cherrypick/packages/backend/migration/1629288472000-fix-channel-userId.js

export class fixChannelUserId1629288472000 {
    constructor() {
        this.name = 'fixChannelUserId1629288472000';
    }
    async up(queryRunner) {
        await queryRunner.query(`ALTER TABLE "channel" ALTER COLUMN "userId" DROP NOT NULL;`);
    }
    async down(queryRunner) {
        await queryRunner.query(`ALTER TABLE "channel" ALTER COLUMN "userId" SET NOT NULL;`);
    }
}