diff options
| 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/include/access/nbtree.h | |
| parent | d4ed17842a44853ce339b80e111ec1bc58691c17 (diff) | |
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/include/access/nbtree.h')
| -rw-r--r-- | src/include/access/nbtree.h | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/src/include/access/nbtree.h b/src/include/access/nbtree.h index fedd539e5dc..b1c54366d88 100644 --- a/src/include/access/nbtree.h +++ b/src/include/access/nbtree.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: nbtree.h,v 1.23 1999/02/13 23:20:55 momjian Exp $ + * $Id: nbtree.h,v 1.24 1999/03/28 20:32:34 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -42,6 +42,7 @@ typedef struct BTPageOpaqueData { BlockNumber btpo_prev; BlockNumber btpo_next; + BlockNumber btpo_parent; uint16 btpo_flags; #define BTP_LEAF (1 << 0) @@ -177,13 +178,6 @@ typedef struct BTPageState #define BT_DESCENT 1 /* - * We must classify index modification types for the benefit of - * _bt_adjscans. - */ -#define BT_INSERT 0 -#define BT_DELETE 1 - -/* * In general, the btree code tries to localize its knowledge about * page layout to a couple of routines. However, we need a special * value to indicate "no page number" in those places where we expect @@ -268,7 +262,7 @@ extern void btdelete(Relation rel, ItemPointer tid); */ extern void _bt_regscan(IndexScanDesc scan); extern void _bt_dropscan(IndexScanDesc scan); -extern void _bt_adjscans(Relation rel, ItemPointer tid, int op); +extern void _bt_adjscans(Relation rel, ItemPointer tid); /* * prototypes for functions in nbtsearch.c |