inheritance

src/Repository/Entity1Repository.php

@@ -63,4 +63,15 @@ class Entity1Repository extends ServiceEntityRepository
             ->getOneOrNullResult()
         ;
     }
+
+    /**
+     * https://www.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/schema-manager.html
+     *
+     * @return \Doctrine\DBAL\Schema\AbstractSchemaManager|null
+     * @throws \Doctrine\DBAL\Exception
+     */
+    public function getSchemaManager()
+    {
+        return $this->getEntityManager()->getConnection()->getSchemaManager();
+    }
 }