/* Copyright (C) 2006 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 */ /* Read through all rows sequntially */ #include "maria_def.h" int maria_scan_init(register MARIA_HA *info) { DBUG_ENTER("maria_scan_init"); info->nextpos=info->s->pack.header_length; /* Read first record */ info->lastinx= -1; /* Can't forward or backward */ if (info->opt_flag & WRITE_CACHE_USED && flush_io_cache(&info->rec_cache)) DBUG_RETURN(my_errno); DBUG_RETURN(0); } /* Read a row based on position. If filepos= HA_OFFSET_ERROR then read next row Return values Returns one of following values: 0 = Ok. HA_ERR_END_OF_FILE = EOF. */ int maria_scan(MARIA_HA *info, byte *buf) { DBUG_ENTER("maria_scan"); /* Init all but update-flag */ info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED); DBUG_RETURN ((*info->s->read_rnd)(info,buf,info->nextpos,1)); }