function field_update_1000

Convert fields to configuration files.

File

modules/field/field.install, line 20

Install, update and uninstall functions for the field module.

Code

function field_update_1000() {
  if (db_table_exists('field_config')) {
    // Only upgrade active fields. As we no longer support multiple fields with
    // the same name, this prevents upgrading deleted fields that would conflict
    // with active fields with the same name.
    $result = db_query('SELECT * FROM {field_config} WHERE deleted = 0 AND active = 1');
    foreach ($result as $row) {
      $field = (array) $row;
      $field += unserialize($field['data']);
      $field['storage'] = array(
        'type' => $field['storage_type'],
        'module' => $field['storage_module'],
        'active' => $field['storage_active'],
        'settings' => array(),
      );
      unset($field['id']);
      unset($field['data']);
      unset($field['storage_type']);
      unset($field['storage_module']);
      unset($field['storage_active']);
      $config = config('field.field.' . $field['field_name']);
      $config->setData($field);
      $config->save();
    }
    db_drop_table('field_config');
  }

  if (db_table_exists('field_config_instance')) {
    $result = db_query('SELECT * FROM {field_config_instance} WHERE deleted = 0');
    foreach ($result as $row) {
      $instance = (array) $row;
      $instance += unserialize($instance['data']);
      unset($instance['id']);
      unset($instance['field_id']);
      unset($instance['data']);
      $config = config('field.instance.' . $instance['entity_type'] . '.' . $instance['bundle'] . '.' . $instance['field_name']);
      $config->setData($instance);
      $config->save();
    }
  }

  // Upgrade display mode settings.
  $result = db_query("SELECT * FROM {variable} WHERE name LIKE 'field_bundle_settings_%'");
  foreach ($result as $row) {
    $variable_name = $row->name;
    $data = unserialize($row->value);
    $name = str_replace('field_bundle_settings_', '', $variable_name);
    $entity_type = substr($name, 0, strpos($name, '__'));
    $bundle = substr($name, strpos($name, '__') + 2);
    $config = config('field.bundle.' . $entity_type . '.' . $bundle);
    $config->setData($data);
    $config->save();
  }
  db_query("DELETE FROM {variable} WHERE name LIKE 'field_bundle_settings_%'");

  // Update purge size variable to config.
  config_set('system.core', 'field_purge_batch_size', update_variable_get('field_purge_batch_size', 200));
}