| 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 02110-1301, USA */ |
| 16 | |
| 17 | #include "myrg_def.h" |
| 18 | |
| 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 | |