public function getQueryBuilder()
    {
        if (!is_object($this->_queryBuilder)) {
            $this->_queryBuilder = Yii::createObject($this->_queryBuilder, [$this]);
        }
        return $this->_queryBuilder;
    }
public function getQueryBuilder()
    {
        if (!is_object($this->_queryBuilder)) {
            $this->_queryBuilder = Yii::createObject($this->_queryBuilder, [$this]);
        }
        return $this->_queryBuilder;
    }
public function getQueryBuilder ( ) { if ( ! is_object ( $ this -> _queryBuilder ) ) { $ this -> _queryBuilder = Yii :: createObject ( $ this -> _queryBuilder , [ $ this ] ) ; } return $ this -> _queryBuilder ; }
Returns the query builder for the this MongoDB connection.
@return QueryBuilder the query builder for the this MongoDB connection.
@since 2.1
Returns the query builder for the this MongoDB connection .