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/* Copyright (c) 2002, 2004-2006 MySQL AB
Use is subject to license terms
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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#include "myrg_def.h"
ha_rows myrg_records_in_range(MYRG_INFO *info, int inx,
const key_range *min_key,
const key_range *max_key,
page_range *pages)
{
ha_rows records=0, res;
MYRG_TABLE *table;
page_range ignore_pages;
/* Don't calculate pages of more than one active partition */
if (info->open_tables +1 != info->end_table)
pages= &ignore_pages;
for (table=info->open_tables ; table != info->end_table ; table++)
{
res= mi_records_in_range(table->table, inx, min_key, max_key, pages);
if (res == HA_POS_ERROR)
return HA_POS_ERROR;
if (records > HA_POS_ERROR - res)
return HA_POS_ERROR-1;
records+=res;
}
return records;
}
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