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/* 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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
/* Read a record with random-access. The position to the record must
get by MARIA_HA. The next record can be read with pos= MARIA_POS_ERROR */
#include "maria_def.h"
/*
Read a row based on position.
RETURN
0 Ok.
HA_ERR_RECORD_DELETED Record is deleted.
HA_ERR_END_OF_FILE EOF.
*/
int maria_rrnd(MARIA_HA *info, uchar *buf, MARIA_RECORD_POS filepos)
{
int ret;
DBUG_ENTER("maria_rrnd");
DBUG_ASSERT(filepos != HA_OFFSET_ERROR);
/* Init all but update-flag */
info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
if (info->opt_flag & WRITE_CACHE_USED && flush_io_cache(&info->rec_cache))
DBUG_RETURN(my_errno);
info->cur_row.lastpos= filepos; /* Remember for update */
ret= (*info->s->read_record)(info, buf, filepos);
DBUG_RETURN(ret);
}
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