Re: Cannot recreate DB scheme using pg_dump

prakashn(at)uci(dot)edu writes:
> I've attached the schema dump, and the corresponding psql output when
> run by the superuser as "psql -f schema_dump db_name >& psql_output".

Okay, I see the problem: pg_dump is losing track of which session
authorization it's currently got selected. This is a consequence of
what the ACL-dumping code has to do to replicate GRANTs granted by
non-owners. The attached patch (against 7.4 branch) seems to fix it.

regards, tom lane

Index: pg_backup_archiver.c
===================================================================
RCS file: /cvsroot/pgsql-server/src/bin/pg_dump/pg_backup_archiver.c,v
retrieving revision 1.79.2.2
diff -c -r1.79.2.2 pg_backup_archiver.c
*** pg_backup_archiver.c 24 Feb 2004 03:35:43 -0000 1.79.2.2
--- pg_backup_archiver.c 19 Jul 2004 20:56:06 -0000
***************
*** 2262,2267 ****
--- 2262,2278 ----
ahprintf(AH, "%s\n\n", te->defn);
}

+ /*
+ * If it's an ACL entry, it might contain SET SESSION AUTHORIZATION
+ * commands, so we can no longer assume we know the current auth setting.
+ */
+ if (strncmp(te->desc, "ACL", 3) == 0)
+ {
+ if (AH->currUser)
+ free(AH->currUser);
+ AH->currUser = NULL;
+ }
+
return 1;
}