Merge pull request #784 from acelaya-forks/feature/tag-visits-many-short-urls

Feature/tag visits many short urls

.travis.yml

@@ -46,7 +46,7 @@ before_script:
   - export DOCKERFILE_CHANGED=$(git diff ${TRAVIS_COMMIT_RANGE:-origin/master} --name-only | grep Dockerfile)
 
 script:
-  - if [[ "${DOCKER_PUBLISH}" == 'false' ]]; then composer ci ; fi
+  - if [[ "${DOCKER_PUBLISH}" == 'false' ]]; then bin/test/run-api-tests.sh --coverage-php build/coverage-api.cov && composer ci ; fi
   - if [[ ! -z "${DOCKERFILE_CHANGED}" && "${TRAVIS_PHP_VERSION}" == "7.4" && "${DOCKER_PUBLISH}" == "false" ]]; then docker build -t shlink-docker-image:temp . ; fi
   - if [[ "${DOCKER_PUBLISH}" == 'true' ]]; then bash ./docker/build ; fi
 

CHANGELOG.md

@@ -25,6 +25,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com), and this
 #### Fixed
 
 * [#769](https://github.com/shlinkio/shlink/issues/769) Fixed custom slugs not allowing valid URL characters, like `.`, `_` or `~`.
+* [#781](https://github.com/shlinkio/shlink/issues/781) Fixed memory leak when loading visits for a tag which is used for big amounts of short URLs.
 
 
 ## 2.2.1 - 2020-05-11

composer.json

@@ -58,7 +58,7 @@
         "symfony/filesystem": "^5.1",
         "symfony/lock": "^5.1",
         "symfony/mercure": "^0.3.0",
-        "symfony/process": "~5.0.9",
+        "symfony/process": "^5.1",
         "symfony/string": "^5.1",
         "symfony/translation-contracts": "^2.1"
     },
@@ -112,8 +112,7 @@
         ],
         "test:ci": [
             "@test:unit:ci",
-            "@test:db",
+            "@test:db"
-            "@test:api:ci"
         ],
         "test:unit": "phpdbg -qrr vendor/bin/phpunit --order-by=random --colors=always --coverage-php build/coverage-unit.cov --testdox",
         "test:unit:ci": "@test:unit --coverage-clover=build/clover.xml --coverage-xml=build/coverage-xml --log-junit=build/junit.xml",

module/Core/src/Repository/VisitRepository.php

@@ -12,8 +12,6 @@ use Shlinkio\Shlink\Core\Entity\ShortUrl;
 use Shlinkio\Shlink\Core\Entity\Visit;
 use Shlinkio\Shlink\Core\Entity\VisitLocation;
 
-use function array_column;
-
 use const PHP_INT_MAX;
 
 class VisitRepository extends EntityRepository implements VisitRepositoryInterface
@@ -142,26 +140,18 @@ class VisitRepository extends EntityRepository implements VisitRepositoryInterfa
 
     private function createVisitsByTagQueryBuilder(string $tag, ?DateRange $dateRange = null): QueryBuilder
     {
-        $qb = $this->getEntityManager()->createQueryBuilder();
-        $qb->select('s.id')
-           ->from(ShortUrl::class, 's')
-           ->join('s.tags', 't')
-           ->where($qb->expr()->eq('t.name', ':tag'))
-           ->setParameter('tag', $tag);
-
-        $shortUrlIds = array_column($qb->getQuery()->getArrayResult(), 'id');
-        $shortUrlIds[] = '-1'; // Add an invalid ID, in case the list is empty
-
         // Parameters in this query need to be part of the query itself, as we need to use it a sub-query later
         // Since they are not strictly provided by the caller, it's reasonably safe
-        $qb2 = $this->getEntityManager()->createQueryBuilder();
+        $qb = $this->getEntityManager()->createQueryBuilder();
-        $qb2->from(Visit::class, 'v')
+        $qb->from(Visit::class, 'v')
-            ->where($qb2->expr()->in('v.shortUrl', $shortUrlIds));
+           ->join('v.shortUrl', 's')
+           ->join('s.tags', 't')
+           ->where($qb->expr()->eq('t.name', '\'' . $tag . '\''));
 
         // Apply date range filtering
-        $this->applyDatesInline($qb2, $dateRange);
+        $this->applyDatesInline($qb, $dateRange);
 
-        return $qb2;
+        return $qb;
     }
 
     private function applyDatesInline(QueryBuilder $qb, ?DateRange $dateRange): void