        tbinfo->attnames = (char **) pg_malloc(ntups * sizeof(char *));
-        tbinfo->atttypnames = (char **) pg_malloc(ntups * sizeof(char *));
-        tbinfo->atttypmod = (int *) pg_malloc(ntups * sizeof(int));
-        tbinfo->attstattarget = (int *) pg_malloc(ntups * sizeof(int));
-        tbinfo->attstorage = (char *) pg_malloc(ntups * sizeof(char));
-        tbinfo->typstorage = (char *) pg_malloc(ntups * sizeof(char));
-        tbinfo->attidentity = (char *) pg_malloc(ntups * sizeof(char));
-        tbinfo->attgenerated = (char *) pg_malloc(ntups * sizeof(char));
-        tbinfo->attisdropped = (bool *) pg_malloc(ntups * sizeof(bool));
-        tbinfo->attlen = (int *) pg_malloc(ntups * sizeof(int));
-        tbinfo->attalign = (char *) pg_malloc(ntups * sizeof(char));
-        tbinfo->attislocal = (bool *) pg_malloc(ntups * sizeof(bool));
-        tbinfo->attoptions = (char **) pg_malloc(ntups * sizeof(char *));
-        tbinfo->attcollation = (Oid *) pg_malloc(ntups * sizeof(Oid));
-        tbinfo->attcompression = (char *) pg_malloc(ntups * sizeof(char));
-        tbinfo->attfdwoptions = (char **) pg_malloc(ntups * sizeof(char *));
-        tbinfo->attmissingval = (char **) pg_malloc(ntups * sizeof(char *));
-        tbinfo->notnull = (bool *) pg_malloc(ntups * sizeof(bool));
-        tbinfo->inhNotNull = (bool *) pg_malloc(ntups * sizeof(bool));
-        tbinfo->attrdefs = (AttrDefInfo **) pg_malloc(ntups * sizeof(AttrDefInfo *));
+        /*
+         * Locate the associated TableInfo; we rely on tblinfo[] being in OID
+         * order.
+         */
+        while (++curtblindx < numTables)
+        {
+            tbinfo = &tblinfo[curtblindx];
+            if (tbinfo->dobj.catId.oid == attrelid)
+                break;
+        }
+        if (curtblindx >= numTables)
+            fatal("unrecognized table OID %u", attrelid);
+        /* cross-check that we only got requested tables */
+        if (tbinfo->relkind == RELKIND_SEQUENCE ||
+            !tbinfo->interesting)
+            fatal("unexpected column data for table \"%s\"",
+                  tbinfo->dobj.name);
+
+        /* Save data for this table */
+        tbinfo->numatts = numatts;
+        tbinfo->attnames = (char **) pg_malloc(numatts * sizeof(char *));
+        tbinfo->atttypnames = (char **) pg_malloc(numatts * sizeof(char *));
+        tbinfo->atttypmod = (int *) pg_malloc(numatts * sizeof(int));
+        tbinfo->attstattarget = (int *) pg_malloc(numatts * sizeof(int));
+        tbinfo->attstorage = (char *) pg_malloc(numatts * sizeof(char));
+        tbinfo->typstorage = (char *) pg_malloc(numatts * sizeof(char));
+        tbinfo->attidentity = (char *) pg_malloc(numatts * sizeof(char));
+        tbinfo->attgenerated = (char *) pg_malloc(numatts * sizeof(char));
+        tbinfo->attisdropped = (bool *) pg_malloc(numatts * sizeof(bool));
+        tbinfo->attlen = (int *) pg_malloc(numatts * sizeof(int));
+        tbinfo->attalign = (char *) pg_malloc(numatts * sizeof(char));
+        tbinfo->attislocal = (bool *) pg_malloc(numatts * sizeof(bool));
+        tbinfo->attoptions = (char **) pg_malloc(numatts * sizeof(char *));
+        tbinfo->attcollation = (Oid *) pg_malloc(numatts * sizeof(Oid));
+        tbinfo->attcompression = (char *) pg_malloc(numatts * sizeof(char));
+        tbinfo->attfdwoptions = (char **) pg_malloc(numatts * sizeof(char *));
+        tbinfo->attmissingval = (char **) pg_malloc(numatts * sizeof(char *));
+        tbinfo->notnull = (bool *) pg_malloc(numatts * sizeof(bool));
+        tbinfo->inhNotNull = (bool *) pg_malloc(numatts * sizeof(bool));
+        tbinfo->attrdefs = (AttrDefInfo **) pg_malloc(numatts * sizeof(AttrDefInfo *));
         hasdefaults = false;

-        i_attnum = PQfnumber(res, "attnum");
-        i_attname = PQfnumber(res, "attname");
-        i_atttypname = PQfnumber(res, "atttypname");
-        i_atttypmod = PQfnumber(res, "atttypmod");
-        i_attstattarget = PQfnumber(res, "attstattarget");
-        i_attstorage = PQfnumber(res, "attstorage");
-        i_typstorage = PQfnumber(res, "typstorage");
-        i_attidentity = PQfnumber(res, "attidentity");
-        i_attgenerated = PQfnumber(res, "attgenerated");
-        i_attisdropped = PQfnumber(res, "attisdropped");
-        i_attlen = PQfnumber(res, "attlen");
-        i_attalign = PQfnumber(res, "attalign");
-        i_attislocal = PQfnumber(res, "attislocal");
-        i_attnotnull = PQfnumber(res, "attnotnull");
-        i_attoptions = PQfnumber(res, "attoptions");
-        i_attcollation = PQfnumber(res, "attcollation");
-        i_attcompression = PQfnumber(res, "attcompression");
-        i_attfdwoptions = PQfnumber(res, "attfdwoptions");
-        i_attmissingval = PQfnumber(res, "attmissingval");
-        i_atthasdef = PQfnumber(res, "atthasdef");
-
-        for (int j = 0; j < ntups; j++)
+        for (int j = 0; j < numatts; j++, r++)
         {
-            if (j + 1 != atoi(PQgetvalue(res, j, i_attnum)))
+            if (j + 1 != atoi(PQgetvalue(res, r, i_attnum)))
                 fatal("invalid column numbering in table \"%s\"",
                       tbinfo->dobj.name);
-            tbinfo->attnames[j] = pg_strdup(PQgetvalue(res, j, i_attname));
-            tbinfo->atttypnames[j] = pg_strdup(PQgetvalue(res, j, i_atttypname));
-            tbinfo->atttypmod[j] = atoi(PQgetvalue(res, j, i_atttypmod));
-            tbinfo->attstattarget[j] = atoi(PQgetvalue(res, j, i_attstattarget));
-            tbinfo->attstorage[j] = *(PQgetvalue(res, j, i_attstorage));
-            tbinfo->typstorage[j] = *(PQgetvalue(res, j, i_typstorage));
-            tbinfo->attidentity[j] = *(PQgetvalue(res, j, i_attidentity));
-            tbinfo->attgenerated[j] = *(PQgetvalue(res, j, i_attgenerated));
+            tbinfo->attnames[j] = pg_strdup(PQgetvalue(res, r, i_attname));
+            tbinfo->atttypnames[j] = pg_strdup(PQgetvalue(res, r, i_atttypname));
+            tbinfo->atttypmod[j] = atoi(PQgetvalue(res, r, i_atttypmod));
+            tbinfo->attstattarget[j] = atoi(PQgetvalue(res, r, i_attstattarget));
+            tbinfo->attstorage[j] = *(PQgetvalue(res, r, i_attstorage));
+            tbinfo->typstorage[j] = *(PQgetvalue(res, r, i_typstorage));
+            tbinfo->attidentity[j] = *(PQgetvalue(res, r, i_attidentity));
+            tbinfo->attgenerated[j] = *(PQgetvalue(res, r, i_attgenerated));
             tbinfo->needs_override = tbinfo->needs_override || (tbinfo->attidentity[j] == ATTRIBUTE_IDENTITY_ALWAYS);
-            tbinfo->attisdropped[j] = (PQgetvalue(res, j, i_attisdropped)[0] == 't');
-            tbinfo->attlen[j] = atoi(PQgetvalue(res, j, i_attlen));
-            tbinfo->attalign[j] = *(PQgetvalue(res, j, i_attalign));
-            tbinfo->attislocal[j] = (PQgetvalue(res, j, i_attislocal)[0] == 't');
-            tbinfo->notnull[j] = (PQgetvalue(res, j, i_attnotnull)[0] == 't');
-            tbinfo->attoptions[j] = pg_strdup(PQgetvalue(res, j, i_attoptions));
-            tbinfo->attcollation[j] = atooid(PQgetvalue(res, j, i_attcollation));
-            tbinfo->attcompression[j] = *(PQgetvalue(res, j, i_attcompression));
-            tbinfo->attfdwoptions[j] = pg_strdup(PQgetvalue(res, j, i_attfdwoptions));
-            tbinfo->attmissingval[j] = pg_strdup(PQgetvalue(res, j, i_attmissingval));
+            tbinfo->attisdropped[j] = (PQgetvalue(res, r, i_attisdropped)[0] == 't');
+            tbinfo->attlen[j] = atoi(PQgetvalue(res, r, i_attlen));
+            tbinfo->attalign[j] = *(PQgetvalue(res, r, i_attalign));
+            tbinfo->attislocal[j] = (PQgetvalue(res, r, i_attislocal)[0] == 't');
+            tbinfo->notnull[j] = (PQgetvalue(res, r, i_attnotnull)[0] == 't');
+            tbinfo->attoptions[j] = pg_strdup(PQgetvalue(res, r, i_attoptions));
+            tbinfo->attcollation[j] = atooid(PQgetvalue(res, r, i_attcollation));
+            tbinfo->attcompression[j] = *(PQgetvalue(res, r, i_attcompression));
+            tbinfo->attfdwoptions[j] = pg_strdup(PQgetvalue(res, r, i_attfdwoptions));
+            tbinfo->attmissingval[j] = pg_strdup(PQgetvalue(res, r, i_attmissingval));
             tbinfo->attrdefs[j] = NULL; /* fix below */
-            if (PQgetvalue(res, j, i_atthasdef)[0] == 't')
+            if (PQgetvalue(res, r, i_atthasdef)[0] == 't')
                 hasdefaults = true;
             /* these flags will be set in flagInhAttrs() */
             tbinfo->inhNotNull[j] = false;
         }

-        PQclear(res);
-
-        /*
-         * Get info about column defaults.  This is skipped for a data-only
-         * dump, as it is only needed for table schemas.
-         */
-        if (!dopt->dataOnly && hasdefaults)
+        if (hasdefaults)
         {
-            AttrDefInfo *attrdefs;
-            int            numDefaults;
-
-            pg_log_info("finding default expressions of table \"%s.%s\"",
-                        tbinfo->dobj.namespace->dobj.name,
-                        tbinfo->dobj.name);
-
-            printfPQExpBuffer(q, "SELECT tableoid, oid, adnum, "
-                              "pg_catalog.pg_get_expr(adbin, adrelid) AS adsrc "
-                              "FROM pg_catalog.pg_attrdef "
-                              "WHERE adrelid = '%u'::pg_catalog.oid",
-                              tbinfo->dobj.catId.oid);
-
-            res = ExecuteSqlQuery(fout, q->data, PGRES_TUPLES_OK);
+            /* Collect OIDs of interesting tables that have defaults */
+            if (tbloids->len > 1)
+                appendPQExpBufferChar(tbloids, ',');
+            appendPQExpBuffer(tbloids, "%u", tbinfo->dobj.catId.oid);
+        }
+    }

-            numDefaults = PQntuples(res);
-            attrdefs = (AttrDefInfo *) pg_malloc(numDefaults * sizeof(AttrDefInfo));
+    PQclear(res);

-            for (int j = 0; j < numDefaults; j++)
-            {
-                int            adnum;
+    /*
+     * Now get info about column defaults.  This is skipped for a data-only
+     * dump, as it is only needed for table schemas.
+     */
+    if (!dopt->dataOnly && tbloids->len > 1)
+    {
+        AttrDefInfo *attrdefs;
+        int            numDefaults;
+        TableInfo  *tbinfo = NULL;

-                adnum = atoi(PQgetvalue(res, j, 2));
+        pg_log_info("finding table default expressions");

-                if (adnum <= 0 || adnum > ntups)
-                    fatal("invalid adnum value %d for table \"%s\"",
-                          adnum, tbinfo->dobj.name);
+        appendPQExpBufferChar(tbloids, '}');

-                /*
-                 * dropped columns shouldn't have defaults, but just in case,
-                 * ignore 'em
-                 */
-                if (tbinfo->attisdropped[adnum - 1])
-                    continue;
+        printfPQExpBuffer(q, "SELECT a.tableoid, a.oid, adrelid, adnum, "
+                          "pg_catalog.pg_get_expr(adbin, adrelid) AS adsrc\n"
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_attrdef a ON (src.tbloid = a.adrelid)\n"
+                          "ORDER BY a.adrelid, a.adnum",
+                          tbloids->data);

-                attrdefs[j].dobj.objType = DO_ATTRDEF;
-                attrdefs[j].dobj.catId.tableoid = atooid(PQgetvalue(res, j, 0));
-                attrdefs[j].dobj.catId.oid = atooid(PQgetvalue(res, j, 1));
-                AssignDumpId(&attrdefs[j].dobj);
-                attrdefs[j].adtable = tbinfo;
-                attrdefs[j].adnum = adnum;
-                attrdefs[j].adef_expr = pg_strdup(PQgetvalue(res, j, 3));
+        res = ExecuteSqlQuery(fout, q->data, PGRES_TUPLES_OK);

-                attrdefs[j].dobj.name = pg_strdup(tbinfo->dobj.name);
-                attrdefs[j].dobj.namespace = tbinfo->dobj.namespace;
+        numDefaults = PQntuples(res);
+        attrdefs = (AttrDefInfo *) pg_malloc(numDefaults * sizeof(AttrDefInfo));

-                attrdefs[j].dobj.dump = tbinfo->dobj.dump;
+        curtblindx = -1;
+        for (int j = 0; j < numDefaults; j++)
+        {
+            Oid            adtableoid = atooid(PQgetvalue(res, j, 0));
+            Oid            adoid = atooid(PQgetvalue(res, j, 1));
+            Oid            adrelid = atooid(PQgetvalue(res, j, 2));
+            int            adnum = atoi(PQgetvalue(res, j, 3));
+            char       *adsrc = PQgetvalue(res, j, 4);

-                /*
-                 * Figure out whether the default/generation expression should
-                 * be dumped as part of the main CREATE TABLE (or similar)
-                 * command or as a separate ALTER TABLE (or similar) command.
-                 * The preference is to put it into the CREATE command, but in
-                 * some cases that's not possible.
-                 */
-                if (tbinfo->attgenerated[adnum - 1])
-                {
-                    /*
-                     * Column generation expressions cannot be dumped
-                     * separately, because there is no syntax for it.  The
-                     * !shouldPrintColumn case below will be tempted to set
-                     * them to separate if they are attached to an inherited
-                     * column without a local definition, but that would be
-                     * wrong and unnecessary, because generation expressions
-                     * are always inherited, so there is no need to set them
-                     * again in child tables, and there is no syntax for it
-                     * either.  By setting separate to false here we prevent
-                     * the "default" from being processed as its own dumpable
-                     * object, and flagInhAttrs() will remove it from the
-                     * table when it detects that it belongs to an inherited
-                     * column.
-                     */
-                    attrdefs[j].separate = false;
-                }
-                else if (tbinfo->relkind == RELKIND_VIEW)
-                {
-                    /*
-                     * Defaults on a VIEW must always be dumped as separate
-                     * ALTER TABLE commands.
-                     */
-                    attrdefs[j].separate = true;
-                }
-                else if (!shouldPrintColumn(dopt, tbinfo, adnum - 1))
-                {
-                    /* column will be suppressed, print default separately */
-                    attrdefs[j].separate = true;
-                }
-                else
+            /*
+             * Locate the associated TableInfo; we rely on tblinfo[] being in
+             * OID order.
+             */
+            if (tbinfo == NULL || tbinfo->dobj.catId.oid != adrelid)
+            {
+                while (++curtblindx < numTables)
                 {
-                    attrdefs[j].separate = false;
+                    tbinfo = &tblinfo[curtblindx];
+                    if (tbinfo->dobj.catId.oid == adrelid)
+                        break;
                 }
+                if (curtblindx >= numTables)
+                    fatal("unrecognized table OID %u", adrelid);
+            }

-                if (!attrdefs[j].separate)
-                {
-                    /*
-                     * Mark the default as needing to appear before the table,
-                     * so that any dependencies it has must be emitted before
-                     * the CREATE TABLE.  If this is not possible, we'll
-                     * change to "separate" mode while sorting dependencies.
-                     */
-                    addObjectDependency(&tbinfo->dobj,
-                                        attrdefs[j].dobj.dumpId);
-                }
+            if (adnum <= 0 || adnum > tbinfo->numatts)
+                fatal("invalid adnum value %d for table \"%s\"",
+                      adnum, tbinfo->dobj.name);

-                tbinfo->attrdefs[adnum - 1] = &attrdefs[j];
-            }
-            PQclear(res);
-        }
+            /*
+             * dropped columns shouldn't have defaults, but just in case,
+             * ignore 'em
+             */
+            if (tbinfo->attisdropped[adnum - 1])
+                continue;

-        /*
-         * Get info about table CHECK constraints.  This is skipped for a
-         * data-only dump, as it is only needed for table schemas.
-         */
-        if (tbinfo->ncheck > 0 && !dopt->dataOnly)
-        {
-            ConstraintInfo *constrs;
-            int            numConstrs;
+            attrdefs[j].dobj.objType = DO_ATTRDEF;
+            attrdefs[j].dobj.catId.tableoid = adtableoid;
+            attrdefs[j].dobj.catId.oid = adoid;
+            AssignDumpId(&attrdefs[j].dobj);
+            attrdefs[j].adtable = tbinfo;
+            attrdefs[j].adnum = adnum;
+            attrdefs[j].adef_expr = pg_strdup(adsrc);
+
+            attrdefs[j].dobj.name = pg_strdup(tbinfo->dobj.name);
+            attrdefs[j].dobj.namespace = tbinfo->dobj.namespace;

-            pg_log_info("finding check constraints for table \"%s.%s\"",
-                        tbinfo->dobj.namespace->dobj.name,
-                        tbinfo->dobj.name);
+            attrdefs[j].dobj.dump = tbinfo->dobj.dump;

-            resetPQExpBuffer(q);
-            if (fout->remoteVersion >= 90200)
+            /*
+             * Figure out whether the default/generation expression should be
+             * dumped as part of the main CREATE TABLE (or similar) command or
+             * as a separate ALTER TABLE (or similar) command. The preference
+             * is to put it into the CREATE command, but in some cases that's
+             * not possible.
+             */
+            if (tbinfo->attgenerated[adnum - 1])
+            {
+                /*
+                 * Column generation expressions cannot be dumped separately,
+                 * because there is no syntax for it.  The !shouldPrintColumn
+                 * case below will be tempted to set them to separate if they
+                 * are attached to an inherited column without a local
+                 * definition, but that would be wrong and unnecessary,
+                 * because generation expressions are always inherited, so
+                 * there is no need to set them again in child tables, and
+                 * there is no syntax for it either.  By setting separate to
+                 * false here we prevent the "default" from being processed as
+                 * its own dumpable object, and flagInhAttrs() will remove it
+                 * from the table when it detects that it belongs to an
+                 * inherited column.
+                 */
+                attrdefs[j].separate = false;
+            }
+            else if (tbinfo->relkind == RELKIND_VIEW)
             {
                 /*
-                 * convalidated is new in 9.2 (actually, it is there in 9.1,
-                 * but it wasn't ever false for check constraints until 9.2).
+                 * Defaults on a VIEW must always be dumped as separate ALTER
+                 * TABLE commands.
                  */
-                appendPQExpBuffer(q, "SELECT tableoid, oid, conname, "
-                                  "pg_catalog.pg_get_constraintdef(oid) AS consrc, "
-                                  "conislocal, convalidated "
-                                  "FROM pg_catalog.pg_constraint "
-                                  "WHERE conrelid = '%u'::pg_catalog.oid "
-                                  "   AND contype = 'c' "
-                                  "ORDER BY conname",
-                                  tbinfo->dobj.catId.oid);
+                attrdefs[j].separate = true;
             }
-            else if (fout->remoteVersion >= 80400)
+            else if (!shouldPrintColumn(dopt, tbinfo, adnum - 1))
             {
-                /* conislocal is new in 8.4 */
-                appendPQExpBuffer(q, "SELECT tableoid, oid, conname, "
-                                  "pg_catalog.pg_get_constraintdef(oid) AS consrc, "
-                                  "conislocal, true AS convalidated "
-                                  "FROM pg_catalog.pg_constraint "
-                                  "WHERE conrelid = '%u'::pg_catalog.oid "
-                                  "   AND contype = 'c' "
-                                  "ORDER BY conname",
-                                  tbinfo->dobj.catId.oid);
+                /* column will be suppressed, print default separately */
+                attrdefs[j].separate = true;
             }
             else
             {
-                appendPQExpBuffer(q, "SELECT tableoid, oid, conname, "
-                                  "pg_catalog.pg_get_constraintdef(oid) AS consrc, "
-                                  "true AS conislocal, true AS convalidated "
-                                  "FROM pg_catalog.pg_constraint "
-                                  "WHERE conrelid = '%u'::pg_catalog.oid "
-                                  "   AND contype = 'c' "
-                                  "ORDER BY conname",
-                                  tbinfo->dobj.catId.oid);
+                attrdefs[j].separate = false;
             }

-            res = ExecuteSqlQuery(fout, q->data, PGRES_TUPLES_OK);
+            if (!attrdefs[j].separate)
+            {
+                /*
+                 * Mark the default as needing to appear before the table, so
+                 * that any dependencies it has must be emitted before the
+                 * CREATE TABLE.  If this is not possible, we'll change to
+                 * "separate" mode while sorting dependencies.
+                 */
+                addObjectDependency(&tbinfo->dobj,
+                                    attrdefs[j].dobj.dumpId);
+            }
+
+            tbinfo->attrdefs[adnum - 1] = &attrdefs[j];
+        }
+
+        PQclear(res);
+    }

-            numConstrs = PQntuples(res);
-            if (numConstrs != tbinfo->ncheck)
+    /*
+     * Get info about table CHECK constraints.  This is skipped for a
+     * data-only dump, as it is only needed for table schemas.
+     */
+    if (!dopt->dataOnly && checkoids->len > 2)
+    {
+        ConstraintInfo *constrs;
+        int            numConstrs;
+        int            i_tableoid;
+        int            i_oid;
+        int            i_conrelid;
+        int            i_conname;
+        int            i_consrc;
+        int            i_conislocal;
+        int            i_convalidated;
+
+        pg_log_info("finding table check constraints");
+
+        resetPQExpBuffer(q);
+        appendPQExpBufferStr(q,
+                             "SELECT c.tableoid, c.oid, conrelid, conname, "
+                             "pg_catalog.pg_get_constraintdef(c.oid) AS consrc, ");
+        if (fout->remoteVersion >= 90200)
+        {
+            /*
+             * convalidated is new in 9.2 (actually, it is there in 9.1, but
+             * it wasn't ever false for check constraints until 9.2).
+             */
+            appendPQExpBufferStr(q,
+                                 "conislocal, convalidated ");
+        }
+        else if (fout->remoteVersion >= 80400)
+        {
+            /* conislocal is new in 8.4 */
+            appendPQExpBufferStr(q,
+                                 "conislocal, true AS convalidated ");
+        }
+        else
+        {
+            appendPQExpBufferStr(q,
+                                 "true AS conislocal, true AS convalidated ");
+        }
+        appendPQExpBuffer(q,
+                          "FROM unnest('%s'::pg_catalog.oid[]) AS src(tbloid)\n"
+                          "JOIN pg_catalog.pg_constraint c ON (src.tbloid = c.conrelid)\n"
+                          "WHERE contype = 'c' "
+                          "ORDER BY c.conrelid, c.conname",
+                          checkoids->data);
+
+        res = ExecuteSqlQuery(fout, q->data, PGRES_TUPLES_OK);
+
+        numConstrs = PQntuples(res);
+        constrs = (ConstraintInfo *) pg_malloc(numConstrs * sizeof(ConstraintInfo));
+
+        i_tableoid = PQfnumber(res, "tableoid");
+        i_oid = PQfnumber(res, "oid");
+        i_conrelid = PQfnumber(res, "conrelid");
+        i_conname = PQfnumber(res, "conname");
+        i_consrc = PQfnumber(res, "consrc");
+        i_conislocal = PQfnumber(res, "conislocal");
+        i_convalidated = PQfnumber(res, "convalidated");
+
+        /* As above, this loop iterates once per table, not once per row */
+        curtblindx = -1;
+        for (int j = 0; j < numConstrs;)
+        {
+            Oid            conrelid = atooid(PQgetvalue(res, j, i_conrelid));
+            TableInfo  *tbinfo = NULL;
+            int            numcons;
+
+            /* Count rows for this table */
+            for (numcons = 1; numcons < numConstrs - j; numcons++)
+                if (atooid(PQgetvalue(res, j + numcons, i_conrelid)) != conrelid)
+                    break;
+
+            /*
+             * Locate the associated TableInfo; we rely on tblinfo[] being in
+             * OID order.
+             */
+            while (++curtblindx < numTables)
+            {
+                tbinfo = &tblinfo[curtblindx];
+                if (tbinfo->dobj.catId.oid == conrelid)
+                    break;
+            }
+            if (curtblindx >= numTables)
+                fatal("unrecognized table OID %u", conrelid);
+
+            if (numcons != tbinfo->ncheck)
             {
                 pg_log_error(ngettext("expected %d check constraint on table \"%s\" but found %d",
                                       "expected %d check constraints on table \"%s\" but found %d",
                                       tbinfo->ncheck),
-                             tbinfo->ncheck, tbinfo->dobj.name, numConstrs);
+                             tbinfo->ncheck, tbinfo->dobj.name, numcons);
                 pg_log_error("(The system catalogs might be corrupted.)");
                 exit_nicely(1);
             }

-            constrs = (ConstraintInfo *) pg_malloc(numConstrs * sizeof(ConstraintInfo));
-            tbinfo->checkexprs = constrs;
+            tbinfo->checkexprs = constrs + j;

-            for (int j = 0; j < numConstrs; j++)
+            for (int c = 0; c < numcons; c++, j++)
             {
-                bool        validated = PQgetvalue(res, j, 5)[0] == 't';
+                bool        validated = PQgetvalue(res, j, i_convalidated)[0] == 't';

                 constrs[j].dobj.objType = DO_CONSTRAINT;
-                constrs[j].dobj.catId.tableoid = atooid(PQgetvalue(res, j, 0));
-                constrs[j].dobj.catId.oid = atooid(PQgetvalue(res, j, 1));
+                constrs[j].dobj.catId.tableoid = atooid(PQgetvalue(res, j, i_tableoid));
+                constrs[j].dobj.catId.oid = atooid(PQgetvalue(res, j, i_oid));
                 AssignDumpId(&constrs[j].dobj);
-                constrs[j].dobj.name = pg_strdup(PQgetvalue(res, j, 2));
+                constrs[j].dobj.name = pg_strdup(PQgetvalue(res, j, i_conname));
                 constrs[j].dobj.namespace = tbinfo->dobj.namespace;
                 constrs[j].contable = tbinfo;
                 constrs[j].condomain = NULL;
                 constrs[j].contype = 'c';
-                constrs[j].condef = pg_strdup(PQgetvalue(res, j, 3));
+                constrs[j].condef = pg_strdup(PQgetvalue(res, j, i_consrc));
                 constrs[j].confrelid = InvalidOid;
                 constrs[j].conindex = 0;
                 constrs[j].condeferrable = false;
                 constrs[j].condeferred = false;
-                constrs[j].conislocal = (PQgetvalue(res, j, 4)[0] == 't');
+                constrs[j].conislocal = (PQgetvalue(res, j, i_conislocal)[0] == 't');

                 /*
                  * An unvalidated constraint needs to be dumped separately, so
@@ -8586,11 +8831,14 @@ getTableAttrs(Archive *fout, TableInfo *tblinfo, int numTables)
                  * constraint must be split out from the table definition.
                  */
             }
-            PQclear(res);
         }
+
+        PQclear(res);
     }

     destroyPQExpBuffer(q);
+    destroyPQExpBuffer(tbloids);
+    destroyPQExpBuffer(checkoids);
 }

 /*
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 45bae2ffe1..e54c3c04cb 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -2425,13 +2425,26 @@ dumpTableData(Archive *fout, const TableDataInfo *tdinfo)
         /*
          * Set the TocEntry's dataLength in case we are doing a parallel dump
          * and want to order dump jobs by table size.  We choose to measure
-         * dataLength in table pages during dump, so no scaling is needed.
+         * dataLength in table pages (including TOAST pages) during dump, so
+         * no scaling is needed.
+         *
          * However, relpages is declared as "integer" in pg_class, and hence
          * also in TableInfo, but it's really BlockNumber a/k/a unsigned int.
          * Cast so that we get the right interpretation of table sizes
          * exceeding INT_MAX pages.
          */
         te->dataLength = (BlockNumber) tbinfo->relpages;
+        te->dataLength += (BlockNumber) tbinfo->toastpages;
+
+        /*
+         * If pgoff_t is only 32 bits wide, the above refinement is useless,
+         * and instead we'd better worry about integer overflow.  Clamp to
+         * INT_MAX if the correct result exceeds that.
+         */
+        if (sizeof(te->dataLength) == 4 &&
+            (tbinfo->relpages < 0 || tbinfo->toastpages < 0 ||
+             te->dataLength < 0))
+            te->dataLength = INT_MAX;
     }

     destroyPQExpBuffer(copyBuf);
@@ -6086,6 +6099,7 @@ getTables(Archive *fout, int *numTables)
     int            i_relhasindex;
     int            i_relhasrules;
     int            i_relpages;
+    int            i_toastpages;
     int            i_owning_tab;
     int            i_owning_col;
     int            i_reltablespace;
@@ -6135,6 +6149,7 @@ getTables(Archive *fout, int *numTables)
                       "(%s c.relowner) AS rolname, "
                       "c.relchecks, "
                       "c.relhasindex, c.relhasrules, c.relpages, "
+                      "tc.relpages AS toastpages, "
                       "d.refobjid AS owning_tab, "
                       "d.refobjsubid AS owning_col, "
                       "tsp.spcname AS reltablespace, ",
@@ -6291,17 +6306,14 @@ getTables(Archive *fout, int *numTables)
                              "LEFT JOIN pg_am am ON (c.relam = am.oid)\n");

     /*
-     * We don't need any data from the TOAST table before 8.2.
-     *
      * We purposefully ignore toast OIDs for partitioned tables; the reason is
      * that versions 10 and 11 have them, but later versions do not, so
      * emitting them causes the upgrade to fail.
      */
-    if (fout->remoteVersion >= 80200)
-        appendPQExpBufferStr(query,
-                             "LEFT JOIN pg_class tc ON (c.reltoastrelid = tc.oid"
-                             " AND tc.relkind = " CppAsString2(RELKIND_TOASTVALUE)
-                             " AND c.relkind <> " CppAsString2(RELKIND_PARTITIONED_TABLE) ")\n");
+    appendPQExpBufferStr(query,
+                         "LEFT JOIN pg_class tc ON (c.reltoastrelid = tc.oid"
+                         " AND tc.relkind = " CppAsString2(RELKIND_TOASTVALUE)
+                         " AND c.relkind <> " CppAsString2(RELKIND_PARTITIONED_TABLE) ")\n");

     /*
      * Restrict to interesting relkinds (in particular, not indexes).  Not all
@@ -6352,6 +6364,7 @@ getTables(Archive *fout, int *numTables)
     i_relhasindex = PQfnumber(res, "relhasindex");
     i_relhasrules = PQfnumber(res, "relhasrules");
     i_relpages = PQfnumber(res, "relpages");
+    i_toastpages = PQfnumber(res, "toastpages");
     i_owning_tab = PQfnumber(res, "owning_tab");
     i_owning_col = PQfnumber(res, "owning_col");
     i_reltablespace = PQfnumber(res, "reltablespace");
@@ -6413,6 +6426,10 @@ getTables(Archive *fout, int *numTables)
         tblinfo[i].hasindex = (strcmp(PQgetvalue(res, i, i_relhasindex), "t") == 0);
         tblinfo[i].hasrules = (strcmp(PQgetvalue(res, i, i_relhasrules), "t") == 0);
         tblinfo[i].relpages = atoi(PQgetvalue(res, i, i_relpages));
+        if (PQgetisnull(res, i, i_toastpages))
+            tblinfo[i].toastpages = 0;
+        else
+            tblinfo[i].toastpages = atoi(PQgetvalue(res, i, i_toastpages));
         if (PQgetisnull(res, i, i_owning_tab))
         {
             tblinfo[i].owning_tab = InvalidOid;
@@ -10229,7 +10246,7 @@ dumpDumpableObject(Archive *fout, DumpableObject *dobj)
                  * about is allowing blob dumping to be parallelized, not just
                  * getting a smarter estimate for the single TOC entry.)
                  */
-                te->dataLength = MaxBlockNumber;
+                te->dataLength = INT_MAX;
             }
             break;
         case DO_POLICY:
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index 9061812c08..0936ec49bf 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -314,6 +314,7 @@ typedef struct _tableInfo
     int            owning_col;        /* attr # of column owning sequence */
     bool        is_identity_sequence;
     int            relpages;        /* table's size in pages (from pg_class) */
+    int            toastpages;        /* toast table's size in pages, if any */

     bool        interesting;    /* true if need to collect more data */
     bool        dummy_view;        /* view's real definition must be postponed */
diff --git a/src/bin/pg_dump/pg_backup.h b/src/bin/pg_dump/pg_backup.h
index 6af10a85a2..d3aac0dbdf 100644
--- a/src/bin/pg_dump/pg_backup.h
+++ b/src/bin/pg_dump/pg_backup.h
@@ -58,6 +58,23 @@ typedef enum _teSection
     SECTION_POST_DATA            /* stuff to be processed after data */
 } teSection;

+/* We need one enum entry per prepared query in pg_dump */
+enum _dumpPreparedQueries
+{
+    PREPQUERY_DUMPAGG,
+    PREPQUERY_DUMPBASETYPE,
+    PREPQUERY_DUMPCOMPOSITETYPE,
+    PREPQUERY_DUMPDOMAIN,
+    PREPQUERY_DUMPENUMTYPE,
+    PREPQUERY_DUMPFUNC,
+    PREPQUERY_DUMPOPR,
+    PREPQUERY_DUMPRANGETYPE,
+    PREPQUERY_DUMPTABLEATTACH,
+    PREPQUERY_GETCOLUMNACLS,
+    PREPQUERY_GETDOMAINCONSTRAINTS,
+    NUM_PREP_QUERIES            /* must be last */
+};
+
 /* Parameters needed by ConnectDatabase; same for dump and restore */
 typedef struct _connParams
 {
@@ -214,6 +231,9 @@ typedef struct Archive
     bool        exit_on_error;    /* whether to exit on SQL errors... */
     int            n_errors;        /* number of errors (if no die) */

+    /* prepared-query status */
+    bool       *is_prepared;    /* indexed by enum _dumpPreparedQueries */
+
     /* The rest is private */
 } Archive;

diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index e54c3c04cb..212203a32e 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -1208,6 +1208,12 @@ setup_connection(Archive *AH, const char *dumpencoding,
             ExecuteSqlStatement(AH, "SET row_security = off");
     }

+    /*
+     * Initialize prepared-query state to "nothing prepared".  We do this here
+     * so that a parallel dump worker will have its own state.
+     */
+    AH->is_prepared = (bool *) pg_malloc0(NUM_PREP_QUERIES * sizeof(bool));
+
     /*
      * Start transaction-snapshot mode transaction to dump consistent data.
      */
@@ -7332,7 +7338,7 @@ getDomainConstraints(Archive *fout, TypeInfo *tyinfo)
 {
     int            i;
     ConstraintInfo *constrinfo;
-    PQExpBuffer query;
+    PQExpBuffer query = createPQExpBuffer();
     PGresult   *res;
     int            i_tableoid,
                 i_oid,
@@ -7340,25 +7346,35 @@ getDomainConstraints(Archive *fout, TypeInfo *tyinfo)
                 i_consrc;
     int            ntups;

-    query = createPQExpBuffer();
+    if (!fout->is_prepared[PREPQUERY_GETDOMAINCONSTRAINTS])
+    {
+        /* Set up query for constraint-specific details */
+        appendPQExpBufferStr(query,
+                             "PREPARE getDomainConstraints(pg_catalog.oid) AS\n");
+
+        if (fout->remoteVersion >= 90100)
+            appendPQExpBufferStr(query, "SELECT tableoid, oid, conname, "
+                                 "pg_catalog.pg_get_constraintdef(oid) AS consrc, "
+                                 "convalidated "
+                                 "FROM pg_catalog.pg_constraint "
+                                 "WHERE contypid = $1 "
+                                 "ORDER BY conname");
+        else
+            appendPQExpBufferStr(query, "SELECT tableoid, oid, conname, "
+                                 "pg_catalog.pg_get_constraintdef(oid) AS consrc, "
+                                 "true as convalidated "
+                                 "FROM pg_catalog.pg_constraint "
+                                 "WHERE contypid = $1 "
+                                 "ORDER BY conname");

-    if (fout->remoteVersion >= 90100)
-        appendPQExpBuffer(query, "SELECT tableoid, oid, conname, "
-                          "pg_catalog.pg_get_constraintdef(oid) AS consrc, "
-                          "convalidated "
-                          "FROM pg_catalog.pg_constraint "
-                          "WHERE contypid = '%u'::pg_catalog.oid "
-                          "ORDER BY conname",
-                          tyinfo->dobj.catId.oid);
+        ExecuteSqlStatement(fout, query->data);

-    else
-        appendPQExpBuffer(query, "SELECT tableoid, oid, conname, "
-                          "pg_catalog.pg_get_constraintdef(oid) AS consrc, "
-                          "true as convalidated "
-                          "FROM pg_catalog.pg_constraint "
-                          "WHERE contypid = '%u'::pg_catalog.oid "
-                          "ORDER BY conname",
-                          tyinfo->dobj.catId.oid);
+        fout->is_prepared[PREPQUERY_GETDOMAINCONSTRAINTS] = true;
+    }
+
+    printfPQExpBuffer(query,
+                      "EXECUTE getDomainConstraints('%u')",
+                      tyinfo->dobj.catId.oid);

     res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);

@@ -10527,18 +10543,31 @@ dumpEnumType(Archive *fout, const TypeInfo *tyinfo)
     int            i_enumlabel;
     int            i_oid;

-    if (fout->remoteVersion >= 90100)
-        appendPQExpBuffer(query, "SELECT oid, enumlabel "
-                          "FROM pg_catalog.pg_enum "
-                          "WHERE enumtypid = '%u'"
-                          "ORDER BY enumsortorder",
-                          tyinfo->dobj.catId.oid);
-    else
-        appendPQExpBuffer(query, "SELECT oid, enumlabel "
-                          "FROM pg_catalog.pg_enum "
-                          "WHERE enumtypid = '%u'"
-                          "ORDER BY oid",
-                          tyinfo->dobj.catId.oid);
+    if (!fout->is_prepared[PREPQUERY_DUMPENUMTYPE])
+    {
+        /* Set up query for enum-specific details */
+        appendPQExpBufferStr(query,
+                             "PREPARE dumpEnumType(pg_catalog.oid) AS\n");
+
+        if (fout->remoteVersion >= 90100)
+            appendPQExpBufferStr(query, "SELECT oid, enumlabel "
+                                 "FROM pg_catalog.pg_enum "
+                                 "WHERE enumtypid = $1 "
+                                 "ORDER BY enumsortorder");
+        else
+            appendPQExpBufferStr(query, "SELECT oid, enumlabel "
+                                 "FROM pg_catalog.pg_enum "
+                                 "WHERE enumtypid = $1 "
+                                 "ORDER BY oid");
+
+        ExecuteSqlStatement(fout, query->data);
+
+        fout->is_prepared[PREPQUERY_DUMPENUMTYPE] = true;
+    }
+
+    printfPQExpBuffer(query,
+                      "EXECUTE dumpEnumType('%u')",
+                      tyinfo->dobj.catId.oid);

     res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);

@@ -10657,29 +10686,43 @@ dumpRangeType(Archive *fout, const TypeInfo *tyinfo)
     char       *qualtypname;
     char       *procname;

-    appendPQExpBuffer(query,
-                      "SELECT ");
+    if (!fout->is_prepared[PREPQUERY_DUMPRANGETYPE])
+    {
+        /* Set up query for range-specific details */
+        appendPQExpBufferStr(query,
+                             "PREPARE dumpRangeType(pg_catalog.oid) AS\n");

-    if (fout->remoteVersion >= 140000)
-        appendPQExpBuffer(query,
-                          "pg_catalog.format_type(rngmultitypid, NULL) AS rngmultitype, ");
-    else
-        appendPQExpBuffer(query,
-                          "NULL AS rngmultitype, ");
+        appendPQExpBufferStr(query,
+                             "SELECT ");

-    appendPQExpBuffer(query,
-                      "pg_catalog.format_type(rngsubtype, NULL) AS rngsubtype, "
-                      "opc.opcname AS opcname, "
-                      "(SELECT nspname FROM pg_catalog.pg_namespace nsp "
-                      "  WHERE nsp.oid = opc.opcnamespace) AS opcnsp, "
-                      "opc.opcdefault, "
-                      "CASE WHEN rngcollation = st.typcollation THEN 0 "
-                      "     ELSE rngcollation END AS collation, "
-                      "rngcanonical, rngsubdiff "
-                      "FROM pg_catalog.pg_range r, pg_catalog.pg_type st, "
-                      "     pg_catalog.pg_opclass opc "
-                      "WHERE st.oid = rngsubtype AND opc.oid = rngsubopc AND "
-                      "rngtypid = '%u'",
+        if (fout->remoteVersion >= 140000)
+            appendPQExpBufferStr(query,
+                                 "pg_catalog.format_type(rngmultitypid, NULL) AS rngmultitype, ");
+        else
+            appendPQExpBufferStr(query,
+                                 "NULL AS rngmultitype, ");
+
+        appendPQExpBufferStr(query,
+                             "pg_catalog.format_type(rngsubtype, NULL) AS rngsubtype, "
+                             "opc.opcname AS opcname, "
+                             "(SELECT nspname FROM pg_catalog.pg_namespace nsp "
+                             "  WHERE nsp.oid = opc.opcnamespace) AS opcnsp, "
+                             "opc.opcdefault, "
+                             "CASE WHEN rngcollation = st.typcollation THEN 0 "
+                             "     ELSE rngcollation END AS collation, "
+                             "rngcanonical, rngsubdiff "
+                             "FROM pg_catalog.pg_range r, pg_catalog.pg_type st, "
+                             "     pg_catalog.pg_opclass opc "
+                             "WHERE st.oid = rngsubtype AND opc.oid = rngsubopc AND "
+                             "rngtypid = $1");
+
+        ExecuteSqlStatement(fout, query->data);
+
+        fout->is_prepared[PREPQUERY_DUMPRANGETYPE] = true;
+    }
+
+    printfPQExpBuffer(query,
+                      "EXECUTE dumpRangeType('%u')",
                       tyinfo->dobj.catId.oid);

     res = ExecuteSqlQueryForSingleRow(fout, query->data);
@@ -10887,55 +10930,68 @@ dumpBaseType(Archive *fout, const TypeInfo *tyinfo)
     char       *typdefault;
     bool        typdefault_is_literal = false;

-    /* Fetch type-specific details */
-    appendPQExpBufferStr(query, "SELECT typlen, "
-                         "typinput, typoutput, typreceive, typsend, "
-                         "typreceive::pg_catalog.oid AS typreceiveoid, "
-                         "typsend::pg_catalog.oid AS typsendoid, "
-                         "typanalyze, "
-                         "typanalyze::pg_catalog.oid AS typanalyzeoid, "
-                         "typdelim, typbyval, typalign, typstorage, ");
-
-    if (fout->remoteVersion >= 80300)
-        appendPQExpBufferStr(query,
-                             "typmodin, typmodout, "
-                             "typmodin::pg_catalog.oid AS typmodinoid, "
-                             "typmodout::pg_catalog.oid AS typmodoutoid, ");
-    else
+    if (!fout->is_prepared[PREPQUERY_DUMPBASETYPE])
+    {
+        /* Set up query for type-specific details */
         appendPQExpBufferStr(query,
-                             "'-' AS typmodin, '-' AS typmodout, "
-                             "0 AS typmodinoid, 0 AS typmodoutoid, ");
+                             "PREPARE dumpBaseType(pg_catalog.oid) AS\n");

-    if (fout->remoteVersion >= 80400)
-        appendPQExpBufferStr(query,
-                             "typcategory, typispreferred, ");
-    else
-        appendPQExpBufferStr(query,
-                             "'U' AS typcategory, false AS typispreferred, ");
+        appendPQExpBufferStr(query, "SELECT typlen, "
+                             "typinput, typoutput, typreceive, typsend, "
+                             "typreceive::pg_catalog.oid AS typreceiveoid, "
+                             "typsend::pg_catalog.oid AS typsendoid, "
+                             "typanalyze, "
+                             "typanalyze::pg_catalog.oid AS typanalyzeoid, "
+                             "typdelim, typbyval, typalign, typstorage, ");

-    if (fout->remoteVersion >= 90100)
-        appendPQExpBufferStr(query, "(typcollation <> 0) AS typcollatable, ");
-    else
-        appendPQExpBufferStr(query, "false AS typcollatable, ");
+        if (fout->remoteVersion >= 80300)
+            appendPQExpBufferStr(query,
+                                 "typmodin, typmodout, "
+                                 "typmodin::pg_catalog.oid AS typmodinoid, "
+                                 "typmodout::pg_catalog.oid AS typmodoutoid, ");
+        else
+            appendPQExpBufferStr(query,
+                                 "'-' AS typmodin, '-' AS typmodout, "
+                                 "0 AS typmodinoid, 0 AS typmodoutoid, ");

-    if (fout->remoteVersion >= 140000)
-        appendPQExpBufferStr(query,
-                             "typsubscript, "
-                             "typsubscript::pg_catalog.oid AS typsubscriptoid, ");
-    else
-        appendPQExpBufferStr(query,
-                             "'-' AS typsubscript, 0 AS typsubscriptoid, ");
+        if (fout->remoteVersion >= 80400)
+            appendPQExpBufferStr(query,
+                                 "typcategory, typispreferred, ");
+        else
+            appendPQExpBufferStr(query,
+                                 "'U' AS typcategory, false AS typispreferred, ");

-    /* Before 8.4, pg_get_expr does not allow 0 for its second arg */
-    if (fout->remoteVersion >= 80400)
-        appendPQExpBufferStr(query,
-                             "pg_catalog.pg_get_expr(typdefaultbin, 0) AS typdefaultbin, typdefault ");
-    else
-        appendPQExpBufferStr(query,
-                             "pg_catalog.pg_get_expr(typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass) AS
typdefaultbin,typdefault "); 
+        if (fout->remoteVersion >= 90100)
+            appendPQExpBufferStr(query, "(typcollation <> 0) AS typcollatable, ");
+        else
+            appendPQExpBufferStr(query, "false AS typcollatable, ");

-    appendPQExpBuffer(query, "FROM pg_catalog.pg_type "
-                      "WHERE oid = '%u'::pg_catalog.oid",
+        if (fout->remoteVersion >= 140000)
+            appendPQExpBufferStr(query,
+                                 "typsubscript, "
+                                 "typsubscript::pg_catalog.oid AS typsubscriptoid, ");
+        else
+            appendPQExpBufferStr(query,
+                                 "'-' AS typsubscript, 0 AS typsubscriptoid, ");
+
+        /* Before 8.4, pg_get_expr does not allow 0 for its second arg */
+        if (fout->remoteVersion >= 80400)
+            appendPQExpBufferStr(query,
+                                 "pg_catalog.pg_get_expr(typdefaultbin, 0) AS typdefaultbin, typdefault ");
+        else
+            appendPQExpBufferStr(query,
+                                 "pg_catalog.pg_get_expr(typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass) AS
typdefaultbin,typdefault "); 
+
+        appendPQExpBufferStr(query, "FROM pg_catalog.pg_type "
+                             "WHERE oid = $1");
+
+        ExecuteSqlStatement(fout, query->data);
+
+        fout->is_prepared[PREPQUERY_DUMPBASETYPE] = true;
+    }
+
+    printfPQExpBuffer(query,
+                      "EXECUTE dumpBaseType('%u')",
                       tyinfo->dobj.catId.oid);

     res = ExecuteSqlQueryForSingleRow(fout, query->data);
@@ -11130,32 +11186,44 @@ dumpDomain(Archive *fout, const TypeInfo *tyinfo)
     Oid            typcollation;
     bool        typdefault_is_literal = false;

-    /* Fetch domain specific details */
-    if (fout->remoteVersion >= 90100)
+    if (!fout->is_prepared[PREPQUERY_DUMPDOMAIN])
     {
-        /* typcollation is new in 9.1 */
-        appendPQExpBuffer(query, "SELECT t.typnotnull, "
-                          "pg_catalog.format_type(t.typbasetype, t.typtypmod) AS typdefn, "
-                          "pg_catalog.pg_get_expr(t.typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass) AS
typdefaultbin," 
-                          "t.typdefault, "
-                          "CASE WHEN t.typcollation <> u.typcollation "
-                          "THEN t.typcollation ELSE 0 END AS typcollation "
-                          "FROM pg_catalog.pg_type t "
-                          "LEFT JOIN pg_catalog.pg_type u ON (t.typbasetype = u.oid) "
-                          "WHERE t.oid = '%u'::pg_catalog.oid",
-                          tyinfo->dobj.catId.oid);
-    }
-    else
-    {
-        appendPQExpBuffer(query, "SELECT typnotnull, "
-                          "pg_catalog.format_type(typbasetype, typtypmod) AS typdefn, "
-                          "pg_catalog.pg_get_expr(typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass) AS
typdefaultbin," 
-                          "typdefault, 0 AS typcollation "
-                          "FROM pg_catalog.pg_type "
-                          "WHERE oid = '%u'::pg_catalog.oid",
-                          tyinfo->dobj.catId.oid);
+        /* Set up query for domain-specific details */
+        appendPQExpBufferStr(query,
+                             "PREPARE dumpDomain(pg_catalog.oid) AS\n");
+
+        if (fout->remoteVersion >= 90100)
+        {
+            /* typcollation is new in 9.1 */
+            appendPQExpBufferStr(query, "SELECT t.typnotnull, "
+                                 "pg_catalog.format_type(t.typbasetype, t.typtypmod) AS typdefn, "
+                                 "pg_catalog.pg_get_expr(t.typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass)
AStypdefaultbin, " 
+                                 "t.typdefault, "
+                                 "CASE WHEN t.typcollation <> u.typcollation "
+                                 "THEN t.typcollation ELSE 0 END AS typcollation "
+                                 "FROM pg_catalog.pg_type t "
+                                 "LEFT JOIN pg_catalog.pg_type u ON (t.typbasetype = u.oid) "
+                                 "WHERE t.oid = $1");
+        }
+        else
+        {
+            appendPQExpBufferStr(query, "SELECT typnotnull, "
+                                 "pg_catalog.format_type(typbasetype, typtypmod) AS typdefn, "
+                                 "pg_catalog.pg_get_expr(typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass) AS
typdefaultbin," 
+                                 "typdefault, 0 AS typcollation "
+                                 "FROM pg_catalog.pg_type "
+                                 "WHERE oid = $1");
+        }
+
+        ExecuteSqlStatement(fout, query->data);
+
+        fout->is_prepared[PREPQUERY_DUMPDOMAIN] = true;
     }

+    printfPQExpBuffer(query,
+                      "EXECUTE dumpDomain('%u')",
+                      tyinfo->dobj.catId.oid);
+
     res = ExecuteSqlQueryForSingleRow(fout, query->data);

     typnotnull = PQgetvalue(res, 0, PQfnumber(res, "typnotnull"));
@@ -11308,45 +11376,57 @@ dumpCompositeType(Archive *fout, const TypeInfo *tyinfo)
     int            i;
     int            actual_atts;

-    /* Fetch type specific details */
-    if (fout->remoteVersion >= 90100)
-    {
-        /*
-         * attcollation is new in 9.1.  Since we only want to dump COLLATE
-         * clauses for attributes whose collation is different from their
-         * type's default, we use a CASE here to suppress uninteresting
-         * attcollations cheaply.  atttypid will be 0 for dropped columns;
-         * collation does not matter for those.
-         */
-        appendPQExpBuffer(query, "SELECT a.attname, "
-                          "pg_catalog.format_type(a.atttypid, a.atttypmod) AS atttypdefn, "
-                          "a.attlen, a.attalign, a.attisdropped, "
-                          "CASE WHEN a.attcollation <> at.typcollation "
-                          "THEN a.attcollation ELSE 0 END AS attcollation "
-                          "FROM pg_catalog.pg_type ct "
-                          "JOIN pg_catalog.pg_attribute a ON a.attrelid = ct.typrelid "
-                          "LEFT JOIN pg_catalog.pg_type at ON at.oid = a.atttypid "
-                          "WHERE ct.oid = '%u'::pg_catalog.oid "
-                          "ORDER BY a.attnum ",
-                          tyinfo->dobj.catId.oid);
-    }
-    else
+    if (!fout->is_prepared[PREPQUERY_DUMPCOMPOSITETYPE])
     {
-        /*
-         * Since ALTER TYPE could not drop columns until 9.1, attisdropped
-         * should always be false.
-         */
-        appendPQExpBuffer(query, "SELECT a.attname, "
-                          "pg_catalog.format_type(a.atttypid, a.atttypmod) AS atttypdefn, "
-                          "a.attlen, a.attalign, a.attisdropped, "
-                          "0 AS attcollation "
-                          "FROM pg_catalog.pg_type ct, pg_catalog.pg_attribute a "
-                          "WHERE ct.oid = '%u'::pg_catalog.oid "
-                          "AND a.attrelid = ct.typrelid "
-                          "ORDER BY a.attnum ",
-                          tyinfo->dobj.catId.oid);
+        /* Set up query for type-specific details */
+        appendPQExpBufferStr(query,
+                             "PREPARE dumpCompositeType(pg_catalog.oid) AS\n");
+
+        if (fout->remoteVersion >= 90100)
+        {
+            /*
+             * attcollation is new in 9.1.  Since we only want to dump COLLATE
+             * clauses for attributes whose collation is different from their
+             * type's default, we use a CASE here to suppress uninteresting
+             * attcollations cheaply.  atttypid will be 0 for dropped columns;
+             * collation does not matter for those.
+             */
+            appendPQExpBufferStr(query, "SELECT a.attname, "
+                                 "pg_catalog.format_type(a.atttypid, a.atttypmod) AS atttypdefn, "
+                                 "a.attlen, a.attalign, a.attisdropped, "
+                                 "CASE WHEN a.attcollation <> at.typcollation "
+                                 "THEN a.attcollation ELSE 0 END AS attcollation "
+                                 "FROM pg_catalog.pg_type ct "
+                                 "JOIN pg_catalog.pg_attribute a ON a.attrelid = ct.typrelid "
+                                 "LEFT JOIN pg_catalog.pg_type at ON at.oid = a.atttypid "
+                                 "WHERE ct.oid = $1 "
+                                 "ORDER BY a.attnum");
+        }
+        else
+        {
+            /*
+             * Since ALTER TYPE could not drop columns until 9.1, attisdropped
+             * should always be false.
+             */
+            appendPQExpBufferStr(query, "SELECT a.attname, "
+                                 "pg_catalog.format_type(a.atttypid, a.atttypmod) AS atttypdefn, "
+                                 "a.attlen, a.attalign, a.attisdropped, "
+                                 "0 AS attcollation "
+                                 "FROM pg_catalog.pg_type ct, pg_catalog.pg_attribute a "
+                                 "WHERE ct.oid = $1 "
+                                 "AND a.attrelid = ct.typrelid "
+                                 "ORDER BY a.attnum");
+        }
+
+        ExecuteSqlStatement(fout, query->data);
+
+        fout->is_prepared[PREPQUERY_DUMPCOMPOSITETYPE] = true;
     }

+    printfPQExpBuffer(query,
+                      "EXECUTE dumpCompositeType('%u')",
+                      tyinfo->dobj.catId.oid);
+
     res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);

     ntups = PQntuples(res);
@@ -11965,96 +12045,109 @@ dumpFunc(Archive *fout, const FuncInfo *finfo)
     delqry = createPQExpBuffer();
     asPart = createPQExpBuffer();

-    /* Fetch function-specific details */
-    appendPQExpBufferStr(query,
-                         "SELECT\n"
-                         "proretset,\n"
-                         "prosrc,\n"
-                         "probin,\n"
-                         "provolatile,\n"
-                         "proisstrict,\n"
-                         "prosecdef,\n"
-                         "lanname,\n");
-
-    if (fout->remoteVersion >= 80300)
-        appendPQExpBufferStr(query,
-                             "proconfig,\n"
-                             "procost,\n"
-                             "prorows,\n");
-    else
-        appendPQExpBufferStr(query,
-                             "null AS proconfig,\n"
-                             "0 AS procost,\n"
-                             "0 AS prorows,\n");
-
-    if (fout->remoteVersion >= 80400)
+    if (!fout->is_prepared[PREPQUERY_DUMPFUNC])
     {
-        /*
-         * In 8.4 and up we rely on pg_get_function_arguments and
-         * pg_get_function_result instead of examining proallargtypes etc.
-         */
+        /* Set up query for function-specific details */
         appendPQExpBufferStr(query,
-                             "pg_catalog.pg_get_function_arguments(p.oid) AS funcargs,\n"
-                             "pg_catalog.pg_get_function_identity_arguments(p.oid) AS funciargs,\n"
-                             "pg_catalog.pg_get_function_result(p.oid) AS funcresult,\n");
-    }
-    else if (fout->remoteVersion >= 80100)
-        appendPQExpBufferStr(query,
-                             "proallargtypes,\n"
-                             "proargmodes,\n"
-                             "proargnames,\n");
-    else
-        appendPQExpBufferStr(query,
-                             "null AS proallargtypes,\n"
-                             "null AS proargmodes,\n"
-                             "proargnames,\n");
+                             "PREPARE dumpFunc(pg_catalog.oid) AS\n");

-    if (fout->remoteVersion >= 90200)
-        appendPQExpBufferStr(query,
-                             "proleakproof,\n");
-    else
         appendPQExpBufferStr(query,
-                             "false AS proleakproof,\n");
+                             "SELECT\n"
+                             "proretset,\n"
+                             "prosrc,\n"
+                             "probin,\n"
+                             "provolatile,\n"
+                             "proisstrict,\n"
+                             "prosecdef,\n"
+                             "lanname,\n");
+
+        if (fout->remoteVersion >= 80300)
+            appendPQExpBufferStr(query,
+                                 "proconfig,\n"
+                                 "procost,\n"
+                                 "prorows,\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "null AS proconfig,\n"
+                                 "0 AS procost,\n"
+                                 "0 AS prorows,\n");

-    if (fout->remoteVersion >= 90500)
-        appendPQExpBufferStr(query,
-                             "array_to_string(protrftypes, ' ') AS protrftypes,\n");
+        if (fout->remoteVersion >= 80400)
+        {
+            /*
+             * In 8.4 and up we rely on pg_get_function_arguments and
+             * pg_get_function_result instead of examining proallargtypes etc.
+             */
+            appendPQExpBufferStr(query,
+                                 "pg_catalog.pg_get_function_arguments(p.oid) AS funcargs,\n"
+                                 "pg_catalog.pg_get_function_identity_arguments(p.oid) AS funciargs,\n"
+                                 "pg_catalog.pg_get_function_result(p.oid) AS funcresult,\n");
+        }
+        else if (fout->remoteVersion >= 80100)
+            appendPQExpBufferStr(query,
+                                 "proallargtypes,\n"
+                                 "proargmodes,\n"
+                                 "proargnames,\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "null AS proallargtypes,\n"
+                                 "null AS proargmodes,\n"
+                                 "proargnames,\n");

-    if (fout->remoteVersion >= 90600)
-        appendPQExpBufferStr(query,
-                             "proparallel,\n");
-    else
-        appendPQExpBufferStr(query,
-                             "'u' AS proparallel,\n");
+        if (fout->remoteVersion >= 90200)
+            appendPQExpBufferStr(query,
+                                 "proleakproof,\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "false AS proleakproof,\n");

-    if (fout->remoteVersion >= 110000)
-        appendPQExpBufferStr(query,
-                             "prokind,\n");
-    else if (fout->remoteVersion >= 80400)
-        appendPQExpBufferStr(query,
-                             "CASE WHEN proiswindow THEN 'w' ELSE 'f' END AS prokind,\n");
-    else
-        appendPQExpBufferStr(query,
-                             "'f' AS prokind,\n");
+        if (fout->remoteVersion >= 90500)
+            appendPQExpBufferStr(query,
+                                 "array_to_string(protrftypes, ' ') AS protrftypes,\n");

-    if (fout->remoteVersion >= 120000)
-        appendPQExpBufferStr(query,
-                             "prosupport,\n");
-    else
-        appendPQExpBufferStr(query,
-                             "'-' AS prosupport,\n");
+        if (fout->remoteVersion >= 90600)
+            appendPQExpBufferStr(query,
+                                 "proparallel,\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "'u' AS proparallel,\n");
+
+        if (fout->remoteVersion >= 110000)
+            appendPQExpBufferStr(query,
+                                 "prokind,\n");
+        else if (fout->remoteVersion >= 80400)
+            appendPQExpBufferStr(query,
+                                 "CASE WHEN proiswindow THEN 'w' ELSE 'f' END AS prokind,\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "'f' AS prokind,\n");
+
+        if (fout->remoteVersion >= 120000)
+            appendPQExpBufferStr(query,
+                                 "prosupport,\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "'-' AS prosupport,\n");
+
+        if (fout->remoteVersion >= 140000)
+            appendPQExpBufferStr(query,
+                                 "pg_get_function_sqlbody(p.oid) AS prosqlbody\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "NULL AS prosqlbody\n");

-    if (fout->remoteVersion >= 140000)
-        appendPQExpBufferStr(query,
-                             "pg_get_function_sqlbody(p.oid) AS prosqlbody\n");
-    else
         appendPQExpBufferStr(query,
-                             "NULL AS prosqlbody\n");
+                             "FROM pg_catalog.pg_proc p, pg_catalog.pg_language l\n"
+                             "WHERE p.oid = $1 "
+                             "AND l.oid = p.prolang");

-    appendPQExpBuffer(query,
-                      "FROM pg_catalog.pg_proc p, pg_catalog.pg_language l\n"
-                      "WHERE p.oid = '%u'::pg_catalog.oid "
-                      "AND l.oid = p.prolang",
+        ExecuteSqlStatement(fout, query->data);
+
+        fout->is_prepared[PREPQUERY_DUMPFUNC] = true;
+    }
+
+    printfPQExpBuffer(query,
+                      "EXECUTE dumpFunc('%u')",
                       finfo->dobj.catId.oid);

     res = ExecuteSqlQueryForSingleRow(fout, query->data);
@@ -12721,38 +12814,51 @@ dumpOpr(Archive *fout, const OprInfo *oprinfo)
     oprid = createPQExpBuffer();
     details = createPQExpBuffer();

-    if (fout->remoteVersion >= 80300)
-    {
-        appendPQExpBuffer(query, "SELECT oprkind, "
-                          "oprcode::pg_catalog.regprocedure, "
-                          "oprleft::pg_catalog.regtype, "
-                          "oprright::pg_catalog.regtype, "
-                          "oprcom, "
-                          "oprnegate, "
-                          "oprrest::pg_catalog.regprocedure, "
-                          "oprjoin::pg_catalog.regprocedure, "
-                          "oprcanmerge, oprcanhash "
-                          "FROM pg_catalog.pg_operator "
-                          "WHERE oid = '%u'::pg_catalog.oid",
-                          oprinfo->dobj.catId.oid);
-    }
-    else
+    if (!fout->is_prepared[PREPQUERY_DUMPOPR])
     {
-        appendPQExpBuffer(query, "SELECT oprkind, "
-                          "oprcode::pg_catalog.regprocedure, "
-                          "oprleft::pg_catalog.regtype, "
-                          "oprright::pg_catalog.regtype, "
-                          "oprcom, "
-                          "oprnegate, "
-                          "oprrest::pg_catalog.regprocedure, "
-                          "oprjoin::pg_catalog.regprocedure, "
-                          "(oprlsortop != 0) AS oprcanmerge, "
-                          "oprcanhash "
-                          "FROM pg_catalog.pg_operator "
-                          "WHERE oid = '%u'::pg_catalog.oid",
-                          oprinfo->dobj.catId.oid);
+        /* Set up query for operator-specific details */
+        appendPQExpBufferStr(query,
+                             "PREPARE dumpOpr(pg_catalog.oid) AS\n");
+
+        if (fout->remoteVersion >= 80300)
+        {
+            appendPQExpBufferStr(query, "SELECT oprkind, "
+                                 "oprcode::pg_catalog.regprocedure, "
+                                 "oprleft::pg_catalog.regtype, "
+                                 "oprright::pg_catalog.regtype, "
+                                 "oprcom, "
+                                 "oprnegate, "
+                                 "oprrest::pg_catalog.regprocedure, "
+                                 "oprjoin::pg_catalog.regprocedure, "
+                                 "oprcanmerge, oprcanhash "
+                                 "FROM pg_catalog.pg_operator "
+                                 "WHERE oid = $1");
+        }
+        else
+        {
+            appendPQExpBufferStr(query, "SELECT oprkind, "
+                                 "oprcode::pg_catalog.regprocedure, "
+                                 "oprleft::pg_catalog.regtype, "
+                                 "oprright::pg_catalog.regtype, "
+                                 "oprcom, "
+                                 "oprnegate, "
+                                 "oprrest::pg_catalog.regprocedure, "
+                                 "oprjoin::pg_catalog.regprocedure, "
+                                 "(oprlsortop != 0) AS oprcanmerge, "
+                                 "oprcanhash "
+                                 "FROM pg_catalog.pg_operator "
+                                 "WHERE oid = $1");
+        }
+
+        ExecuteSqlStatement(fout, query->data);
+
+        fout->is_prepared[PREPQUERY_DUMPOPR] = true;
     }

+    printfPQExpBuffer(query,
+                      "EXECUTE dumpOpr('%u')",
+                      oprinfo->dobj.catId.oid);
+
     res = ExecuteSqlQueryForSingleRow(fout, query->data);

     i_oprkind = PQfnumber(res, "oprkind");
@@ -14018,77 +14124,90 @@ dumpAgg(Archive *fout, const AggInfo *agginfo)
     delq = createPQExpBuffer();
     details = createPQExpBuffer();

-    /* Get aggregate-specific details */
-    appendPQExpBufferStr(query,
-                         "SELECT\n"
-                         "aggtransfn,\n"
-                         "aggfinalfn,\n"
-                         "aggtranstype::pg_catalog.regtype,\n"
-                         "agginitval,\n");
-
-    if (fout->remoteVersion >= 80100)
-        appendPQExpBufferStr(query,
-                             "aggsortop,\n");
-    else
+    if (!fout->is_prepared[PREPQUERY_DUMPAGG])
+    {
+        /* Set up query for aggregate-specific details */
         appendPQExpBufferStr(query,
-                             "0 AS aggsortop,\n");
+                             "PREPARE dumpAgg(pg_catalog.oid) AS\n");

-    if (fout->remoteVersion >= 80400)
         appendPQExpBufferStr(query,
-                             "pg_catalog.pg_get_function_arguments(p.oid) AS funcargs,\n"
-                             "pg_catalog.pg_get_function_identity_arguments(p.oid) AS funciargs,\n");
+                             "SELECT "
+                             "aggtransfn,\n"
+                             "aggfinalfn,\n"
+                             "aggtranstype::pg_catalog.regtype,\n"
+                             "agginitval,\n");

-    if (fout->remoteVersion >= 90400)
-        appendPQExpBufferStr(query,
-                             "aggkind,\n"
-                             "aggmtransfn,\n"
-                             "aggminvtransfn,\n"
-                             "aggmfinalfn,\n"
-                             "aggmtranstype::pg_catalog.regtype,\n"
-                             "aggfinalextra,\n"
-                             "aggmfinalextra,\n"
-                             "aggtransspace,\n"
-                             "aggmtransspace,\n"
-                             "aggminitval,\n");
-    else
-        appendPQExpBufferStr(query,
-                             "'n' AS aggkind,\n"
-                             "'-' AS aggmtransfn,\n"
-                             "'-' AS aggminvtransfn,\n"
-                             "'-' AS aggmfinalfn,\n"
-                             "0 AS aggmtranstype,\n"
-                             "false AS aggfinalextra,\n"
-                             "false AS aggmfinalextra,\n"
-                             "0 AS aggtransspace,\n"
-                             "0 AS aggmtransspace,\n"
-                             "NULL AS aggminitval,\n");
+        if (fout->remoteVersion >= 80100)
+            appendPQExpBufferStr(query,
+                                 "aggsortop,\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "0 AS aggsortop,\n");

-    if (fout->remoteVersion >= 90600)
-        appendPQExpBufferStr(query,
-                             "aggcombinefn,\n"
-                             "aggserialfn,\n"
-                             "aggdeserialfn,\n"
-                             "proparallel,\n");
-    else
-        appendPQExpBufferStr(query,
-                             "'-' AS aggcombinefn,\n"
-                             "'-' AS aggserialfn,\n"
-                             "'-' AS aggdeserialfn,\n"
-                             "'u' AS proparallel,\n");
+        if (fout->remoteVersion >= 80400)
+            appendPQExpBufferStr(query,
+                                 "pg_catalog.pg_get_function_arguments(p.oid) AS funcargs,\n"
+                                 "pg_catalog.pg_get_function_identity_arguments(p.oid) AS funciargs,\n");
+
+        if (fout->remoteVersion >= 90400)
+            appendPQExpBufferStr(query,
+                                 "aggkind,\n"
+                                 "aggmtransfn,\n"
+                                 "aggminvtransfn,\n"
+                                 "aggmfinalfn,\n"
+                                 "aggmtranstype::pg_catalog.regtype,\n"
+                                 "aggfinalextra,\n"
+                                 "aggmfinalextra,\n"
+                                 "aggtransspace,\n"
+                                 "aggmtransspace,\n"
+                                 "aggminitval,\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "'n' AS aggkind,\n"
+                                 "'-' AS aggmtransfn,\n"
+                                 "'-' AS aggminvtransfn,\n"
+                                 "'-' AS aggmfinalfn,\n"
+                                 "0 AS aggmtranstype,\n"
+                                 "false AS aggfinalextra,\n"
+                                 "false AS aggmfinalextra,\n"
+                                 "0 AS aggtransspace,\n"
+                                 "0 AS aggmtransspace,\n"
+                                 "NULL AS aggminitval,\n");
+
+        if (fout->remoteVersion >= 90600)
+            appendPQExpBufferStr(query,
+                                 "aggcombinefn,\n"
+                                 "aggserialfn,\n"
+                                 "aggdeserialfn,\n"
+                                 "proparallel,\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "'-' AS aggcombinefn,\n"
+                                 "'-' AS aggserialfn,\n"
+                                 "'-' AS aggdeserialfn,\n"
+                                 "'u' AS proparallel,\n");
+
+        if (fout->remoteVersion >= 110000)
+            appendPQExpBufferStr(query,
+                                 "aggfinalmodify,\n"
+                                 "aggmfinalmodify\n");
+        else
+            appendPQExpBufferStr(query,
+                                 "'0' AS aggfinalmodify,\n"
+                                 "'0' AS aggmfinalmodify\n");

-    if (fout->remoteVersion >= 110000)
-        appendPQExpBufferStr(query,
-                             "aggfinalmodify,\n"
-                             "aggmfinalmodify\n");
-    else
         appendPQExpBufferStr(query,
-                             "'0' AS aggfinalmodify,\n"
-                             "'0' AS aggmfinalmodify\n");
+                             "FROM pg_catalog.pg_aggregate a, pg_catalog.pg_proc p "
+                             "WHERE a.aggfnoid = p.oid "
+                             "AND p.oid = $1");

-    appendPQExpBuffer(query,
-                      "FROM pg_catalog.pg_aggregate a, pg_catalog.pg_proc p "
-                      "WHERE a.aggfnoid = p.oid "
-                      "AND p.oid = '%u'::pg_catalog.oid",
+        ExecuteSqlStatement(fout, query->data);
+
+        fout->is_prepared[PREPQUERY_DUMPAGG] = true;
+    }
+
+    printfPQExpBuffer(query,
+                      "EXECUTE dumpAgg('%u')",
                       agginfo->aggfn.dobj.catId.oid);

     res = ExecuteSqlQueryForSingleRow(fout, query->data);
@@ -15502,46 +15621,59 @@ dumpTable(Archive *fout, const TableInfo *tbinfo)
         PGresult   *res;
         int            i;

-        if (fout->remoteVersion >= 90600)
+        if (!fout->is_prepared[PREPQUERY_GETCOLUMNACLS])
         {
-            /*
-             * In principle we should call acldefault('c', relowner) to get
-             * the default ACL for a column.  However, we don't currently
-             * store the numeric OID of the relowner in TableInfo.  We could
-             * convert the owner name using regrole, but that creates a risk
-             * of failure due to concurrent role renames.  Given that the
-             * default ACL for columns is empty and is likely to stay that
-             * way, it's not worth extra cycles and risk to avoid hard-wiring
-             * that knowledge here.
-             */
-            appendPQExpBuffer(query,
-                              "SELECT at.attname, "
-                              "at.attacl, "
-                              "'{}' AS acldefault, "
-                              "pip.privtype, pip.initprivs "
-                              "FROM pg_catalog.pg_attribute at "
-                              "LEFT JOIN pg_catalog.pg_init_privs pip ON "
-                              "(at.attrelid = pip.objoid "
-                              "AND pip.classoid = 'pg_catalog.pg_class'::pg_catalog.regclass "
-                              "AND at.attnum = pip.objsubid) "
-                              "WHERE at.attrelid = '%u'::pg_catalog.oid AND "
-                              "NOT at.attisdropped "
-                              "AND (at.attacl IS NOT NULL OR pip.initprivs IS NOT NULL) "
-                              "ORDER BY at.attnum",
-                              tbinfo->dobj.catId.oid);
-        }
-        else
-        {
-            appendPQExpBuffer(query,
-                              "SELECT attname, attacl, '{}' AS acldefault, "
-                              "NULL AS privtype, NULL AS initprivs "
-                              "FROM pg_catalog.pg_attribute "
-                              "WHERE attrelid = '%u'::pg_catalog.oid AND NOT attisdropped "
-                              "AND attacl IS NOT NULL "
-                              "ORDER BY attnum",
-                              tbinfo->dobj.catId.oid);
+            /* Set up query for column ACLs */
+            appendPQExpBufferStr(query,
+                                 "PREPARE getColumnACLs(pg_catalog.oid) AS\n");
+
+            if (fout->remoteVersion >= 90600)
+            {
+                /*
+                 * In principle we should call acldefault('c', relowner) to
+                 * get the default ACL for a column.  However, we don't
+                 * currently store the numeric OID of the relowner in
+                 * TableInfo.  We could convert the owner name using regrole,
+                 * but that creates a risk of failure due to concurrent role
+                 * renames.  Given that the default ACL for columns is empty
+                 * and is likely to stay that way, it's not worth extra cycles
+                 * and risk to avoid hard-wiring that knowledge here.
+                 */
+                appendPQExpBufferStr(query,
+                                     "SELECT at.attname, "
+                                     "at.attacl, "
+                                     "'{}' AS acldefault, "
+                                     "pip.privtype, pip.initprivs "
+                                     "FROM pg_catalog.pg_attribute at "
+                                     "LEFT JOIN pg_catalog.pg_init_privs pip ON "
+                                     "(at.attrelid = pip.objoid "
+                                     "AND pip.classoid = 'pg_catalog.pg_class'::pg_catalog.regclass "
+                                     "AND at.attnum = pip.objsubid) "
+                                     "WHERE at.attrelid = $1 AND "
+                                     "NOT at.attisdropped "
+                                     "AND (at.attacl IS NOT NULL OR pip.initprivs IS NOT NULL) "
+                                     "ORDER BY at.attnum");
+            }
+            else
+            {
+                appendPQExpBufferStr(query,
+                                     "SELECT attname, attacl, '{}' AS acldefault, "
+                                     "NULL AS privtype, NULL AS initprivs "
+                                     "FROM pg_catalog.pg_attribute "
+                                     "WHERE attrelid = $1 AND NOT attisdropped "
+                                     "AND attacl IS NOT NULL "
+                                     "ORDER BY attnum");
+            }
+
+            ExecuteSqlStatement(fout, query->data);
+
+            fout->is_prepared[PREPQUERY_GETCOLUMNACLS] = true;
         }

+        printfPQExpBuffer(query,
+                          "EXECUTE getColumnACLs('%u')",
+                          tbinfo->dobj.catId.oid);
+
         res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);

         for (i = 0; i < PQntuples(res); i++)
@@ -16481,12 +16613,26 @@ dumpTableAttach(Archive *fout, const TableAttachInfo *attachinfo)

     q = createPQExpBuffer();

-    /* Fetch the partition's partbound */
-    appendPQExpBuffer(q,
-                      "SELECT pg_get_expr(c.relpartbound, c.oid) "
-                      "FROM pg_class c "
-                      "WHERE c.oid = '%u'",
+    if (!fout->is_prepared[PREPQUERY_DUMPTABLEATTACH])
+    {
+        /* Set up query for partbound details */
+        appendPQExpBufferStr(q,
+                             "PREPARE dumpTableAttach(pg_catalog.oid) AS\n");
+
+        appendPQExpBufferStr(q,
+                             "SELECT pg_get_expr(c.relpartbound, c.oid) "
+                             "FROM pg_class c "
+                             "WHERE c.oid = $1");
+
+        ExecuteSqlStatement(fout, q->data);
+
+        fout->is_prepared[PREPQUERY_DUMPTABLEATTACH] = true;
+    }
+
+    printfPQExpBuffer(q,
+                      "EXECUTE dumpTableAttach('%u')",
                       attachinfo->partitionTbl->dobj.catId.oid);
+
     res = ExecuteSqlQueryForSingleRow(fout, q->data);
     partbound = PQgetvalue(res, 0, 0);


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