_rectest.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:1k
- /* 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 */
- /* Test if a record has changed since last read */
- /* In heap this is only used when debugging */
- #include "heapdef.h"
- int hp_rectest(register HP_INFO *info, register const byte *old)
- {
- DBUG_ENTER("hp_rectest");
- if (memcmp(info->current_ptr,old,(size_t) info->s->reclength))
- {
- DBUG_RETURN((my_errno=HA_ERR_RECORD_CHANGED)); /* Record have changed */
- }
- DBUG_RETURN(0);
- } /* _heap_rectest */