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First step in attempt to fix tree at runtime: create upper levels

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and new root page if old root one was splitted but new root page
wasn't created.
New code is protected by FixBTree bool flag setted to FALSE, so
nothing should be affected by this untested approach.
This commit is contained in:
Vadim B. Mikheev
2001-01-26 01:24:31 +00:00
parent 19c4197bd2
commit c6e6d292bc
3 changed files with 282 additions and 61 deletions
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15
src/backend/access/nbtree/nbtree.c
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@ -12,7 +12,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.75 2001/01/24 19:42:48 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.76 2001/01/26 01:24:31 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -26,13 +26,18 @@
#include "executor/executor.h"
#include "miscadmin.h"
#include "storage/sinval.h"
#include "access/xlogutils.h"
bool BuildingBtree = false; /* see comment in btbuild() */
bool FastBuild = true; /* use sort/build instead of insertion
* build */
bool FastBuild = true; /* use sort/build instead */
/* of insertion build */
#include "access/xlogutils.h"
/*
* TEMPORARY FLAG FOR TESTING NEW FIX TREE
* CODE WITHOUT AFFECTING ANYONE ELSE
*/
bool FixBTree = false;
static void _bt_restscan(IndexScanDesc scan);