diff options
Diffstat (limited to 'src/backend/access/heap/pruneheap.c')
| -rw-r--r-- | src/backend/access/heap/pruneheap.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/access/heap/pruneheap.c b/src/backend/access/heap/pruneheap.c index c2f5343dac8..5c20a7bc4c3 100644 --- a/src/backend/access/heap/pruneheap.c +++ b/src/backend/access/heap/pruneheap.c @@ -733,7 +733,7 @@ heap_page_prune_execute(Buffer buffer, * root_offsets[k - 1] = j. * * The passed-in root_offsets array must have MaxHeapTuplesPerPage entries. - * We zero out all unused entries. + * Unused entries are filled with InvalidOffsetNumber (zero). * * The function must be called with at least share lock on the buffer, to * prevent concurrent prune operations. @@ -748,7 +748,8 @@ heap_get_root_tuples(Page page, OffsetNumber *root_offsets) OffsetNumber offnum, maxoff; - MemSet(root_offsets, 0, MaxHeapTuplesPerPage * sizeof(OffsetNumber)); + MemSet(root_offsets, InvalidOffsetNumber, + MaxHeapTuplesPerPage * sizeof(OffsetNumber)); maxoff = PageGetMaxOffsetNumber(page); for (offnum = FirstOffsetNumber; offnum <= maxoff; offnum = OffsetNumberNext(offnum)) |