immich/server/src/infra/migrations/1684328185099-RequireChecksumNotNull.ts

import { MigrationInterface, QueryRunner } from 'typeorm';

export class RequireChecksumNotNull1684328185099 implements MigrationInterface {
  name = 'removeNotNullFromChecksumIndex1684328185099';

  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(`DROP INDEX "public"."IDX_64c507300988dd1764f9a6530c"`);
    await queryRunner.query(`ALTER TABLE "assets" ALTER COLUMN "checksum" SET NOT NULL`);
    await queryRunner.query(`CREATE INDEX "IDX_8d3efe36c0755849395e6ea866" ON "assets" ("checksum") `);
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(`DROP INDEX "public"."IDX_8d3efe36c0755849395e6ea866"`);
    await queryRunner.query(`ALTER TABLE "assets" ALTER COLUMN "checksum" DROP NOT NULL`);
    await queryRunner.query(
      `CREATE INDEX "IDX_64c507300988dd1764f9a6530c" ON "assets" ("checksum") WHERE ('checksum' IS NOT NULL)`,
    );
  }
}