update : invoice entity

database/migrations/1770032438762-removeNotNullFromInvoicePurpose.ts

@@ -0,0 +1,14 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class RemoveNotNullFromInvoicePurpose1770032438762 implements MigrationInterface {
+    name = 'RemoveNotNullFromInvoicePurpose1770032438762'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "invoice" ALTER COLUMN "purpose" DROP NOT NULL`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "invoice" ALTER COLUMN "purpose" SET NOT NULL`);
+    }
+
+}