WellCommerce\Bundle\DoctrineBundle\Repository\EntityRepository::getDataSetQueryBuilder PHP Method

    public function getDataSetQueryBuilder() : QueryBuilder
    {
        $queryBuilder = $this->getQueryBuilder();
        $metadata = $this->getMetadata();
        $identifierField = sprintf('%s.%s', $metadata->getTableName(), $metadata->getSingleIdentifierFieldName());
        if ($metadata->hasAssociation(self::TRANSLATIONS_ASSOCIATION_NAME)) {
            $association = $metadata->getAssociationTargetClass(self::TRANSLATIONS_ASSOCIATION_NAME);
            $associationMetaData = $this->getEntityManager()->getClassMetadata($association);
            $associationTableName = $associationMetaData->getTableName();
            $translationField = sprintf('%s.%s', $associationTableName, self::TRANSLATIONS_ASSOCIATION_FIELD);
            $queryBuilder->leftJoin($association, $associationMetaData->getTableName(), 'WITH', "{$identifierField} = {$translationField}");
        }
        return $queryBuilder;
    }