diff options
Diffstat (limited to 'src/backend/optimizer/util/plancat.c')
| -rw-r--r-- | src/backend/optimizer/util/plancat.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/backend/optimizer/util/plancat.c b/src/backend/optimizer/util/plancat.c index 42a2fb416a7..a34e8251fb8 100644 --- a/src/backend/optimizer/util/plancat.c +++ b/src/backend/optimizer/util/plancat.c @@ -10,9 +10,9 @@ * * IDENTIFICATION <<<<<<< plancat.c - * $Header: /cvsroot/pgsql/src/backend/optimizer/util/plancat.c,v 1.54 2000/06/09 01:44:16 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/util/plancat.c,v 1.55 2000/06/09 03:17:12 tgl Exp $ ======= - * $Header: /cvsroot/pgsql/src/backend/optimizer/util/plancat.c,v 1.54 2000/06/09 01:44:16 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/util/plancat.c,v 1.55 2000/06/09 03:17:12 tgl Exp $ >>>>>>> 1.53 * *------------------------------------------------------------------------- @@ -292,13 +292,18 @@ find_inheritance_children(Oid inhparent) * Currently has_subclass is only used as an efficiency hack, so this * is ok. */ -bool has_subclass(Oid relationId) +bool +has_subclass(Oid relationId) { - HeapTuple tuple = - SearchSysCacheTuple(RELOID, - ObjectIdGetDatum(relationId), - 0, 0, 0); - return ((Form_pg_class) GETSTRUCT(tuple))->relhassubclass; + HeapTuple tuple = + SearchSysCacheTuple(RELOID, + ObjectIdGetDatum(relationId), + 0, 0, 0); + + if (!HeapTupleIsValid(tuple)) + elog(ERROR, "has_subclass: Relation %u not found", + relationId); + return ((Form_pg_class) GETSTRUCT(tuple))->relhassubclass; } #ifdef NOT_USED |