import { BaseSchema } from '@adonisjs/lucid/schema'; export default class extends BaseSchema { protected tableName = 'collections'; async up() { this.schema.alterTable('collections', (table) => { table.dropColumn('next_id'); }); } async down() { this.schema.alterTable('collections', (table) => { table .integer('next_id') .references('id') .inTable('collections') .defaultTo(null); }); } }