Add SchemaIgnoreClasses property

docs/en/reference/advanced-configuration.rst

@@ -440,6 +440,19 @@ That will be available for all entities without a custom repository class.
 The default value is ``Doctrine\ORM\EntityRepository``.
 Any repository class must be a subclass of EntityRepository otherwise you got an ORMException
 
+Ignoring entities (***OPTIONAL***)
+-----------------------------------
+
+Specifies the Entity FQCNs to ignore.
+SchemaTool will then skip these (e.g. when comparing schemas).
+
+.. code-block:: php
+
+    <?php
+    $config->setSchemaIgnoreClasses([$fqcn]);
+    $config->getSchemaIgnoreClasses();
+
+
 Setting up the Console
 ----------------------
 

lib/Doctrine/ORM/Configuration.php

@@ -1012,4 +1012,24 @@ public function setDefaultQueryHint($name, $value)
     {
         $this->_attributes['defaultQueryHints'][$name] = $value;
     }
+
+    /**
+     * Gets a list of entity class names to be ignored by the SchemaTool
+     *
+     * @return list<class-string>
+     */
+    public function getSchemaIgnoreClasses(): array
+    {
+        return $this->_attributes['schemaIgnoreClasses'] ?? [];
+    }
+
+    /**
+     * Sets a list of entity class names to be ignored by the SchemaTool
+     *
+     * @param list<class-string> $schemaIgnoreClasses List of entity class names
+     */
+    public function setSchemaIgnoreClasses(array $schemaIgnoreClasses): void
+    {
+        $this->_attributes['schemaIgnoreClasses'] = $schemaIgnoreClasses;
+    }
 }

lib/Doctrine/ORM/Tools/SchemaTool.php

@@ -129,7 +129,8 @@ private function processingNotRequired(
         return isset($processedClasses[$class->name]) ||
             $class->isMappedSuperclass ||
             $class->isEmbeddedClass ||
-            ($class->isInheritanceTypeSingleTable() && $class->name !== $class->rootEntityName);
+            ($class->isInheritanceTypeSingleTable() && $class->name !== $class->rootEntityName) ||
+            in_array($class->name, $this->em->getConfiguration()->getSchemaIgnoreClasses());
     }
 
     /**

tests/Doctrine/Tests/ORM/Tools/SchemaToolTest.php

@@ -338,6 +338,34 @@ public function testIncorrectUniqueConstraintsBasedOnFields(): void
         $this->expectException(MappingException::class);
         $schemaTool->getSchemaFromMetadata([$class]);
     }
+
+    /**
+     * @group schema-configuration
+     */
+    public function testConfigurationSchemaIgnoredEntity(): void
+    {
+        $em         = $this->getTestEntityManager();
+        $schemaTool = new SchemaTool($em);
+
+        $classes = [
+            $em->getClassMetadata(FirstEntity::class),
+            $em->getClassMetadata(SecondEntity::class),
+        ];
+
+        $schema = $schemaTool->getSchemaFromMetadata($classes);
+
+        self::assertTrue($schema->hasTable('first_entity'), 'Table first_entity should exist.');
+        self::assertTrue($schema->hasTable('second_entity'), 'Table second_entity should exist.');
+
+        $em->getConfiguration()->setSchemaIgnoreClasses([
+            SecondEntity::class,
+        ]);
+
+        $schema = $schemaTool->getSchemaFromMetadata($classes);
+
+        self::assertTrue($schema->hasTable('first_entity'), 'Table first_entity should exist.');
+        self::assertFalse($schema->hasTable('second_entity'), 'Table second_entity should not exist.');
+    }
 }
 
 /**