exports.up = async (knex) => { // using async/await lets you work with multiple tables in one up/down await knex.schema.alterTable('media', (table) => { table.string("slug"); }); // because this is an async it'll automatically be a promise for knex // add any other tables here with an await, no need to return } exports.down = async (knex) => { await knex.schema.alterTable('media', (table) => { table.dropColumn("slug"); }); }