import { MigrationInterface, QueryRunner } from 'typeorm'; export class UniqueOwner1629965867114 implements MigrationInterface { name = 'UniqueOwner1629965867114'; public async up(queryRunner: QueryRunner): Promise { await queryRunner.query( `ALTER TABLE "irec_registration" ADD CONSTRAINT "UQ_irec_registration_owner" UNIQUE ("owner")` ); } public async down(queryRunner: QueryRunner): Promise { await queryRunner.query( `ALTER TABLE "irec_registration" DROP CONSTRAINT "UQ_irec_registration_owner"` ); } }