exports.up = async function(knex, Promise) { await knex.schema.table('mutes', table => { table.integer('case_id').unsigned().nullable().defaultTo(null).after('user_id').references('id').inTable('cases').onDelete('SET NULL'); }); }; exports.down = async function(knex, Promise) { await knex.schema.table('mutes', table => { table.dropForeign('case_id'); table.dropColumn('case_id'); }); };