Fix SchemaTool::getSchemaFromMetadata() uniqueConstraint without a predefined name (#11314)

* Fix loading SchemaTool::getSchemaFromMetadata() uniqueConstraint without a name

Fixes a type miss-match exception when reading a UniqueConstraint defined on an Entity which doesn't have a predefined name.

* Fix deprecation on DBAL 3

---------

Co-authored-by: Alexander M. Turek <[email protected]>

Author: rmotaln

src/Tools/SchemaTool.php

@@ -365,7 +365,7 @@ static function (ClassMetadata $class) use ($idMapping): bool {
 
             if (isset($class->table['uniqueConstraints'])) {
                 foreach ($class->table['uniqueConstraints'] as $indexName => $indexData) {
-                    $uniqIndex = new Index($indexName, $this->getIndexColumns($class, $indexData), true, false, [], $indexData['options'] ?? []);
+                    $uniqIndex = new Index('tmp__' . $indexName, $this->getIndexColumns($class, $indexData), true, false, [], $indexData['options'] ?? []);
 
                     foreach ($table->getIndexes() as $tableIndexName => $tableIndex) {
                         $method = method_exists($tableIndex, 'isFulfilledBy') ? 'isFulfilledBy' : 'isFullfilledBy';

tests/Tests/ORM/Tools/SchemaToolTest.php

@@ -374,6 +374,27 @@ public function testConfigurationSchemaIgnoredEntity(): void
         self::assertTrue($schema->hasTable('first_entity'), 'Table first_entity should exist.');
         self::assertFalse($schema->hasTable('second_entity'), 'Table second_entity should not exist.');
     }
+
+    #[Group('11314')]
+    public function testLoadUniqueConstraintWithoutName(): void
+    {
+        $em     = $this->getTestEntityManager();
+        $entity = $em->getClassMetadata(GH11314Entity::class);
+
+        $schemaTool = new SchemaTool($em);
+        $schema     = $schemaTool->getSchemaFromMetadata([$entity]);
+
+        self::assertTrue($schema->hasTable('GH11314Entity'));
+
+        $tableEntity = $schema->getTable('GH11314Entity');
+
+        self::assertTrue($tableEntity->hasIndex('uniq_2d81a3ed5bf54558875f7fd5'));
+
+        $tableIndex = $tableEntity->getIndex('uniq_2d81a3ed5bf54558875f7fd5');
+
+        self::assertTrue($tableIndex->isUnique());
+        self::assertSame(['field', 'anotherField'], $tableIndex->getColumns());
+    }
 }
 
 /**
@@ -559,6 +580,32 @@ class IndexByFieldEntity
     public $fieldName;
 }
 
+/**
+ * @Entity
+ * @Table(uniqueConstraints={@UniqueConstraint(columns={"field", "anotherField"})})
+ */
+class GH11314Entity
+{
+    /**
+     * @Column(type="integer")
+     * @Id
+     * @var int
+     */
+    private $id;
+
+    /**
+     * @Column(name="field", type="string")
+     * @var string
+     */
+    private $field;
+
+    /**
+     * @Column(name="anotherField", type="string")
+     * @var string
+     */
+    private $anotherField;
+}
+
 class IncorrectIndexByFieldEntity
 {
     /** @var int */