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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-12-15 12:47:01 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-12-15 12:47:01 +0000 |
| commit | 3f7fbf85dc5b42dfd33c803efe6c90533773576a (patch) | |
| tree | df8f84075ae7a27fa6b7ec0d063a03898e0b1bbb /src/backend/commands/vacuum.c | |
| parent | c5a27161a188b235ce3c0afb1b12e8942ac8e963 (diff) | |
| download | postgresql-3f7fbf85dc5b42dfd33c803efe6c90533773576a.tar.gz | |
Initial MVCC code.
New code for locking buffer' context.
Diffstat (limited to 'src/backend/commands/vacuum.c')
| -rw-r--r-- | src/backend/commands/vacuum.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c index f7bed005ad..608dd729ff 100644 --- a/src/backend/commands/vacuum.c +++ b/src/backend/commands/vacuum.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.91 1998/11/27 19:51:58 vadim Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.92 1998/12/15 12:46:01 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -497,7 +497,7 @@ vc_vacone(Oid relid, bool analyze, List *va_cols) } /* we require the relation to be locked until the indices are cleaned */ - RelationSetLockForWrite(onerel); + LockRelation(onerel, AccessExclusiveLock); /* scan it */ vacuum_pages.vpl_num_pages = fraged_pages.vpl_num_pages = 0; @@ -1918,7 +1918,7 @@ vc_delhilowstats(Oid relid, int attcnt, int *attnums) if (i >= attcnt) continue; /* don't delete it */ } - heap_delete(pgstatistic, &tuple->t_self); + heap_delete(pgstatistic, &tuple->t_self, NULL); } heap_endscan(scan); @@ -1928,11 +1928,7 @@ vc_delhilowstats(Oid relid, int attcnt, int *attnums) static void vc_setpagelock(Relation rel, BlockNumber blkno) { - ItemPointerData itm; - - ItemPointerSet(&itm, blkno, 1); - - RelationSetLockForWritePage(rel, &itm); + LockPage(rel, blkno, ExclusiveLock); } /* |