diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/commands/vacuumlazy.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/backend/commands/vacuumlazy.c b/src/backend/commands/vacuumlazy.c index d5db917d97f..3870df606b7 100644 --- a/src/backend/commands/vacuumlazy.c +++ b/src/backend/commands/vacuumlazy.c @@ -1214,6 +1214,13 @@ lazy_vacuum_page(Relation onerel, BlockNumber blkno, Buffer buffer, PageRepairFragmentation(page); /* + * Now that we have removed the dead tuples from the page, once again + * check if the page has become all-visible. + */ + if (heap_page_is_all_visible(onerel, buffer, &visibility_cutoff_xid)) + PageSetAllVisible(page); + + /* * Mark buffer dirty before we write WAL. */ MarkBufferDirty(buffer); @@ -1231,14 +1238,13 @@ lazy_vacuum_page(Relation onerel, BlockNumber blkno, Buffer buffer, } /* - * Now that we have removed the dead tuples from the page, once again - * check if the page has become all-visible. + * All the changes to the heap page have been done. If the all-visible + * flag is now set, also set the VM bit. */ - if (!visibilitymap_test(onerel, blkno, vmbuffer) && - heap_page_is_all_visible(onerel, buffer, &visibility_cutoff_xid)) + if (PageIsAllVisible(page) && + !visibilitymap_test(onerel, blkno, vmbuffer)) { Assert(BufferIsValid(*vmbuffer)); - PageSetAllVisible(page); visibilitymap_set(onerel, blkno, buffer, InvalidXLogRecPtr, *vmbuffer, visibility_cutoff_xid); } |