diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/partitioning/partdesc.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/backend/partitioning/partdesc.c b/src/backend/partitioning/partdesc.c index ae193681b96..ae52432f7bf 100644 --- a/src/backend/partitioning/partdesc.c +++ b/src/backend/partitioning/partdesc.c @@ -130,8 +130,6 @@ RelationBuildPartitionDesc(Relation rel) Relation pg_class; SysScanDesc scan; ScanKeyData key[1]; - Datum datum; - bool isnull; pg_class = table_open(RelationRelationId, AccessShareLock); ScanKeyInit(&key[0], @@ -141,10 +139,16 @@ RelationBuildPartitionDesc(Relation rel) scan = systable_beginscan(pg_class, ClassOidIndexId, true, NULL, 1, key); tuple = systable_getnext(scan); - datum = heap_getattr(tuple, Anum_pg_class_relpartbound, - RelationGetDescr(pg_class), &isnull); - if (!isnull) - boundspec = stringToNode(TextDatumGetCString(datum)); + if (HeapTupleIsValid(tuple)) + { + Datum datum; + bool isnull; + + datum = heap_getattr(tuple, Anum_pg_class_relpartbound, + RelationGetDescr(pg_class), &isnull); + if (!isnull) + boundspec = stringToNode(TextDatumGetCString(datum)); + } systable_endscan(scan); table_close(pg_class, AccessShareLock); } |