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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1999-03-28 20:32:42 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1999-03-28 20:32:42 +0000 |
| commit | fdf6be80f993d2908f794c0a33aedff479a92813 (patch) | |
| tree | 01e6047f38baeb4124c6c331de8ed81862647353 /src/backend/access/nbtree/nbtpage.c | |
| parent | d4ed17842a44853ce339b80e111ec1bc58691c17 (diff) | |
| download | postgresql-fdf6be80f993d2908f794c0a33aedff479a92813.tar.gz | |
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.
Diffstat (limited to 'src/backend/access/nbtree/nbtpage.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtpage.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/backend/access/nbtree/nbtpage.c b/src/backend/access/nbtree/nbtpage.c index 812481c953..0cace9d360 100644 --- a/src/backend/access/nbtree/nbtpage.c +++ b/src/backend/access/nbtree/nbtpage.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtpage.c,v 1.18 1999/02/13 23:14:35 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtpage.c,v 1.19 1999/03/28 20:31:57 vadim Exp $ * * NOTES * Postgres btree pages look like ordinary relation pages. The opaque @@ -421,6 +421,8 @@ _bt_pageinit(Page page, Size size) MemSet(page, 0, size); PageInit(page, size, sizeof(BTPageOpaqueData)); + ((BTPageOpaque) PageGetSpecialPointer(page))->btpo_parent = + InvalidBlockNumber; } /* |