1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
|
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
remove all records from database
Identical as hp_create() and hp_open() but used HP_SHARE* instead of name and
database remains open.
*/
#include "heapdef.h"
void heap_clear(HP_INFO *info)
{
_hp_clear(info->s);
}
void _hp_clear(HP_SHARE *info)
{
uint key;
DBUG_ENTER("_hp_clear");
if (info->block.levels)
VOID(_hp_free_level(&info->block,info->block.levels,info->block.root,
(byte*) 0));
info->block.levels=0;
for (key=0 ; key < info->keys ; key++)
{
HP_BLOCK *block= &info->keydef[key].block;
if (block->levels)
VOID(_hp_free_level(block,block->levels,block->root,(byte*) 0));
block->levels=0;
block->last_allocated=0;
}
info->records=info->deleted=info->data_length=info->index_length=0;
info->blength=1;
info->changed=0;
info->del_link=0;
DBUG_VOID_RETURN;
}
|