public function SqlContentEntityStorage::onFieldDefinitionDelete

public SqlContentEntityStorage::onFieldDefinitionDelete(FieldDefinitionInterface $field_definition)

Reacts to the deletion of a field.

Stored values should not be wiped at once, but marked as 'deleted' so that they can go through a proper purge process later on.

Parameters

\Drupal\Core\Field\FieldDefinitionInterface $field_definition: The field definition being deleted.

Overrides ContentEntityStorageBase::onFieldDefinitionDelete

File

core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php, line 1467

Class

SqlContentEntityStorage

A content entity database storage implementation.

Namespace

Drupal\Core\Entity\Sql

Code

public function onFieldDefinitionDelete(FieldDefinitionInterface $field_definition) {
  $table_mapping = $this->getTableMapping();
  $storage_definition = $field_definition->getFieldStorageDefinition();
  // Mark field data as deleted.
  if ($table_mapping->requiresDedicatedTableStorage($storage_definition)) {
    $table_name = $table_mapping->getDedicatedDataTableName($storage_definition);
    $revision_name = $table_mapping->getDedicatedRevisionTableName($storage_definition);
    $this->database->update($table_name)
      ->fields(array('deleted' => 1))
      ->condition('bundle', $field_definition->getTargetBundle())
      ->execute();
    if ($this->entityType->isRevisionable()) {
      $this->database->update($revision_name)
        ->fields(array('deleted' => 1))
        ->condition('bundle', $field_definition->getTargetBundle())
        ->execute();
    }
  }
}