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| author | Robert Haas <rhaas@postgresql.org> | 2010-07-25 23:21:22 +0000 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2010-07-25 23:21:22 +0000 |
| commit | a3b012b560f8871e9c24abb24e28cabc6d3c92ea (patch) | |
| tree | 26b6d7f182580269737c3d7c11365c933332e21f /src/backend/commands/tablecmds.c | |
| parent | edff75bef809629c197c27b23f57baa36330d12e (diff) | |
| download | postgresql-a3b012b560f8871e9c24abb24e28cabc6d3c92ea.tar.gz postgresql-a3b012b560f8871e9c24abb24e28cabc6d3c92ea.zip | |
CREATE TABLE IF NOT EXISTS.
Reviewed by Bernd Helmle.
Diffstat (limited to 'src/backend/commands/tablecmds.c')
| -rw-r--r-- | src/backend/commands/tablecmds.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index c5981d4e5b2..2fdce989c01 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.333 2010/07/23 20:04:18 petere Exp $ + * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.334 2010/07/25 23:21:21 rhaas Exp $ * *------------------------------------------------------------------------- */ @@ -548,8 +548,18 @@ DefineRelation(CreateStmt *stmt, char relkind) stmt->oncommit, reloptions, true, - allowSystemTableMods); + allowSystemTableMods, + stmt->if_not_exists); + /* + * If heap_create_with_catalog returns InvalidOid, it means that the user + * specified "IF NOT EXISTS" and the relation already exists. In that + * case we do nothing further. + */ + if (relationId == InvalidOid) + return InvalidOid; + + /* Store inheritance information for new rel. */ StoreCatalogInheritance(relationId, inheritOids); /* |