feat(core): add the offset into FindOneOptions (#3574)

Co-authored-by: Martin Adámek <banan23@gmail.com>

packages/core/src/drivers/IDatabaseDriver.ts

@@ -118,7 +118,7 @@ export interface FindOptions<T, P extends string = never> {
   connectionType?: ConnectionType;
 }
 
-export interface FindOneOptions<T extends object, P extends string = never> extends Omit<FindOptions<T, P>, 'limit' | 'offset' | 'lockMode'> {
+export interface FindOneOptions<T extends object, P extends string = never> extends Omit<FindOptions<T, P>, 'limit' | 'lockMode'> {
   lockMode?: LockMode;
   lockVersion?: number | Date;
 }

tests/issues/GH3292.test.ts

@@ -0,0 +1,33 @@
+import type { MikroORM } from '@mikro-orm/core';
+import { initORMPostgreSql } from '../bootstrap';
+import { Author2, Book2 } from '../entities-sql';
+
+let orm: MikroORM;
+
+beforeAll(async () => orm = await initORMPostgreSql());
+beforeEach(async () => orm.schema.clearDatabase());
+afterAll(() => orm.close(true));
+
+test('test findOne without a offset', async () => {
+  const author = new Author2('Bartleby', 'bartelby@writer.org');
+  const book = new Book2('My Life on The Wall, part 1', author);
+  new Book2('My Life on The Wall, part 2', author);
+
+  await orm.em.fork().persistAndFlush(author);
+
+  const myBook = await orm.em.findOne(Book2, {});
+
+  expect(myBook?.title).toEqual(book.title);
+});
+
+test('test findOne but with a offset', async () => {
+  const author = new Author2('Bartleby', 'bartelby@writer.org');
+  new Book2('My Life on The Wall, part 1', author);
+  const book2 = new Book2('My Life on The Wall, part 2', author);
+
+  await orm.em.fork().persistAndFlush(author);
+
+  const myBook = await orm.em.findOne(Book2, {}, { offset: 1 });
+
+  expect(myBook?.title).toEqual(book2.title);
+});