mirror of
https://github.com/MariaDB/server.git
synced 2025-07-30 16:24:05 +03:00
Import changeset
This commit is contained in:
51
heap/hp_rkey.c
Normal file
51
heap/hp_rkey.c
Normal file
@ -0,0 +1,51 @@
|
||||
/* 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 */
|
||||
|
||||
#include "heapdef.h"
|
||||
|
||||
int heap_rkey(HP_INFO *info, byte *record, int inx, const byte *key)
|
||||
{
|
||||
byte *pos;
|
||||
HP_SHARE *share=info->s;
|
||||
DBUG_ENTER("hp_rkey");
|
||||
DBUG_PRINT("enter",("base: %lx inx: %d",info,inx));
|
||||
|
||||
if ((uint) inx >= share->keys)
|
||||
{
|
||||
DBUG_RETURN(my_errno=HA_ERR_WRONG_INDEX);
|
||||
}
|
||||
info->lastinx=inx;
|
||||
info->current_record = (ulong) ~0L; /* For heap_rrnd() */
|
||||
|
||||
if (!(pos=_hp_search(info,share->keydef+inx,key,0)))
|
||||
{
|
||||
info->update=0;
|
||||
DBUG_RETURN(my_errno);
|
||||
}
|
||||
memcpy(record,pos,(size_t) share->reclength);
|
||||
info->update=HA_STATE_AKTIV;
|
||||
if (!(share->keydef->flag & HA_NOSAME))
|
||||
memcpy(info->lastkey,key,(size_t) share->keydef[inx].length);
|
||||
DBUG_RETURN(0);
|
||||
}
|
||||
|
||||
|
||||
/* Quick find of record */
|
||||
|
||||
gptr heap_find(HP_INFO *info, int inx, const byte *key)
|
||||
{
|
||||
return _hp_search(info,info->s->keydef+inx,key,0);
|
||||
}
|
Reference in New Issue
Block a user