Fix DBAL deprecation

Author: derrabus

phpstan-dbal3.neon

@@ -38,6 +38,10 @@ parameters:
             message: '~^Call to static method quoted\(\) on an unknown class Doctrine\\DBAL\\Schema\\Name\\Identifier\.$~'
             path: src/Tools/SchemaTool.php
 
+        -
+            message: '~^Call to an undefined method Doctrine\\DBAL\\Schema\\Table\:\:getObjectName\(\)\.$~'
+            path: src/Mapping/Driver/DatabaseDriver.php
+
         -
             message: '~^Call to an undefined method Doctrine\\DBAL\\Schema\\ForeignKeyConstraint::get.*\.$~'
             identifier: method.notFound

src/Mapping/Driver/DatabaseDriver.php

@@ -252,7 +252,14 @@ public function loadMetadataForClass(string $className, PersistenceClassMetadata
                         ];
                     }
                 } else {
-                    $associationMapping['mappedBy'] = $this->getFieldNameForColumn($manyTable->getName(), current(self::getReferencingColumnNames($myFk)), true);
+                    $associationMapping['mappedBy'] = $this->getFieldNameForColumn(
+                        // @phpstan-ignore function.alreadyNarrowedType (DBAL 3 compatibility)
+                        method_exists(Table::class, 'getObjectName')
+                            ? $manyTable->getObjectName()->toString()
+                            : $manyTable->getName(), // DBAL < 4.4
+                        current(self::getReferencingColumnNames($myFk)),
+                        true,
+                    );
                 }
 
                 $metadata->mapManyToMany($associationMapping);