diff options
Diffstat (limited to 'src/backend/access/heap/heapam.c')
| -rw-r--r-- | src/backend/access/heap/heapam.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index 4be0dee4de0..82bb9cb33b6 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -1184,7 +1184,12 @@ heap_rescan(TableScanDesc sscan, ScanKey key, bool set_params, scan->rs_vmbuffer = InvalidBuffer; } - Assert(scan->rs_empty_tuples_pending == 0); + /* + * Reset rs_empty_tuples_pending, a field only used by bitmap heap scan, + * to avoid incorrectly emitting NULL-filled tuples from a previous scan + * on rescan. + */ + scan->rs_empty_tuples_pending = 0; /* * The read stream is reset on rescan. This must be done before @@ -1216,8 +1221,6 @@ heap_endscan(TableScanDesc sscan) if (BufferIsValid(scan->rs_vmbuffer)) ReleaseBuffer(scan->rs_vmbuffer); - Assert(scan->rs_empty_tuples_pending == 0); - /* * Must free the read stream before freeing the BufferAccessStrategy. */ |