typeorm_migration_class_with_up_down_schema_methods.ts

1import { MigrationInterface, QueryRunner } from "typeorm";
2
3export class PostRefactoring1601234567890 implements MigrationInterface {
4    async up(queryRunner: QueryRunner): Promise<void> {
5        await queryRunner.query(
6            `ALTER TABLE "post" RENAME COLUMN "title" TO "name"`,
7        )
8    }
9
10    async down(queryRunner: QueryRunner): Promise<void> {
11        await queryRunner.query(
12            `ALTER TABLE "post" RENAME COLUMN "name" TO "title"`,
13        ) // reverts things made in "up" method
14    }
15}