function hook_field_storage_purge

Remove field storage information when field data is purged.

Called from field_purge_data() to allow the field storage module to delete field data information.

Parameters

\Drupal\Core\Entity\EntityInterface $entity: The pseudo-entity whose field data to delete.

$field: The (possibly deleted) field whose data is being purged.

$instance: The deleted field instance whose data is being purged.

Related topics

Field CRUD API
Creates, updates, and deletes Field API fields, bundles, and instances.
Hooks
Allow modules to interact with the Drupal core.
2 functions implement hook_field_storage_purge()
1 invocation of hook_field_storage_purge()

File

drupal/core/modules/field/field.api.php, line 2054

Code

function hook_field_storage_purge(\Drupal\Core\Entity\EntityInterface $entity, $field, $instance) {
  $table_name = _field_sql_storage_tablename($field);
  $revision_name = _field_sql_storage_revision_tablename($field);
  db_delete($table_name)
    ->condition('entity_type', $entity
    ->entityType())
    ->condition('entity_id', $entity
    ->id())
    ->execute();
  db_delete($revision_name)
    ->condition('entity_type', $entity
    ->entityType())
    ->condition('entity_id', $entity
    ->id())
    ->execute();
}