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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* read record through position and fix key-position */
/* As maria_rsame but supply a position */
#include "maria_def.h"
/*
Read row based on postion
@param inx If inx >= 0 postion the given index on found row
@return
@retval 0 Ok
@retval HA_ERR_KEY_NOT_FOUND Row is deleted
@retval HA_ERR_END_OF_FILE End of file
*/
int maria_rsame_with_pos(MARIA_HA *info, uchar *record, int inx,
MARIA_RECORD_POS filepos)
{
DBUG_ENTER("maria_rsame_with_pos");
DBUG_PRINT("enter",("index: %d filepos: %ld", inx, (long) filepos));
if (inx < -1 ||
(inx >= 0 && ! maria_is_key_active(info->s->state.key_map, inx)))
{
DBUG_RETURN(my_errno=HA_ERR_WRONG_INDEX);
}
info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
if ((*info->s->read_record)(info, record, filepos))
{
if (my_errno == HA_ERR_RECORD_DELETED)
my_errno=HA_ERR_KEY_NOT_FOUND;
DBUG_RETURN(my_errno);
}
info->cur_row.lastpos= filepos;
info->lastinx= inx;
if (inx >= 0)
{
(*info->s->keyinfo[inx].make_key)(info, &info->last_key, (uint) inx,
info->lastkey_buff,
record, info->cur_row.lastpos,
info->cur_row.trid);
info->update|=HA_STATE_KEY_CHANGED; /* Don't use indexposition */
}
DBUG_RETURN(0);
} /* maria_rsame_pos */
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