/**
* Return selects cut by min and max
*
* @param Varien_Db_Select $select
* @param string $field
* @param int $range
* @return array
*/
protected function _prepareSelectsByRange(Varien_Db_Select $select, $field, $range = self::RANGE_CATEGORY_STEP)
{
return $this->_connection->selectsByRange($field, $select, $range);
}