function field_collection_update_7006 in Field collection 7

Ensures revision_id indexes are present at field_config table.

File

./field_collection.install, line 316

Install, update and uninstall functions for the field_collection module.

Code

function field_collection_update_7006() {
  $result = db_query("SELECT id, field_name, data FROM {field_config} WHERE type = 'field_collection'");
  foreach ($result as $field_config) {
    $data = unserialize($field_config->data);

    // Skip this record if the revision_id index is already present.
    if (isset($data['indexes']['revision_id'])) {
      continue;
    }

    // Otherwise, add the revision_id index and update the record.
    $data['indexes']['revision_id'] = array(
      'revision_id',
    );
    $data = serialize($data);
    $num_updated = db_update('field_config')
      ->fields(array(
      'data' => $data,
    ))
      ->condition('id', $field_config->id)
      ->execute();

    // If for some reason the update failed, throw an exception.
    if ($num_updated != 1) {
      $t_args['@field'] = $field_config->field_name;
      throw new DrupalUpdateException(t('An error was detected when attempting to update field configuration for field @field.', $t_args));
    }
  }
}