Re: [ADMIN] Config option log_statement - Mailing list pgsql-patches

From Bruce Momjian
Subject Re: [ADMIN] Config option log_statement
Date
Msg-id 200505301938.j4UJc3218101@candle.pha.pa.us
Whole thread Raw
List pgsql-patches
S Murthy Kambhampaty wrote:
> In postgresql 8.0, "create table <> as ..." statements
> appear not to logged unless log_statement = 'all' in
> postgresql.conf.  We are trying to reduce noise in the
> logs from pgAdminIII and phpPgAdmin, but we use a lot
> of 'create table <> as ...' queries that need to be
> logged, and their duration tracked.  Is there a
> combination of settings that will do the trick?  Can
> postgresql be upgraded to log "create table <> as ..."
> statements with log_statment = 'ddl' and/or
> log_statment = 'mod'?

Ah, I see I forgot about SELECT INTO when doing this for 8.0.  The
attached patch fixes it.  I will apply it to 8.0.X and CVS current.
Thanks for the report.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073
Index: src/backend/tcop/postgres.c
===================================================================
RCS file: /cvsroot/pgsql/src/backend/tcop/postgres.c,v
retrieving revision 1.444
diff -c -c -r1.444 postgres.c
*** src/backend/tcop/postgres.c    24 May 2005 04:18:04 -0000    1.444
--- src/backend/tcop/postgres.c    30 May 2005 19:37:09 -0000
***************
*** 498,504 ****
          if (IsA(parsetree, PrepareStmt))
              parsetree = (Node *) (((PrepareStmt *) parsetree)->query);

!         if (IsA(parsetree, SelectStmt))
              continue;        /* optimization for frequent command */

          if (log_statement == LOGSTMT_MOD &&
--- 498,505 ----
          if (IsA(parsetree, PrepareStmt))
              parsetree = (Node *) (((PrepareStmt *) parsetree)->query);

!         if (IsA(parsetree, SelectStmt) &&
!             ((SelectStmt *) parsetree)->into == NULL)
              continue;        /* optimization for frequent command */

          if (log_statement == LOGSTMT_MOD &&
***************
*** 514,519 ****
--- 515,521 ----
          if ((log_statement == LOGSTMT_MOD ||
               log_statement == LOGSTMT_DDL) &&
              (strncmp(commandTag, "CREATE ", strlen("CREATE ")) == 0 ||
+              IsA(parsetree, SelectStmt) || /* SELECT INTO, CREATE AS */
               strncmp(commandTag, "ALTER ", strlen("ALTER ")) == 0 ||
               strncmp(commandTag, "DROP ", strlen("DROP ")) == 0 ||
               IsA(parsetree, GrantStmt) ||    /* GRANT or REVOKE */

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