rfirst.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 */
- /* L{ser f|rsta posten som har samma isam-nyckel */
- #include "isamdef.h"
- /*
- L{ser f|rsta posten med samma isamnyckel som f|reg}ende l{sning.
- Man kan ha gjort write, update eller delete p} f|reg}ende post.
- OBS! [ven om man {ndrade isamnyckeln p} f|reg}ende post l{ses
- posten i avseende p} f|reg}ende isam-nyckel-l{sning !!
- */
- int nisam_rfirst(N_INFO *info, byte *buf, int inx)
- {
- DBUG_ENTER("nisam_rfirst");
- info->lastpos= NI_POS_ERROR;
- info->update|= HA_STATE_PREV_FOUND;
- DBUG_RETURN(nisam_rnext(info,buf,inx));
- } /* nisam_rfirst */