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/* 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 */
/* re-read current record */
#include "heapdef.h"
/* If inx != -1 the new record is read according to index
(for next/prev). Record must in this case point to last record
Returncodes:
0 = Ok.
HA_ERR_RECORD_DELETED = Record was removed
HA_ERR_KEY_NOT_FOUND = Record not found with key
*/
int heap_rsame(register HP_INFO *info, byte *record, int inx)
{
HP_SHARE *share=info->s;
DBUG_ENTER("heap_rsame");
test_active(info);
if (info->current_ptr[share->reclength])
{
if (inx < -1 || inx >= (int) share->keys)
{
DBUG_RETURN(my_errno=HA_ERR_WRONG_INDEX);
}
else if (inx != -1)
{
info->lastinx=inx;
hp_make_key(share->keydef + inx, info->lastkey, record);
if (!hp_search(info, share->keydef + inx, info->lastkey, 3))
{
info->update=0;
DBUG_RETURN(my_errno);
}
}
memcpy(record,info->current_ptr,(size_t) share->reclength);
DBUG_RETURN(0);
}
info->update=0;
DBUG_RETURN(my_errno=HA_ERR_RECORD_DELETED);
}
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