Use manual hydration for many-to-many to avoid problems with caching

src/Repository/BibliographyRepository.php

@@ -22,25 +22,35 @@ class BibliographyRepository extends ServiceEntityRepository
      */
     public function findAllBySite(int $siteId): array
     {
-        $rsm = new ResultSetMappingBuilder($this->getEntityManager());
-        $rsm->addRootEntityFromClassMetadata('App\Entity\Bibliography', 'b');
-        $query = $this->getEntityManager()->createNativeQuery(
-            'SELECT
-                id,
-                citazione,
-                riferimento,
-                pagine
+        $conn = $this->getEntityManager()->getConnection();
+
+        $sql = '
+            SELECT 
+                b.id,
+                b.citazione,
+                b.riferimento,
+                bs.pagine
             FROM bibliografia b
-            JOIN bibliografia_sito
-            ON id_bibliografia = b.id
-            WHERE id_sito = :id
-            ORDER BY ordine ASC',
-            $rsm
-        );
+            INNER JOIN bibliografia_sito bs ON bs.id_bibliografia = b.id
+            WHERE bs.id_sito = :siteId
+            ORDER BY bs.ordine ASC
+        ';
 
-        $query->setParameter('id', $siteId);
+        $stmt = $conn->prepare($sql);
+        $results = $stmt->executeQuery(['siteId' => $siteId])->fetchAllAssociative();
 
-        return $query->getResult();
+        $entities = [];
+
+        foreach ($results as $row) {
+            $biblio = new Bibliography();
+            $biblio->setId($row['id']);
+            $biblio->setCitation($row['citazione']);
+            $biblio->setReference($row['riferimento']);
+            $biblio->setPages($row['pagine']);
+            $entities[] = $biblio;
+        }
+
+        return $entities;
     }
     /**
      * @return Bibliography[]