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Diffstat (limited to 'src/backend/catalog/pg_constraint.c')
-rw-r--r--src/backend/catalog/pg_constraint.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/backend/catalog/pg_constraint.c b/src/backend/catalog/pg_constraint.c
index 84dab8eb218..4fb96d21002 100644
--- a/src/backend/catalog/pg_constraint.c
+++ b/src/backend/catalog/pg_constraint.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/catalog/pg_constraint.c,v 1.53 2010/02/26 02:00:37 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/catalog/pg_constraint.c,v 1.54 2010/08/05 15:25:35 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -727,12 +727,12 @@ AlterConstraintNamespaces(Oid ownerId, Oid oldNspId,
}
/*
- * GetConstraintByName
+ * get_constraint_oid
* Find a constraint on the specified relation with the specified name.
* Returns constraint's OID.
*/
Oid
-GetConstraintByName(Oid relid, const char *conname)
+get_constraint_oid(Oid relid, const char *conname, bool missing_ok)
{
Relation pg_constraint;
HeapTuple tuple;
@@ -773,7 +773,7 @@ GetConstraintByName(Oid relid, const char *conname)
systable_endscan(scan);
/* If no such constraint exists, complain */
- if (!OidIsValid(conOid))
+ if (!OidIsValid(conOid) && !missing_ok)
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("constraint \"%s\" for table \"%s\" does not exist",