DBALQueryBuilder example

$operatorValidator = new QueryOperatorValidator();
        }

        return new self($conn, $config, $operatorValidator);
    }

    /** * @return DBALQueryBuilder */
    public function getDBALQueryBuilder()
    {
        return new DBALQueryBuilder($this->getConnection());
    }

    /** * Serialize an entity or an array of entities to an array * * @param Traversable|array|ModelEntity $entity * * @return array */
    public function toArray($entity)
    {