diff options
Diffstat (limited to 'src/backend/access/heap/heapam_handler.c')
| -rw-r--r-- | src/backend/access/heap/heapam_handler.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/backend/access/heap/heapam_handler.c b/src/backend/access/heap/heapam_handler.c index 9aa468295ae..35553c7c92d 100644 --- a/src/backend/access/heap/heapam_handler.c +++ b/src/backend/access/heap/heapam_handler.c @@ -205,6 +205,15 @@ heapam_fetch_row_version(Relation relation, } static bool +heapam_tuple_tid_valid(TableScanDesc scan, ItemPointer tid) +{ + HeapScanDesc hscan = (HeapScanDesc) scan; + + return ItemPointerIsValid(tid) && + ItemPointerGetBlockNumber(tid) < hscan->rs_nblocks; +} + +static bool heapam_tuple_satisfies_snapshot(Relation rel, TupleTableSlot *slot, Snapshot snapshot) { @@ -2568,6 +2577,7 @@ static const TableAmRoutine heapam_methods = { .tuple_fetch_row_version = heapam_fetch_row_version, .tuple_get_latest_tid = heap_get_latest_tid, + .tuple_tid_valid = heapam_tuple_tid_valid, .tuple_satisfies_snapshot = heapam_tuple_satisfies_snapshot, .compute_xid_horizon_for_tuples = heap_compute_xid_horizon_for_tuples, |