1/* Copyright (c) 2000-2002, 2005-2007 MySQL AB
2 Use is subject to license terms
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; version 2 of the License.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
16
17/* re-read current record */
18
19#include "heapdef.h"
20
21 /* If inx != -1 the new record is read according to index
22 (for next/prev). Record must in this case point to last record
23 Returncodes:
24 0 = Ok.
25 HA_ERR_RECORD_DELETED = Record was removed
26 HA_ERR_KEY_NOT_FOUND = Record not found with key
27 */
28
29int heap_rsame(register HP_INFO *info, uchar *record, int inx)
30{
31 HP_SHARE *share=info->s;
32 DBUG_ENTER("heap_rsame");
33
34 test_active(info);
35 if (info->current_ptr[share->visible])
36 {
37 if (inx < -1 || inx >= (int) share->keys)
38 {
39 DBUG_RETURN(my_errno=HA_ERR_WRONG_INDEX);
40 }
41 else if (inx != -1)
42 {
43 info->lastinx=inx;
44 hp_make_key(share->keydef + inx, info->lastkey, record);
45 if (!hp_search(info, share->keydef + inx, info->lastkey, 3))
46 {
47 info->update= 0;
48 DBUG_RETURN(my_errno);
49 }
50 }
51 memcpy(record,info->current_ptr,(size_t) share->reclength);
52 DBUG_RETURN(0);
53 }
54 info->update=0;
55
56 DBUG_RETURN(my_errno=HA_ERR_RECORD_DELETED);
57}
58