public function query($str_query, $arr_params = null)
    {
        $this->str_last_query = $str_query;
        $this->arr_last_params = $arr_params;
        $this->str_last_cursor = null;
        return $this;
    }
public function query($str_query, $arr_params = null)
    {
        $this->str_last_query = $str_query;
        $this->arr_last_params = $arr_params;
        $this->str_last_cursor = null;
        return $this;
    }
public function query ( $ str_query , $ arr_params = null ) { $ this -> str_last_query = $ str_query ; $ this -> arr_last_params = $ arr_params ; $ this -> str_last_cursor = null ; return $ this ; }
Fetch Entities based on a GQL query

Supported parameter types: String, Integer, DateTime, GDS\Entity

@param $str_query
@param array|null $arr_params
@return $this
Fetch Entities based on a GQL query