diff options
| -rw-r--r-- | src/backend/access/heap/vacuumlazy.c | 53 |
1 files changed, 16 insertions, 37 deletions
diff --git a/src/backend/access/heap/vacuumlazy.c b/src/backend/access/heap/vacuumlazy.c index 09416450af9..8a42e17aec2 100644 --- a/src/backend/access/heap/vacuumlazy.c +++ b/src/backend/access/heap/vacuumlazy.c @@ -1872,8 +1872,6 @@ lazy_scan_new_or_empty(LVRelState *vacrel, Buffer buf, BlockNumber blkno, */ if (!PageIsAllVisible(page)) { - uint8 old_vmbits; - START_CRIT_SECTION(); /* mark buffer dirty before writing a WAL record */ @@ -1893,24 +1891,16 @@ lazy_scan_new_or_empty(LVRelState *vacrel, Buffer buf, BlockNumber blkno, log_newpage_buffer(buf, true); PageSetAllVisible(page); - old_vmbits = visibilitymap_set(vacrel->rel, blkno, buf, - InvalidXLogRecPtr, - vmbuffer, InvalidTransactionId, - VISIBILITYMAP_ALL_VISIBLE | - VISIBILITYMAP_ALL_FROZEN); + visibilitymap_set(vacrel->rel, blkno, buf, + InvalidXLogRecPtr, + vmbuffer, InvalidTransactionId, + VISIBILITYMAP_ALL_VISIBLE | + VISIBILITYMAP_ALL_FROZEN); END_CRIT_SECTION(); - /* - * If the page wasn't already set all-visible and/or all-frozen in - * the VM, count it as newly set for logging. - */ - if ((old_vmbits & VISIBILITYMAP_ALL_VISIBLE) == 0) - { - vacrel->vm_new_visible_pages++; - vacrel->vm_new_visible_frozen_pages++; - } - else if ((old_vmbits & VISIBILITYMAP_ALL_FROZEN) == 0) - vacrel->vm_new_frozen_pages++; + /* Count the newly all-frozen pages for logging */ + vacrel->vm_new_visible_pages++; + vacrel->vm_new_visible_frozen_pages++; } freespace = PageGetHeapFreeSpace(page); @@ -2915,7 +2905,6 @@ lazy_vacuum_heap_page(LVRelState *vacrel, BlockNumber blkno, Buffer buffer, if (heap_page_is_all_visible(vacrel, buffer, &visibility_cutoff_xid, &all_frozen)) { - uint8 old_vmbits; uint8 flags = VISIBILITYMAP_ALL_VISIBLE; if (all_frozen) @@ -2925,25 +2914,15 @@ lazy_vacuum_heap_page(LVRelState *vacrel, BlockNumber blkno, Buffer buffer, } PageSetAllVisible(page); - old_vmbits = visibilitymap_set(vacrel->rel, blkno, buffer, - InvalidXLogRecPtr, - vmbuffer, visibility_cutoff_xid, - flags); + visibilitymap_set(vacrel->rel, blkno, buffer, + InvalidXLogRecPtr, + vmbuffer, visibility_cutoff_xid, + flags); - /* - * If the page wasn't already set all-visible and/or all-frozen in the - * VM, count it as newly set for logging. - */ - if ((old_vmbits & VISIBILITYMAP_ALL_VISIBLE) == 0) - { - vacrel->vm_new_visible_pages++; - if (all_frozen) - vacrel->vm_new_visible_frozen_pages++; - } - - else if ((old_vmbits & VISIBILITYMAP_ALL_FROZEN) == 0 && - all_frozen) - vacrel->vm_new_frozen_pages++; + /* Count the newly set VM page for logging */ + vacrel->vm_new_visible_pages++; + if (all_frozen) + vacrel->vm_new_visible_frozen_pages++; } /* Revert to the previous phase information for error traceback */ |