Wrap access to Oid II - Mailing list pgsql-patches

Revised version of the first in a series of patches leading to
heap tuple headers withoid oid for tables created WITHOUT OIDS.

Servus
 Manfred

diff -ru ../base/src/backend/access/common/heaptuple.c src/backend/access/common/heaptuple.c
--- ../base/src/backend/access/common/heaptuple.c    2002-06-21 02:12:13.000000000 +0200
+++ src/backend/access/common/heaptuple.c    2002-07-04 16:23:04.000000000 +0200
@@ -436,7 +436,7 @@
             result = PointerGetDatum(&(tup->t_self));
             break;
         case ObjectIdAttributeNumber:
-            result = ObjectIdGetDatum(tup->t_data->t_oid);
+            result = ObjectIdGetDatum(HeapTupleGetOid(tup));
             break;
         case MinTransactionIdAttributeNumber:
             result = TransactionIdGetDatum(HeapTupleHeaderGetXmin(tup->t_data));
@@ -698,14 +698,18 @@
      * t_infomask
      */
     infomask = newTuple->t_data->t_infomask;
-    memmove((char *) &newTuple->t_data->t_oid,    /* XXX */
-            (char *) &tuple->t_data->t_oid,
-            ((char *) &tuple->t_data->t_hoff -
-             (char *) &tuple->t_data->t_oid));    /* XXX */
+    /*
+     * copy t_xmin, t_cid, t_xmax, t_ctid, t_natts, t_infomask
+     */
+    memmove((char *) newTuple->t_data,    /* XXX */
+            (char *) tuple->t_data,
+            offsetof(HeapTupleHeaderData, t_hoff));    /* XXX */
     newTuple->t_data->t_infomask = infomask;
     newTuple->t_data->t_natts = numberOfAttributes;
     newTuple->t_self = tuple->t_self;
     newTuple->t_tableOid = tuple->t_tableOid;
+    if (relation->rd_rel->relhasoids)
+        HeapTupleSetOid(newTuple, HeapTupleGetOid(tuple));

     return newTuple;
 }
diff -ru ../base/src/backend/access/common/tupdesc.c src/backend/access/common/tupdesc.c
--- ../base/src/backend/access/common/tupdesc.c    2002-06-21 02:12:13.000000000 +0200
+++ src/backend/access/common/tupdesc.c    2002-07-04 00:26:37.000000000 +0200
@@ -392,7 +392,7 @@
      */
     typeForm = (Form_pg_type) GETSTRUCT(tuple);

-    att->atttypid = tuple->t_data->t_oid;
+    att->atttypid = HeapTupleGetOid(tuple);

     /*
      * There are a couple of cases where we must override the information
diff -ru ../base/src/backend/access/heap/heapam.c src/backend/access/heap/heapam.c
--- ../base/src/backend/access/heap/heapam.c    2002-07-03 12:27:39.000000000 +0200
+++ src/backend/access/heap/heapam.c    2002-07-04 00:26:37.000000000 +0200
@@ -1116,10 +1116,10 @@
          * to support a persistent object store (objects need to contain
          * pointers to one another).
          */
-        if (!OidIsValid(tup->t_data->t_oid))
-            tup->t_data->t_oid = newoid();
+        if (!OidIsValid(HeapTupleGetOid(tup)))
+            HeapTupleSetOid(tup, newoid());
         else
-            CheckMaxObjectId(tup->t_data->t_oid);
+            CheckMaxObjectId(HeapTupleGetOid(tup));
     }

     HeapTupleHeaderSetXmin(tup->t_data, GetCurrentTransactionId());
@@ -1166,7 +1166,10 @@
         rdata[0].len = SizeOfHeapInsert;
         rdata[0].next = &(rdata[1]);

-        xlhdr.t_oid = tup->t_data->t_oid;
+        if (relation->rd_rel->relhasoids)
+            xlhdr.t_oid = HeapTupleGetOid(tup);
+        else
+            xlhdr.t_oid = InvalidOid;
         xlhdr.t_natts = tup->t_data->t_natts;
         xlhdr.t_hoff = tup->t_data->t_hoff;
         xlhdr.mask = tup->t_data->t_infomask;
@@ -1206,7 +1209,10 @@
      */
     CacheInvalidateHeapTuple(relation, tup);

-    return tup->t_data->t_oid;
+    if (!relation->rd_rel->relhasoids)
+        return InvalidOid;
+
+    return HeapTupleGetOid(tup);
 }

 /*
@@ -1499,7 +1505,8 @@
     }

     /* Fill in OID and transaction status data for newtup */
-    newtup->t_data->t_oid = oldtup.t_data->t_oid;
+    if (relation->rd_rel->relhasoids)
+        HeapTupleSetOid(newtup, HeapTupleGetOid(&oldtup));
     newtup->t_data->t_infomask &= ~(HEAP_XACT_MASK);
     newtup->t_data->t_infomask |= (HEAP_XMAX_INVALID | HEAP_UPDATED);
     HeapTupleHeaderSetXmin(newtup->t_data, GetCurrentTransactionId());
@@ -1972,7 +1979,10 @@
     rdata[1].len = 0;
     rdata[1].next = &(rdata[2]);

-    xlhdr.hdr.t_oid = newtup->t_data->t_oid;
+    if (reln->rd_rel->relhasoids)
+        xlhdr.hdr.t_oid = HeapTupleGetOid(newtup);
+    else
+        xlhdr.hdr.t_oid = InvalidOid;
     xlhdr.hdr.t_natts = newtup->t_data->t_natts;
     xlhdr.hdr.t_hoff = newtup->t_data->t_hoff;
     xlhdr.hdr.mask = newtup->t_data->t_infomask;
@@ -2198,7 +2208,6 @@
                newlen);
         newlen += offsetof(HeapTupleHeaderData, t_bits);
         htup = &tbuf.hdr;
-        htup->t_oid = xlhdr.t_oid;
         htup->t_natts = xlhdr.t_natts;
         htup->t_hoff = xlhdr.t_hoff;
         htup->t_infomask = HEAP_XMAX_INVALID | xlhdr.mask;
@@ -2206,6 +2215,8 @@
         HeapTupleHeaderSetCmin(htup, FirstCommandId);
         HeapTupleHeaderSetXmaxInvalid(htup);
         HeapTupleHeaderSetCmax(htup, FirstCommandId);
+        if (reln->rd_rel->relhasoids)
+            HeapTupleHeaderSetOid(htup, xlhdr.t_oid);

         offnum = PageAddItem(page, (Item) htup, newlen, offnum,
                              LP_USED | OverwritePageMode);
@@ -2367,9 +2378,10 @@
                newlen);
         newlen += offsetof(HeapTupleHeaderData, t_bits);
         htup = &tbuf.hdr;
-        htup->t_oid = xlhdr.t_oid;
         htup->t_natts = xlhdr.t_natts;
         htup->t_hoff = xlhdr.t_hoff;
+        if (reln->rd_rel->relhasoids)
+            HeapTupleHeaderSetOid(htup, xlhdr.t_oid);
         if (move)
         {
             TransactionId xmax;
diff -ru ../base/src/backend/bootstrap/bootstrap.c src/backend/bootstrap/bootstrap.c
--- ../base/src/backend/bootstrap/bootstrap.c    2002-06-21 02:12:14.000000000 +0200
+++ src/backend/bootstrap/bootstrap.c    2002-07-04 00:26:37.000000000 +0200
@@ -495,7 +495,8 @@
         app = Typ;
         while ((tup = heap_getnext(scan, ForwardScanDirection)) != NULL)
         {
-            (*app)->am_oid = tup->t_data->t_oid;
+            AssertRelationHasOids(rel);
+            (*app)->am_oid = HeapTupleGetOid(tup);
             memcpy((char *) &(*app)->am_typ,
                    (char *) GETSTRUCT(tup),
                    sizeof((*app)->am_typ));
@@ -679,7 +680,10 @@
     pfree(tupDesc);                /* just free's tupDesc, not the attrtypes */

     if (objectid != (Oid) 0)
-        tuple->t_data->t_oid = objectid;
+    {
+        AssertRelationHasOids(boot_reldesc);
+        HeapTupleSetOid(tuple, objectid);
+    }
     simple_heap_insert(boot_reldesc, tuple);
     heap_freetuple(tuple);
     elog(DEBUG3, "row inserted");
@@ -871,7 +875,8 @@
         app = Typ;
         while ((tup = heap_getnext(scan, ForwardScanDirection)) != NULL)
         {
-            (*app)->am_oid = tup->t_data->t_oid;
+            AssertRelationHasOids(rel);
+            (*app)->am_oid = HeapTupleGetOid(tup);
             memmove((char *) &(*app++)->am_typ,
                     (char *) GETSTRUCT(tup),
                     sizeof((*app)->am_typ));
diff -ru ../base/src/backend/catalog/aclchk.c src/backend/catalog/aclchk.c
--- ../base/src/backend/catalog/aclchk.c    2002-06-21 02:12:14.000000000 +0200
+++ src/backend/catalog/aclchk.c    2002-07-04 00:26:37.000000000 +0200
@@ -591,7 +591,8 @@
             elog(ERROR, "namespace \"%s\" not found", nspname);
         pg_namespace_tuple = (Form_pg_namespace) GETSTRUCT(tuple);

-        if (!pg_namespace_ownercheck(tuple->t_data->t_oid, GetUserId()))
+        AssertRelationHasOids(relation);
+        if (!pg_namespace_ownercheck(HeapTupleGetOid(tuple), GetUserId()))
             aclcheck_error(ACLCHECK_NOT_OWNER, nspname);

         /*
diff -ru ../base/src/backend/catalog/heap.c src/backend/catalog/heap.c
--- ../base/src/backend/catalog/heap.c    2002-06-21 02:12:14.000000000 +0200
+++ src/backend/catalog/heap.c    2002-07-04 00:26:37.000000000 +0200
@@ -583,7 +583,7 @@
                          (void *) new_rel_reltup);

     /* force tuple to have the desired OID */
-    tup->t_data->t_oid = new_rel_oid;
+    HeapTupleSetOid(tup, new_rel_oid);

     /*
      * finally insert the new tuple and free it.
@@ -1109,7 +1109,8 @@
      * the type of the relation we are deleteing then we have to disallow
      * the deletion.  should talk to stonebraker about this.  -cim 6/19/90
      */
-    typoid = tup->t_data->t_oid;
+    AssertRelationHasOids(pg_type_desc);
+    typoid = HeapTupleGetOid(tup);

     pg_attribute_desc = heap_openr(AttributeRelationName, RowExclusiveLock);

diff -ru ../base/src/backend/catalog/index.c src/backend/catalog/index.c
--- ../base/src/backend/catalog/index.c    2002-06-21 02:12:14.000000000 +0200
+++ src/backend/catalog/index.c    2002-07-04 00:26:37.000000000 +0200
@@ -326,7 +326,7 @@
      * the new tuple must have the oid already chosen for the index.
      * sure would be embarrassing to do this sort of thing in polite company.
      */
-    tuple->t_data->t_oid = RelationGetRelid(indexRelation);
+    HeapTupleSetOid(tuple, RelationGetRelid(indexRelation));
     simple_heap_insert(pg_class, tuple);

     /*
diff -ru ../base/src/backend/catalog/namespace.c src/backend/catalog/namespace.c
--- ../base/src/backend/catalog/namespace.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/catalog/namespace.c    2002-07-04 00:26:38.000000000 +0200
@@ -584,7 +584,7 @@
                         continue; /* keep previous result */
                     /* replace previous result */
                     prevResult->pathpos = pathpos;
-                    prevResult->oid = proctup->t_data->t_oid;
+                    prevResult->oid = HeapTupleGetOid(proctup);
                     continue;    /* args are same, of course */
                 }
             }
@@ -597,7 +597,7 @@
             palloc(sizeof(struct _FuncCandidateList) - sizeof(Oid)
                    + nargs * sizeof(Oid));
         newResult->pathpos = pathpos;
-        newResult->oid = proctup->t_data->t_oid;
+        newResult->oid = HeapTupleGetOid(proctup);
         newResult->nargs = nargs;
         memcpy(newResult->args, procform->proargtypes, nargs * sizeof(Oid));

@@ -831,7 +831,7 @@
                         continue; /* keep previous result */
                     /* replace previous result */
                     prevResult->pathpos = pathpos;
-                    prevResult->oid = opertup->t_data->t_oid;
+                    prevResult->oid = HeapTupleGetOid(opertup);
                     continue;    /* args are same, of course */
                 }
             }
@@ -843,7 +843,7 @@
         newResult = (FuncCandidateList)
             palloc(sizeof(struct _FuncCandidateList) + sizeof(Oid));
         newResult->pathpos = pathpos;
-        newResult->oid = opertup->t_data->t_oid;
+        newResult->oid = HeapTupleGetOid(opertup);
         newResult->nargs = 2;
         newResult->args[0] = operform->oprleft;
         newResult->args[1] = operform->oprright;
@@ -1007,7 +1007,7 @@
                 /* replace previous result */
                 prevResult->opcname_tmp = NameStr(opcform->opcname);
                 prevResult->pathpos = pathpos;
-                prevResult->oid = opctup->t_data->t_oid;
+                prevResult->oid = HeapTupleGetOid(opctup);
                 prevResult->opcintype = opcform->opcintype;
                 prevResult->opcdefault = opcform->opcdefault;
                 prevResult->opckeytype = opcform->opckeytype;
@@ -1022,7 +1022,7 @@
             palloc(sizeof(struct _OpclassCandidateList));
         newResult->opcname_tmp = NameStr(opcform->opcname);
         newResult->pathpos = pathpos;
-        newResult->oid = opctup->t_data->t_oid;
+        newResult->oid = HeapTupleGetOid(opctup);
         newResult->opcintype = opcform->opcintype;
         newResult->opcdefault = opcform->opcdefault;
         newResult->opckeytype = opcform->opckeytype;
@@ -1597,7 +1597,7 @@
             case RELKIND_RELATION:
             case RELKIND_SEQUENCE:
             case RELKIND_VIEW:
-                tempRelList = lconsi(tuple->t_data->t_oid, tempRelList);
+                tempRelList = lconsi(HeapTupleGetOid(tuple), tempRelList);
                 break;
             default:
                 break;
diff -ru ../base/src/backend/catalog/pg_operator.c src/backend/catalog/pg_operator.c
--- ../base/src/backend/catalog/pg_operator.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/catalog/pg_operator.c    2002-07-04 00:26:38.000000000 +0200
@@ -141,7 +141,7 @@
     {
         RegProcedure oprcode = ((Form_pg_operator) GETSTRUCT(tup))->oprcode;

-        operatorObjectId = tup->t_data->t_oid;
+        operatorObjectId = HeapTupleGetOid(tup);
         *defined = RegProcedureIsValid(oprcode);
         ReleaseSysCache(tup);
     }
diff -ru ../base/src/backend/catalog/pg_proc.c src/backend/catalog/pg_proc.c
--- ../base/src/backend/catalog/pg_proc.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/catalog/pg_proc.c    2002-07-04 00:26:38.000000000 +0200
@@ -249,7 +249,8 @@
         CatalogCloseIndices(Num_pg_proc_indices, idescs);
     }

-    retval = tup->t_data->t_oid;
+    AssertRelationHasOids(rel);
+    retval = HeapTupleGetOid(tup);
     heap_freetuple(tup);

     heap_close(rel, RowExclusiveLock);
diff -ru ../base/src/backend/catalog/pg_type.c src/backend/catalog/pg_type.c
--- ../base/src/backend/catalog/pg_type.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/catalog/pg_type.c    2002-07-04 00:26:38.000000000 +0200
@@ -272,7 +272,8 @@

         simple_heap_update(pg_type_desc, &tup->t_self, tup);

-        typeObjectId = tup->t_data->t_oid;
+        AssertRelationHasOids(pg_type_desc);
+        typeObjectId = HeapTupleGetOid(tup);
     }
     else
     {
@@ -283,7 +284,8 @@
                              nulls);

         /* preassign tuple Oid, if one was given */
-        tup->t_data->t_oid = assignedTypeOid;
+        AssertRelationHasOids(pg_type_desc);
+        HeapTupleSetOid(tup, assignedTypeOid);

         typeObjectId = simple_heap_insert(pg_type_desc, tup);
     }
diff -ru ../base/src/backend/commands/comment.c src/backend/commands/comment.c
--- ../base/src/backend/commands/comment.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/commands/comment.c    2002-07-04 00:26:38.000000000 +0200
@@ -424,7 +424,8 @@

     if (!HeapTupleIsValid(dbtuple))
         elog(ERROR, "database \"%s\" does not exist", database);
-    oid = dbtuple->t_data->t_oid;
+    AssertRelationHasOids(pg_database);
+    oid = HeapTupleGetOid(dbtuple);

     /* Allow if the user matches the database dba or is a superuser */

@@ -470,7 +471,8 @@
         elog(ERROR, "CommentSchema: Schema \"%s\" could not be found",
              namespace);

-    oid = tp->t_data->t_oid;
+    /* no Relation here to Assert(...->relhasoids); */
+    oid = HeapTupleGetOid(tp);

     /* Check object security */
     if (!pg_namespace_ownercheck(oid, GetUserId()))
@@ -541,7 +543,8 @@
         if (HeapTupleIsValid(tuple))
         {
             reloid = ((Form_pg_rewrite) GETSTRUCT(tuple))->ev_class;
-            ruleoid = tuple->t_data->t_oid;
+            AssertRelationHasOids(RewriteRelation);
+            ruleoid = HeapTupleGetOid(tuple);
         }
         else
         {
@@ -581,7 +584,8 @@
         if (!HeapTupleIsValid(tuple))
             elog(ERROR, "rule \"%s\" does not exist", rulename);
         Assert(reloid == ((Form_pg_rewrite) GETSTRUCT(tuple))->ev_class);
-        ruleoid = tuple->t_data->t_oid;
+        AssertRelationHasOids(relation);
+        ruleoid = HeapTupleGetOid(tuple);
         ReleaseSysCache(tuple);
     }

@@ -794,7 +798,8 @@
         elog(ERROR, "trigger \"%s\" for relation \"%s\" does not exist",
              trigname, RelationGetRelationName(relation));

-    oid = triggertuple->t_data->t_oid;
+    AssertRelationHasOids(pg_trigger);
+    oid = HeapTupleGetOid(triggertuple);

     systable_endscan(scan);

diff -ru ../base/src/backend/commands/copy.c src/backend/commands/copy.c
--- ../base/src/backend/commands/copy.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/commands/copy.c    2002-07-04 00:26:38.000000000 +0200
@@ -575,9 +575,13 @@
             /* Send OID if wanted --- note fld_count doesn't include it */
             if (oids)
             {
+                Oid oid;
+
+                AssertRelationHasOids(rel);
+                oid = HeapTupleGetOid(tuple);
                 fld_size = sizeof(Oid);
                 CopySendData(&fld_size, sizeof(int16), fp);
-                CopySendData(&tuple->t_data->t_oid, sizeof(Oid), fp);
+                CopySendData(&oid, sizeof(Oid), fp);
             }
         }
         else
@@ -585,8 +589,9 @@
             /* Text format has no per-tuple header, but send OID if wanted */
             if (oids)
             {
+                AssertRelationHasOids(rel);
                 string = DatumGetCString(DirectFunctionCall1(oidout,
-                                ObjectIdGetDatum(tuple->t_data->t_oid)));
+                                ObjectIdGetDatum(HeapTupleGetOid(tuple))));
                 CopySendString(string, fp);
                 pfree(string);
                 need_delim = true;
@@ -977,7 +982,7 @@
         tuple = heap_formtuple(tupDesc, values, nulls);

         if (oids && file_has_oids)
-            tuple->t_data->t_oid = loaded_oid;
+            HeapTupleSetOid(tuple, loaded_oid);

         skip_tuple = false;

diff -ru ../base/src/backend/commands/dbcommands.c src/backend/commands/dbcommands.c
--- ../base/src/backend/commands/dbcommands.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/commands/dbcommands.c    2002-07-04 00:26:38.000000000 +0200
@@ -341,7 +341,8 @@

     tuple = heap_formtuple(pg_database_dsc, new_record, new_record_nulls);

-    tuple->t_data->t_oid = dboid;        /* override heap_insert's OID
+    AssertRelationHasOids(pg_database_rel);
+    HeapTupleSetOid(tuple, dboid);        /* override heap_insert's OID
                                          * selection */

     simple_heap_insert(pg_database_rel, tuple);
@@ -611,7 +612,10 @@

         /* oid of the database */
         if (dbIdP)
-            *dbIdP = tuple->t_data->t_oid;
+        {
+            AssertRelationHasOids(relation);
+            *dbIdP = HeapTupleGetOid(tuple);
+        }
         /* sysid of the owner */
         if (ownerIdP)
             *ownerIdP = dbform->datdba;
diff -ru ../base/src/backend/commands/functioncmds.c src/backend/commands/functioncmds.c
--- ../base/src/backend/commands/functioncmds.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/commands/functioncmds.c    2002-07-04 00:26:38.000000000 +0200
@@ -439,7 +439,8 @@
     if (!HeapTupleIsValid(languageTuple))
         elog(ERROR, "language \"%s\" does not exist", languageName);

-    languageOid = languageTuple->t_data->t_oid;
+    /* no Relation here to Assert(...->relhasoids) */
+    languageOid = HeapTupleGetOid(languageTuple);
     languageStruct = (Form_pg_language) GETSTRUCT(languageTuple);

     if (languageStruct->lanpltrusted)
diff -ru ../base/src/backend/commands/indexcmds.c src/backend/commands/indexcmds.c
--- ../base/src/backend/commands/indexcmds.c    2002-07-01 19:50:36.000000000 +0200
+++ src/backend/commands/indexcmds.c    2002-07-04 00:26:38.000000000 +0200
@@ -139,7 +139,8 @@
     if (!HeapTupleIsValid(tuple))
         elog(ERROR, "DefineIndex: access method \"%s\" not found",
              accessMethodName);
-    accessMethodId = tuple->t_data->t_oid;
+    /* AssertRelationHasOids(rel);  rel is already closed */
+    accessMethodId = HeapTupleGetOid(tuple);
     accessMethodForm = (Form_pg_am) GETSTRUCT(tuple);

     if (unique && !accessMethodForm->amcanunique)
@@ -494,7 +495,8 @@
      * Verify that the index operator class accepts this
      * datatype.  Note we will accept binary compatibility.
      */
-    opClassId = tuple->t_data->t_oid;
+    /* no Relation here to AssertRelationHasOids(relation); */
+    opClassId = HeapTupleGetOid(tuple);
     opInputType = ((Form_pg_opclass) GETSTRUCT(tuple))->opcintype;

     if (!IsBinaryCompatible(attrType, opInputType))
@@ -754,7 +756,8 @@
                 relids = repalloc(relids, sizeof(Oid) * relalc);
             }
             MemoryContextSwitchTo(old);
-            relids[relcnt] = tuple->t_data->t_oid;
+            AssertRelationHasOids(relationRelation);
+            relids[relcnt] = HeapTupleGetOid(tuple);
             relcnt++;
         }
     }
diff -ru ../base/src/backend/commands/tablecmds.c src/backend/commands/tablecmds.c
--- ../base/src/backend/commands/tablecmds.c    2002-07-01 19:50:36.000000000 +0200
+++ src/backend/commands/tablecmds.c    2002-07-04 00:26:39.000000000 +0200
@@ -1655,7 +1655,7 @@

     attribute->attrelid = myrelid;
     namestrcpy(&(attribute->attname), colDef->colname);
-    attribute->atttypid = typeTuple->t_data->t_oid;
+    attribute->atttypid = HeapTupleGetOid(typeTuple);
     attribute->attstattarget = DEFAULT_ATTSTATTARGET;
     attribute->attlen = tform->typlen;
     attribute->attcacheoff = -1;
diff -ru ../base/src/backend/commands/trigger.c src/backend/commands/trigger.c
--- ../base/src/backend/commands/trigger.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/commands/trigger.c    2002-07-04 00:26:39.000000000 +0200
@@ -364,7 +364,8 @@
         if (namestrcmp(&(pg_trigger->tgname), trigname) == 0)
         {
             /* Delete any comments associated with this trigger */
-            DeleteComments(tuple->t_data->t_oid, RelationGetRelid(tgrel));
+            AssertRelationHasOids(tgrel);
+            DeleteComments(HeapTupleGetOid(tuple), RelationGetRelid(tgrel));

             simple_heap_delete(tgrel, &tuple->t_self);
             found++;
@@ -430,7 +431,8 @@
     while (HeapTupleIsValid(tup = systable_getnext(tgscan)))
     {
         /* Delete any comments associated with this trigger */
-        DeleteComments(tup->t_data->t_oid, RelationGetRelid(tgrel));
+        AssertRelationHasOids(tgrel);
+        DeleteComments(HeapTupleGetOid(tup), RelationGetRelid(tgrel));

         simple_heap_delete(tgrel, &tup->t_self);

@@ -667,7 +669,8 @@
                  RelationGetRelationName(relation));
         build = &(triggers[found]);

-        build->tgoid = htup->t_data->t_oid;
+        AssertRelationHasOids(tgrel);
+        build->tgoid = HeapTupleGetOid(htup);
         build->tgname = MemoryContextStrdup(CacheMemoryContext,
                              DatumGetCString(DirectFunctionCall1(nameout,
                                     NameGetDatum(&pg_trigger->tgname))));
@@ -1928,7 +1931,8 @@
                 elog(ERROR, "Constraint '%s' is not deferrable",
                      cname);

-            constr_oid = htup->t_data->t_oid;
+            AssertRelationHasOids(tgrel);
+            constr_oid = HeapTupleGetOid(htup);
             loid = lappendi(loid, constr_oid);
             found = true;
         }
diff -ru ../base/src/backend/commands/typecmds.c src/backend/commands/typecmds.c
--- ../base/src/backend/commands/typecmds.c    2002-07-01 19:50:36.000000000 +0200
+++ src/backend/commands/typecmds.c    2002-07-04 00:26:39.000000000 +0200
@@ -474,7 +474,7 @@
                  * Note: Name is strictly for error message
                  */
                 expr = cookDefault(pstate, colDef->raw_expr,
-                                   typeTup->t_data->t_oid,
+                                   HeapTupleGetOid(typeTup),
                                    stmt->typename->typmod,
                                    domainName);
                 /*
@@ -551,7 +551,7 @@
                receiveProcedure,    /* receive procedure */
                sendProcedure,        /* send procedure */
                basetypelem,            /* element type ID */
-               typeTup->t_data->t_oid,    /* base type ID */
+               HeapTupleGetOid(typeTup),    /* base type ID */
                defaultValue,        /* default type value (text) */
                defaultValueBin,        /* default type value (binary) */
                byValue,                /* passed by value */
diff -ru ../base/src/backend/commands/vacuum.c src/backend/commands/vacuum.c
--- ../base/src/backend/commands/vacuum.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/commands/vacuum.c    2002-07-04 00:26:39.000000000 +0200
@@ -392,7 +392,8 @@
         {
             /* Make a relation list entry for this guy */
             oldcontext = MemoryContextSwitchTo(vac_context);
-            vrl = lappendi(vrl, tuple->t_data->t_oid);
+            AssertRelationHasOids(pgclass);
+            vrl = lappendi(vrl, HeapTupleGetOid(tuple));
             MemoryContextSwitchTo(oldcontext);
         }

@@ -1172,8 +1173,8 @@
             /*
              * Other checks...
              */
-            if (!OidIsValid(tuple.t_data->t_oid) &&
-                onerel->rd_rel->relhasoids)
+            if (onerel->rd_rel->relhasoids &&
+                !OidIsValid(HeapTupleGetOid(&tuple)))
                 elog(WARNING, "Rel %s: TID %u/%u: OID IS INVALID. TUPGONE %d.",
                      relname, blkno, offnum, (int) tupgone);

diff -ru ../base/src/backend/commands/vacuumlazy.c src/backend/commands/vacuumlazy.c
--- ../base/src/backend/commands/vacuumlazy.c    2002-06-21 02:12:15.000000000 +0200
+++ src/backend/commands/vacuumlazy.c    2002-07-04 00:26:39.000000000 +0200
@@ -368,8 +368,8 @@
             /*
              * Other checks...
              */
-            if (!OidIsValid(tuple.t_data->t_oid) &&
-                onerel->rd_rel->relhasoids)
+            if (onerel->rd_rel->relhasoids &&
+                !OidIsValid(HeapTupleGetOid(&tuple)))
                 elog(WARNING, "Rel %s: TID %u/%u: OID IS INVALID. TUPGONE %d.",
                      relname, blkno, offnum, (int) tupgone);

diff -ru ../base/src/backend/executor/spi.c src/backend/executor/spi.c
--- ../base/src/backend/executor/spi.c    2002-06-21 02:12:16.000000000 +0200
+++ src/backend/executor/spi.c    2002-07-04 16:24:24.000000000 +0200
@@ -435,11 +435,15 @@
     {
         mtuple = heap_formtuple(rel->rd_att, v, n);
         infomask = mtuple->t_data->t_infomask;
-        memmove(&(mtuple->t_data->t_oid), &(tuple->t_data->t_oid),
-                ((char *) &(tuple->t_data->t_hoff) -
-                 (char *) &(tuple->t_data->t_oid)));
+        /*
+         * copy t_xmin, t_cid, t_xmax, t_ctid, t_natts, t_infomask
+         */
+        memmove((char *)mtuple->t_data, (char *)tuple->t_data,
+                offsetof(HeapTupleHeaderData, t_hoff));
         mtuple->t_data->t_infomask = infomask;
         mtuple->t_data->t_natts = numberOfAttributes;
+        if (rel->rd_rel->relhasoids)
+            HeapTupleSetOid(mtuple, HeapTupleGetOid(tuple));
     }
     else
     {
diff -ru ../base/src/backend/optimizer/util/clauses.c src/backend/optimizer/util/clauses.c
--- ../base/src/backend/optimizer/util/clauses.c    2002-06-21 02:12:18.000000000 +0200
+++ src/backend/optimizer/util/clauses.c    2002-07-04 00:26:39.000000000 +0200
@@ -1066,7 +1066,7 @@

     commuTup = (Form_pg_operator) GETSTRUCT(optup);

-    commu = makeOper(optup->t_data->t_oid,
+    commu = makeOper(HeapTupleGetOid(optup),
                      commuTup->oprcode,
                      commuTup->oprresult,
                      ((Oper *) clause->oper)->opretset);
diff -ru ../base/src/backend/parser/parse_coerce.c src/backend/parser/parse_coerce.c
--- ../base/src/backend/parser/parse_coerce.c    2002-06-21 02:12:18.000000000 +0200
+++ src/backend/parser/parse_coerce.c    2002-07-04 00:26:39.000000000 +0200
@@ -770,7 +770,8 @@
             if (isExplicit || pform->proimplicit)
             {
                 /* Okay to use it */
-                funcid = ftup->t_data->t_oid;
+                /* Assert(ftup has oid) */
+                funcid = HeapTupleGetOid(ftup);
             }
         }
         ReleaseSysCache(ftup);
diff -ru ../base/src/backend/parser/parse_oper.c src/backend/parser/parse_oper.c
--- ../base/src/backend/parser/parse_oper.c    2002-06-21 02:12:19.000000000 +0200
+++ src/backend/parser/parse_oper.c    2002-07-04 00:26:39.000000000 +0200
@@ -150,7 +150,8 @@
 Oid
 oprid(Operator op)
 {
-    return op->t_data->t_oid;
+    /* Assert(op has oid) */
+    return HeapTupleGetOid(op);
 }

 /* given operator tuple, return the underlying function's OID */
diff -ru ../base/src/backend/parser/parse_type.c src/backend/parser/parse_type.c
--- ../base/src/backend/parser/parse_type.c    2002-06-21 02:12:19.000000000 +0200
+++ src/backend/parser/parse_type.c    2002-07-04 00:26:39.000000000 +0200
@@ -283,7 +283,8 @@
 {
     if (tp == NULL)
         elog(ERROR, "typeTypeId() called with NULL type struct");
-    return tp->t_data->t_oid;
+    /* Assert(tp has oid); */
+    return HeapTupleGetOid(tp);
 }

 /* given type (as type struct), return the length of type */
diff -ru ../base/src/backend/postmaster/pgstat.c src/backend/postmaster/pgstat.c
--- ../base/src/backend/postmaster/pgstat.c    2002-05-21 11:54:17.000000000 +0200
+++ src/backend/postmaster/pgstat.c    2002-07-04 00:26:39.000000000 +0200
@@ -628,7 +628,8 @@
             dbidlist = (Oid *) repalloc((char *) dbidlist,
                                         sizeof(Oid) * dbidalloc);
         }
-        dbidlist[dbidused++] = dbtup->t_data->t_oid;
+        AssertRelationHasOids(dbrel);
+        dbidlist[dbidused++] = HeapTupleGetOid(dbtup);
     }
     heap_endscan(dbscan);
     heap_close(dbrel, AccessShareLock);
diff -ru ../base/src/backend/rewrite/rewriteRemove.c src/backend/rewrite/rewriteRemove.c
--- ../base/src/backend/rewrite/rewriteRemove.c    2002-06-21 02:12:20.000000000 +0200
+++ src/backend/rewrite/rewriteRemove.c    2002-07-04 00:26:39.000000000 +0200
@@ -67,7 +67,8 @@
      * Save the OID of the rule (i.e. the tuple's OID) and the event
      * relation's OID
      */
-    ruleId = tuple->t_data->t_oid;
+    AssertRelationHasOids(RewriteRelation);
+    ruleId = HeapTupleGetOid(tuple);
     eventRelationOid = ((Form_pg_rewrite) GETSTRUCT(tuple))->ev_class;
     Assert(eventRelationOid == owningRel);

@@ -157,7 +158,8 @@
     while (HeapTupleIsValid(tuple = systable_getnext(scanDesc)))
     {
         /* Delete any comments associated with this rule */
-        DeleteComments(tuple->t_data->t_oid, RelationGetRelid(RewriteRelation));
+        AssertRelationHasOids(RewriteRelation);
+        DeleteComments(HeapTupleGetOid(tuple), RelationGetRelid(RewriteRelation));

         simple_heap_delete(RewriteRelation, &tuple->t_self);
     }
diff -ru ../base/src/backend/utils/adt/regproc.c src/backend/utils/adt/regproc.c
--- ../base/src/backend/utils/adt/regproc.c    2002-06-21 02:12:22.000000000 +0200
+++ src/backend/utils/adt/regproc.c    2002-07-04 00:26:39.000000000 +0200
@@ -110,7 +110,8 @@

         while (HeapTupleIsValid(tuple = systable_getnext(sysscan)))
         {
-            result = (RegProcedure) tuple->t_data->t_oid;
+            AssertRelationHasOids(hdesc);
+            result = (RegProcedure) HeapTupleGetOid(tuple);
             if (++matches > 1)
                 break;
         }
@@ -414,7 +415,8 @@

         while (HeapTupleIsValid(tuple = systable_getnext(sysscan)))
         {
-            result = tuple->t_data->t_oid;
+            AssertRelationHasOids(hdesc);
+            result = HeapTupleGetOid(tuple);
             if (++matches > 1)
                 break;
         }
@@ -731,7 +733,10 @@
                                      SnapshotNow, 1, skey);

         if (HeapTupleIsValid(tuple = systable_getnext(sysscan)))
-            result = tuple->t_data->t_oid;
+        {
+            AssertRelationHasOids(hdesc);
+            result = HeapTupleGetOid(tuple);
+        }
         else
             elog(ERROR, "No class with name %s", class_name_or_oid);

@@ -884,7 +889,10 @@
                                      SnapshotNow, 1, skey);

         if (HeapTupleIsValid(tuple = systable_getnext(sysscan)))
-            result = tuple->t_data->t_oid;
+        {
+            AssertRelationHasOids(hdesc);
+            result = HeapTupleGetOid(tuple);
+        }
         else
             elog(ERROR, "No type with name %s", typ_name_or_oid);

diff -ru ../base/src/backend/utils/adt/sets.c src/backend/utils/adt/sets.c
--- ../base/src/backend/utils/adt/sets.c    2002-06-21 02:12:22.000000000 +0200
+++ src/backend/utils/adt/sets.c    2002-07-04 00:26:39.000000000 +0200
@@ -120,7 +120,8 @@

         simple_heap_update(procrel, &newtup->t_self, newtup);

-        setoid = newtup->t_data->t_oid;
+        AssertRelationHasOids(procrel);
+        setoid = HeapTupleGetOid(newtup);

         if (RelationGetForm(procrel)->relhasindex)
         {
diff -ru ../base/src/backend/utils/cache/catcache.c src/backend/utils/cache/catcache.c
--- ../base/src/backend/utils/cache/catcache.c    2002-06-21 02:12:22.000000000 +0200
+++ src/backend/utils/cache/catcache.c    2002-07-04 00:26:39.000000000 +0200
@@ -218,7 +218,7 @@
         case 4:
             cur_skey[3].sk_argument =
                 (cache->cc_key[3] == ObjectIdAttributeNumber)
-                ? ObjectIdGetDatum(tuple->t_data->t_oid)
+                ? ObjectIdGetDatum(HeapTupleGetOid(tuple))
                 : fastgetattr(tuple,
                               cache->cc_key[3],
                               cache->cc_tupdesc,
@@ -228,7 +228,7 @@
         case 3:
             cur_skey[2].sk_argument =
                 (cache->cc_key[2] == ObjectIdAttributeNumber)
-                ? ObjectIdGetDatum(tuple->t_data->t_oid)
+                ? ObjectIdGetDatum(HeapTupleGetOid(tuple))
                 : fastgetattr(tuple,
                               cache->cc_key[2],
                               cache->cc_tupdesc,
@@ -238,7 +238,7 @@
         case 2:
             cur_skey[1].sk_argument =
                 (cache->cc_key[1] == ObjectIdAttributeNumber)
-                ? ObjectIdGetDatum(tuple->t_data->t_oid)
+                ? ObjectIdGetDatum(HeapTupleGetOid(tuple))
                 : fastgetattr(tuple,
                               cache->cc_key[1],
                               cache->cc_tupdesc,
@@ -248,7 +248,7 @@
         case 1:
             cur_skey[0].sk_argument =
                 (cache->cc_key[0] == ObjectIdAttributeNumber)
-                ? ObjectIdGetDatum(tuple->t_data->t_oid)
+                ? ObjectIdGetDatum(HeapTupleGetOid(tuple))
                 : fastgetattr(tuple,
                               cache->cc_key[0],
                               cache->cc_tupdesc,
@@ -572,7 +572,7 @@
             if (isCommit)
                 elog(WARNING, "Cache reference leak: cache %s (%d), tuple %u has count %d",
                      ct->my_cache->cc_relname, ct->my_cache->id,
-                     ct->tuple.t_data->t_oid,
+                     HeapTupleGetOid(&ct->tuple),
                      ct->refcount);
             ct->refcount = 0;
         }
@@ -717,7 +717,7 @@
                     continue;

                 if (cache->cc_reloidattr == ObjectIdAttributeNumber)
-                    tupRelid = ct->tuple.t_data->t_oid;
+                    tupRelid = HeapTupleGetOid(&ct->tuple);
                 else
                 {
                     bool        isNull;
@@ -1685,7 +1685,7 @@
     }

     ntp = heap_formtuple(tupDesc, values, nulls);
-    ntp->t_data->t_oid = tupOid;
+    HeapTupleSetOid(ntp, tupOid);

     pfree(values);
     pfree(nulls);
diff -ru ../base/src/backend/utils/cache/inval.c src/backend/utils/cache/inval.c
--- ../base/src/backend/utils/cache/inval.c    2002-06-21 02:12:22.000000000 +0200
+++ src/backend/utils/cache/inval.c    2002-07-04 00:26:39.000000000 +0200
@@ -525,7 +525,10 @@
     tupleRelId = RelationGetRelid(relation);

     if (tupleRelId == RelOid_pg_class)
-        relationId = tuple->t_data->t_oid;
+    {
+        AssertRelationHasOids(relation);
+        relationId = HeapTupleGetOid(tuple);
+    }
     else if (tupleRelId == RelOid_pg_attribute)
         relationId = ((Form_pg_attribute) GETSTRUCT(tuple))->attrelid;
     else
diff -ru ../base/src/backend/utils/cache/relcache.c src/backend/utils/cache/relcache.c
--- ../base/src/backend/utils/cache/relcache.c    2002-06-21 02:12:23.000000000 +0200
+++ src/backend/utils/cache/relcache.c    2002-07-04 00:26:39.000000000 +0200
@@ -701,7 +701,8 @@
         rule = (RewriteRule *) MemoryContextAlloc(rulescxt,
                                                   sizeof(RewriteRule));

-        rule->ruleId = rewrite_tuple->t_data->t_oid;
+        AssertRelationHasOids(rewrite_desc);
+        rule->ruleId = HeapTupleGetOid(rewrite_tuple);

         rule->event = rewrite_form->ev_type - '0';
         rule->attrno = rewrite_form->ev_attr;
@@ -839,7 +840,8 @@
     /*
      * get information from the pg_class_tuple
      */
-    relid = pg_class_tuple->t_data->t_oid;
+    /* Assert(pg_class_tuple has oid); */
+    relid = HeapTupleGetOid(pg_class_tuple);
     relp = (Form_pg_class) GETSTRUCT(pg_class_tuple);

     /*
diff -ru ../base/src/backend/utils/cache/syscache.c src/backend/utils/cache/syscache.c
--- ../base/src/backend/utils/cache/syscache.c    2002-06-21 02:12:23.000000000 +0200
+++ src/backend/utils/cache/syscache.c    2002-07-04 00:26:39.000000000 +0200
@@ -574,7 +574,8 @@
     tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
     if (!HeapTupleIsValid(tuple))
         return InvalidOid;
-    result = tuple->t_data->t_oid;
+    /* Assert(tuple has oid); */
+    result = HeapTupleGetOid(tuple);
     ReleaseSysCache(tuple);
     return result;
 }
diff -ru ../base/src/backend/utils/init/postinit.c src/backend/utils/init/postinit.c
--- ../base/src/backend/utils/init/postinit.c    2002-06-21 02:12:23.000000000 +0200
+++ src/backend/utils/init/postinit.c    2002-07-04 00:26:40.000000000 +0200
@@ -98,8 +98,9 @@
     pgdbscan = heap_beginscan(pgdbrel, SnapshotNow, 1, &key);

     tup = heap_getnext(pgdbscan, ForwardScanDirection);
+    AssertRelationHasOids(pgdbrel);
     if (!HeapTupleIsValid(tup) ||
-        tup->t_data->t_oid != MyDatabaseId)
+        HeapTupleGetOid(tup) != MyDatabaseId)
     {
         /* OOPS */
         heap_close(pgdbrel, AccessShareLock);
diff -ru ../base/src/backend/utils/misc/database.c src/backend/utils/misc/database.c
--- ../base/src/backend/utils/misc/database.c    2002-06-21 02:12:23.000000000 +0200
+++ src/backend/utils/misc/database.c    2002-07-04 00:26:40.000000000 +0200
@@ -220,7 +220,8 @@
             if (strcmp(name, NameStr(tup_db->datname)) == 0)
             {
                 /* Found it; extract the OID and the database path. */
-                *db_id = tup.t_data->t_oid;
+                /* Assert(&tup has oid); */
+                *db_id = HeapTupleGetOid(&tup);
                 pathlen = VARSIZE(&(tup_db->datpath)) - VARHDRSZ;
                 if (pathlen < 0)
                     pathlen = 0;                /* pure paranoia */
diff -ru ../base/src/include/access/htup.h src/include/access/htup.h
--- ../base/src/include/access/htup.h    2002-07-03 12:27:42.000000000 +0200
+++ src/include/access/htup.h    2002-07-04 18:05:04.000000000 +0200
@@ -123,10 +123,41 @@

 #define HEAP_XACT_MASK            0xFFF0    /* visibility-related bits */

+/* paranoid checking */
+
+#ifdef DEBUG_TUPLE_ACCESS
+
+#define HeapTupleHeaderExpectedLen(tup) \
+    MAXALIGN(offsetof(HeapTupleHeaderData, t_bits) + \
+             (((tup)->t_infomask & HEAP_HASNULL) \
+              ? BITMAPLEN((tup)->t_natts) : 0) \
+            )
+
+#define AssertHeapTupleHeaderHoffIsValid(tup) \
+    AssertMacro((tup)->t_hoff == HeapTupleHeaderExpectedLen(tup))
+
+#else
+
+#define AssertHeapTupleHeaderHoffIsValid(tup) ((void)true)
+
+#endif  /* DEBUG_TUPLE_ACCESS */


 /* HeapTupleHeader accessor macros */

+#define HeapTupleHeaderGetOid(tup) \
+( \
+    AssertHeapTupleHeaderHoffIsValid(tup), \
+    (tup)->t_oid \
+)
+
+#define HeapTupleHeaderSetOid(tup, oid) \
+( \
+    AssertHeapTupleHeaderHoffIsValid(tup), \
+    (tup)->t_oid = (oid) \
+)
+
+
 #define HeapTupleHeaderGetXmin(tup) \
 ( \
     (tup)->t_xmin \
@@ -406,4 +437,10 @@
 #define HeapTupleHasExtended(tuple) \
         ((((HeapTuple)(tuple))->t_data->t_infomask & HEAP_HASEXTENDED) != 0)

+#define HeapTupleGetOid(tuple) \
+        HeapTupleHeaderGetOid(((HeapTuple)(tuple))->t_data)
+
+#define HeapTupleSetOid(tuple, oid) \
+        HeapTupleHeaderSetOid(((HeapTuple)(tuple))->t_data, (oid))
+
 #endif   /* HTUP_H */
diff -ru ../base/src/include/pg_config.h.in src/include/pg_config.h.in
--- ../base/src/include/pg_config.h.in    2002-05-05 02:03:29.000000000 +0200
+++ src/include/pg_config.h.in    2002-07-04 16:53:52.000000000 +0200
@@ -311,6 +311,12 @@
 /* #define ACLDEBUG */
 /* #define RTDEBUG */
 /* #define GISTDEBUG */
+/*
+ * DEBUG_TUPLE_ACCESS enables paranoid assertions during
+ * elimination of oids from the fixed sized part of HeapTupleHeader.
+ * This is expected to be undef'd after v7.3 release at the latest.
+ */
+#define DEBUG_TUPLE_ACCESS

 /*
  * defining unsafe floats will make float4 and float8 ops faster
diff -ru ../base/src/include/utils/rel.h src/include/utils/rel.h
--- ../base/src/include/utils/rel.h    2002-06-21 02:12:31.000000000 +0200
+++ src/include/utils/rel.h    2002-07-04 16:29:59.000000000 +0200
@@ -258,4 +258,10 @@
 #define RelationGetNamespace(relation) \
     ((relation)->rd_rel->relnamespace)

+/*
+ * AssertRelationHasOids
+ *    to be used before ...GetOid() and ...SetOid()
+ */
+#define AssertRelationHasOids(rel) Assert(rel->rd_rel->relhasoids)
+
 #endif   /* REL_H */
diff -ru ../base/src/pl/plpython/plpython.c src/pl/plpython/plpython.c
--- ../base/src/pl/plpython/plpython.c    2002-06-17 10:11:34.000000000 +0200
+++ src/pl/plpython/plpython.c    2002-07-04 00:26:40.000000000 +0200
@@ -2091,7 +2091,7 @@
                 Py_DECREF(optr);
                 optr = NULL;    /* this is important */

-                plan->types[i] = typeTup->t_data->t_oid;
+                plan->types[i] = HeapTupleGetOid(typeTup);
                 typeStruct = (Form_pg_type) GETSTRUCT(typeTup);
                 if (typeStruct->typrelid == InvalidOid)
                     PLy_output_datum_func(&plan->args[i], typeStruct);
diff -ru ../base/src/pl/tcl/pltcl.c src/pl/tcl/pltcl.c
--- ../base/src/pl/tcl/pltcl.c    2002-06-17 10:11:34.000000000 +0200
+++ src/pl/tcl/pltcl.c    2002-07-04 00:26:40.000000000 +0200
@@ -1755,7 +1755,7 @@
     {
         /* XXX should extend this to allow qualified type names */
         typeTup = typenameType(makeTypeName(args[i]));
-        qdesc->argtypes[i] = typeTup->t_data->t_oid;
+        qdesc->argtypes[i] = HeapTupleGetOid(typeTup);
         perm_fmgr_info(((Form_pg_type) GETSTRUCT(typeTup))->typinput,
                        &(qdesc->arginfuncs[i]));
         qdesc->argtypelems[i] = ((Form_pg_type) GETSTRUCT(typeTup))->typelem;
diff -ru ../base/contrib/dbsize/dbsize.c contrib/dbsize/dbsize.c
--- ../base/contrib/dbsize/dbsize.c    2002-05-21 11:54:08.000000000 +0200
+++ contrib/dbsize/dbsize.c    2002-07-04 00:26:40.000000000 +0200
@@ -65,7 +65,8 @@
     if (!HeapTupleIsValid(tuple))
         elog(ERROR, "database %s does not exist", NameStr(*dbname));

-    dbid = tuple->t_data->t_oid;
+    AssertRelationHasOids(relation);
+    dbid = HeapTupleGetOid(tuple);
     if (dbid == InvalidOid)
         elog(ERROR, "invalid database id");

diff -ru ../base/contrib/fulltextindex/fti.c contrib/fulltextindex/fti.c
--- ../base/contrib/fulltextindex/fti.c    2001-11-05 19:46:23.000000000 +0100
+++ contrib/fulltextindex/fti.c    2002-07-04 00:26:40.000000000 +0200
@@ -190,7 +190,7 @@
     tupdesc = rel->rd_att;        /* what the tuple looks like (?) */

     /* get oid of current tuple, needed by all, so place here */
-    oid = rettuple->t_data->t_oid;
+    oid = rel->rd_rel->relhasoids ? HeapTupleGetOid(rettuple) : InvalidOid;
     if (!OidIsValid(oid))
         elog(ERROR, "Full Text Indexing: Oid of current tuple is invalid");

diff -ru ../base/contrib/rserv/rserv.c contrib/rserv/rserv.c
--- ../base/contrib/rserv/rserv.c    2002-03-06 08:09:11.000000000 +0100
+++ contrib/rserv/rserv.c    2002-07-04 00:26:40.000000000 +0200
@@ -102,7 +102,9 @@

     if (keynum == ObjectIdAttributeNumber)
     {
-        sprintf(oidbuf, "%u", tuple->t_data->t_oid);
+        sprintf(oidbuf, "%u", rel->rd_rel->relhasoids
+                              ? HeapTupleGetOid(tuple)
+                              : InvalidOid);
         key = oidbuf;
     }
     else

Servus
 Manfred