namespace Drupal\Core\Field;
+use Drupal\Core\Database\DatabaseExceptionWrapper;
use Drupal\Core\Entity\EntityLastInstalledSchemaRepositoryInterface;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Entity\FieldableEntityStorageInterface;
use Drupal\Core\Entity\Sql\SqlContentEntityStorage;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
*/
protected $entityFieldManager;
+ /**
+ * The deleted fields repository.
+ *
+ * @var \Drupal\Core\Field\DeletedFieldsRepositoryInterface
+ */
+ protected $deletedFieldsRepository;
+
/**
* Constructs a new FieldStorageDefinitionListener.
*
* The entity last installed schema repository.
* @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
* The entity field manager.
+ * @param \Drupal\Core\Field\DeletedFieldsRepositoryInterface $deleted_fields_repository
+ * The deleted fields repository.
*/
- public function __construct(EntityTypeManagerInterface $entity_type_manager, EventDispatcherInterface $event_dispatcher, EntityLastInstalledSchemaRepositoryInterface $entity_last_installed_schema_repository, EntityFieldManagerInterface $entity_field_manager) {
+ public function __construct(EntityTypeManagerInterface $entity_type_manager, EventDispatcherInterface $event_dispatcher, EntityLastInstalledSchemaRepositoryInterface $entity_last_installed_schema_repository, EntityFieldManagerInterface $entity_field_manager, DeletedFieldsRepositoryInterface $deleted_fields_repository) {
$this->entityTypeManager = $entity_type_manager;
$this->eventDispatcher = $event_dispatcher;
$this->entityLastInstalledSchemaRepository = $entity_last_installed_schema_repository;
$this->entityFieldManager = $entity_field_manager;
+ $this->deletedFieldsRepository = $deleted_fields_repository;
}
/**
$storage->setEntityType($last_installed_entity_type);
}
+ // Keep the field definition in the deleted fields repository so we can use
+ // it later during field_purge_batch(), but only if the field has data.
+ try {
+ if ($storage_definition instanceof BaseFieldDefinition && $storage instanceof FieldableEntityStorageInterface && $storage->countFieldData($storage_definition, TRUE)) {
+ $deleted_storage_definition = clone $storage_definition;
+ $deleted_storage_definition->setDeleted(TRUE);
+ $this->deletedFieldsRepository->addFieldDefinition($deleted_storage_definition);
+ $this->deletedFieldsRepository->addFieldStorageDefinition($deleted_storage_definition);
+ }
+ }
+ catch (DatabaseExceptionWrapper $e) {
+ // This may happen when changing field storage schema, since we are not
+ // able to use a table mapping matching the passed storage definition.
+ // @todo Revisit this once we are able to instantiate the table mapping
+ // properly. See https://www.drupal.org/node/2274017.
+ }
+
if ($storage instanceof FieldStorageDefinitionListenerInterface) {
$storage->onFieldStorageDefinitionDelete($storage_definition);
}