mirror of
https://github.com/MariaDB/server.git
synced 2025-10-30 04:26:45 +03:00
eab2893dac
Renamed _hp_func -> hp_func mi_key_cmp moved to /mysys/my_handler.c New tests for HEAP tables
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* 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_KEYDEF *keyinfo = info->keydef + key;
|
|
if (keyinfo->algorithm == HA_KEY_ALG_BTREE)
|
|
{
|
|
delete_tree(&keyinfo->rb_tree);
|
|
}
|
|
else
|
|
{
|
|
HP_BLOCK *block= &keyinfo->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;
|
|
}
|