text: // Copyright 2019-2020 @paritytech/polkassembly authors & contributors
  // This software may be modified and distributed under the terms
  // of the Apache-2.0 license. See the LICENSE file for details.
  exports.up = function(knex) {
  	return knex.schema.table('undo_email_change_token', (table) => {
  		table.index('token');
  	});
  };
  
  exports.down = function(knex) {
  	return knex.schema.table('undo_email_change_token', (table) => {
  		table.dropIndex('token');
  	});
  };
  