Granada\ORM::_run PHP Method

    protected function _run()
    {
        $query = $this->_build_select();
        $caching_enabled = self::$_config[$this->_connection_name]['caching'];
        if ($caching_enabled) {
            $cache_key = self::_create_cache_key($query, $this->_values);
            $cached_result = self::_check_query_cache($cache_key, $this->_connection_name);
            if ($cached_result !== false) {
                $this->reset();
                return $cached_result;
            }
        }
        self::_execute($query, $this->_values, $this->_connection_name);
        $statement = self::get_last_statement();
        $rows = array();
        while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
            $rows[] = $row;
        }
        if ($caching_enabled) {
            self::_cache_query_result($cache_key, $rows, $this->_connection_name);
        }
        // reset Idiorm after executing the query
        $this->reset();
        return $rows;
    }