text: /* eslint-disable no-unused-vars */
  
  export default {
    async up(query, DataTypes) {
      await query.addColumn('tab', 'lastActivityAt', DataTypes.INTEGER);
      await query.sequelize.query(`
        UPDATE "tab"
        SET lastActivityAt = updatedAt
      `, { raw: true });
    },
  
    async down(query) {
      await query.removeColumn('tab', 'lastActivityAt');
    }
  };
  