1. Vacuum is updated for MVCC.
Vadim B. Mikheev <vadim4o@yahoo.com>
1. Vacuum is updated for MVCC. 2. Much faster btree tuples deletion in the case when first on page index tuple is deleted (no movement to the left page(s)). 3. Remember blkno of new root page in BTPageOpaque of left/right siblings when root page is splitted.
Files
| Path | Change | +/− |
|---|---|---|
| src/backend/access/heap/heapam.c | modified | +2 −2 |
| src/backend/access/nbtree/nbtinsert.c | modified | +12 −2 |
| src/backend/access/nbtree/nbtpage.c | modified | +3 −1 |
| src/backend/access/nbtree/nbtree.c | modified | +18 −19 |
| src/backend/access/nbtree/nbtscan.c | modified | +60 −113 |
| src/backend/access/nbtree/nbtsearch.c | modified | +7 −11 |
| src/backend/access/transam/xact.c | modified | +7 −1 |
| src/backend/commands/vacuum.c | modified | +487 −60 |
| src/backend/storage/buffer/bufmgr.c | modified | +14 −15 |
| src/backend/storage/ipc/shmem.c | modified | +60 −13 |
| src/backend/storage/lmgr/multi.c | modified | +1 −52 |
| src/backend/storage/lmgr/proc.c | modified | +2 −4 |
| src/backend/utils/time/tqual.c | modified | +95 −41 |
| src/include/access/htup.h | modified | +5 −2 |
| src/include/access/nbtree.h | modified | +3 −9 |
| src/include/commands/vacuum.h | modified | +28 −9 |