1 /* Copyright (c) 2002, 2004-2006 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 02110-1335 USA */
16
17 #include "myrg_def.h"
18
myrg_records_in_range(MYRG_INFO * info,int inx,key_range * min_key,key_range * max_key)19 ha_rows myrg_records_in_range(MYRG_INFO *info, int inx,
20 key_range *min_key, key_range *max_key)
21 {
22 ha_rows records=0, res;
23 MYRG_TABLE *table;
24
25 for (table=info->open_tables ; table != info->end_table ; table++)
26 {
27 res= mi_records_in_range(table->table, inx, min_key, max_key);
28 if (res == HA_POS_ERROR)
29 return HA_POS_ERROR;
30 if (records > HA_POS_ERROR - res)
31 return HA_POS_ERROR-1;
32 records+=res;
33 }
34 return records;
35 }
36
37