src/Pool.php
private function getSelectOneByType($type)
    {
        if (empty($this->types[$type]['sql_select_by_ids'])) {
            $this->types[$type]['sql_select_by_ids'] = 'SELECT ' . $this->getEscapedTypeFields($type) . ' FROM ' . $this->getTypeTable($type, true) . ' WHERE `id` IN ? ORDER BY `id`';
        }

        return $this->types[$type]['sql_select_by_ids'];
    }
private function getSelectOneByType($type)
    {
        if (empty($this->types[$type]['sql_select_by_ids'])) {
            $this->types[$type]['sql_select_by_ids'] = 'SELECT ' . $this->getEscapedTypeFields($type) . ' FROM ' . $this->getTypeTable($type, true) . ' WHERE `id` IN ? ORDER BY `id`';
        }

        return $this->types[$type]['sql_select_by_ids'];
    }
Return select by ID-s query for the given type.

@param  string $type
@return string