Как при обновлении версии модуля создать таблицу в базе данных

/**
 * Implements hook_schema().
 */
function MY_MODULE_schema() {
  $schema = array();
 
  $schema['new_table'] = array(
    'description' => 'Stores information about Instagram accounts, categories, node relations.',
    'fields' => array(
      'aid' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => 'Account ID.',
      ),
      'username' => array(
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Instagram account username.',
      ),
      'entity_type' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Entity type to which Instagram account attached.',
      ),
      'entity_id' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Entity id to which Instagram account attached.',
      ),
    ),
    'primary key' => array('aid'),
  );
 
  return $schema;
}

/**
 * Implements hook_update_N().
 */
function MU_MODULE_update_7100() {
  $instagram_tables = drupal_get_schema_unprocessed('MY_MODULE');
  foreach ($instagram_tables as $name => $table) {
    db_create_table($name, $table);
  }
}