diff options
Diffstat (limited to 'src/backend/utils/adt/enum.c')
| -rw-r--r-- | src/backend/utils/adt/enum.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/src/backend/utils/adt/enum.c b/src/backend/utils/adt/enum.c index 3446da31048..d5818a9751e 100644 --- a/src/backend/utils/adt/enum.c +++ b/src/backend/utils/adt/enum.c @@ -312,8 +312,8 @@ enum_endpoint(Oid enumtypoid, ScanDirection direction) /* * Find the first/last enum member using pg_enum_typid_sortorder_index. - * Note we must not use the syscache, and must use an MVCC snapshot here. - * See comments for RenumberEnumType in catalog/pg_enum.c for more info. + * Note we must not use the syscache. See comments for RenumberEnumType + * in catalog/pg_enum.c for more info. */ ScanKeyInit(&skey, Anum_pg_enum_enumtypid, @@ -322,8 +322,7 @@ enum_endpoint(Oid enumtypoid, ScanDirection direction) enum_rel = heap_open(EnumRelationId, AccessShareLock); enum_idx = index_open(EnumTypIdSortOrderIndexId, AccessShareLock); - enum_scan = systable_beginscan_ordered(enum_rel, enum_idx, - GetTransactionSnapshot(), + enum_scan = systable_beginscan_ordered(enum_rel, enum_idx, NULL, 1, &skey); enum_tuple = systable_getnext_ordered(enum_scan, direction); @@ -465,8 +464,8 @@ enum_range_internal(Oid enumtypoid, Oid lower, Oid upper) /* * Scan the enum members in order using pg_enum_typid_sortorder_index. - * Note we must not use the syscache, and must use an MVCC snapshot here. - * See comments for RenumberEnumType in catalog/pg_enum.c for more info. + * Note we must not use the syscache. See comments for RenumberEnumType + * in catalog/pg_enum.c for more info. */ ScanKeyInit(&skey, Anum_pg_enum_enumtypid, @@ -475,9 +474,7 @@ enum_range_internal(Oid enumtypoid, Oid lower, Oid upper) enum_rel = heap_open(EnumRelationId, AccessShareLock); enum_idx = index_open(EnumTypIdSortOrderIndexId, AccessShareLock); - enum_scan = systable_beginscan_ordered(enum_rel, enum_idx, - GetTransactionSnapshot(), - 1, &skey); + enum_scan = systable_beginscan_ordered(enum_rel, enum_idx, NULL, 1, &skey); max = 64; elems = (Datum *) palloc(max * sizeof(Datum)); |