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Simplify query to find short URL when domain is null

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This commit is contained in:
Alejandro Celaya 2025-02-14 10:20:50 +01:00
parent 8fd53afe3f
commit 745255736a
1 changed files with 24 additions and 15 deletions
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39
module/Core/src/ShortUrl/Repository/ShortUrlRepository.php
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@ -31,24 +31,33 @@ class ShortUrlRepository extends EntitySpecificationRepository implements ShortU
$ordering = $dbPlatform instanceof PostgreSQLPlatform ? 'ASC' : 'DESC'; $ordering = $dbPlatform instanceof PostgreSQLPlatform ? 'ASC' : 'DESC';
$isStrict = $shortUrlMode === ShortUrlMode::STRICT; $isStrict = $shortUrlMode === ShortUrlMode::STRICT;
$qb = $this->createQueryBuilder('s'); // FIXME The `LOWER(s.shortCode)` condition in non-strict mode drops performance dramatically.
$qb->leftJoin('s.domain', 'd') // Investigate if the case-insensitive check can be done natively by the DB engine.
->where($qb->expr()->eq($isStrict ? 's.shortCode' : 'LOWER(s.shortCode)', ':shortCode'))
->setParameter('shortCode', $isStrict ? $identifier->shortCode : strtolower($identifier->shortCode))
->andWhere($qb->expr()->orX(
$qb->expr()->isNull('s.domain'),
$qb->expr()->eq('d.authority', ':domain'),
))
->setParameter('domain', $identifier->domain);
// Since we order by domain, we will have first the URL matching provided domain, followed by the one $qb = $this->createQueryBuilder('s');
// with no domain (if any), so it is safe to fetch 1 max result, and we will get: $qb->where($qb->expr()->eq($isStrict ? 's.shortCode' : 'LOWER(s.shortCode)', ':shortCode'))
// * The short URL matching both the short code and the domain, or ->setParameter('shortCode', $isStrict ? $identifier->shortCode : strtolower($identifier->shortCode))
// * The short URL matching the short code but without any domain, or
// * No short URL at all
$qb->orderBy('s.domain', $ordering)
->setMaxResults(1); ->setMaxResults(1);
// If $domain is null, do not join with domains nor do $qb->expr()->eq('d.authority', ':domain')
$domain = $identifier->domain;
if ($domain === null) {
$qb->andWhere($qb->expr()->isNull('s.domain'));
} else {
$qb->leftJoin('s.domain', 'd')
->andWhere($qb->expr()->orX(
$qb->expr()->isNull('s.domain'),
$qb->expr()->eq('d.authority', ':domain'),
))
->setParameter('domain', $domain)
// Since we order by domain, we will have first the URL matching provided domain, followed by the one
// with no domain (if any), so it is safe to fetch 1 max result, and we will get:
// * The short URL matching both the short code and the domain, or
// * The short URL matching the short code but without any domain, or
// * No short URL at all
->orderBy('s.domain', $ordering);
}
return $qb->getQuery()->getOneOrNullResult(); return $qb->getQuery()->getOneOrNullResult();
} }