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function file_update_8700 in Drupal 8

Set the 'owner' entity key and update the field.

File

core/modules/file/file.install, line 167
Install, update and uninstall functions for File module.

Code

function file_update_8700() {
  $definition_update_manager = \Drupal::entityDefinitionUpdateManager();
  $entity_type = $definition_update_manager
    ->getEntityType('file');
  $keys = $entity_type
    ->getKeys();
  $keys['owner'] = 'uid';
  $entity_type
    ->set('entity_keys', $keys);
  $definition_update_manager
    ->updateEntityType($entity_type);
  $definition_update_manager
    ->updateFieldStorageDefinition($definition_update_manager
    ->getFieldStorageDefinition('uid', 'file'));
}