| protected addJoinOnce ( Doctrine\ORM\QueryBuilder $queryBuilder, ApiPlatform\Core\Bridge\Doctrine\Orm\Util\QueryNameGeneratorInterface $queryNameGenerator, string $alias, string $association ) : string | ||
| $queryBuilder | Doctrine\ORM\QueryBuilder | |
| $queryNameGenerator | ApiPlatform\Core\Bridge\Doctrine\Orm\Util\QueryNameGeneratorInterface | |
| $alias | string | |
| $association | string | the association field |
| return | string | the new association alias |
protected function addJoinOnce(QueryBuilder $queryBuilder, QueryNameGeneratorInterface $queryNameGenerator, string $alias, string $association) : string
{
$join = $this->getExistingJoin($queryBuilder, $alias, $association);
if (null === $join) {
$associationAlias = $queryNameGenerator->generateJoinAlias($association);
$queryBuilder->join(sprintf('%s.%s', $alias, $association), $associationAlias);
} else {
$associationAlias = $join->getAlias();
}
return $associationAlias;
}