From 87ded2bd1c2c96bcd5719f244998100a65f65feb Mon Sep 17 00:00:00 2001
From: tamaina <tamaina@hotmail.co.jp>
Date: Fri, 1 Mar 2024 05:04:02 +0000
Subject: [PATCH] ManyToOne

---
 .../1709269211718-APMultipleKeysFix1.js          | 16 ++++++++++++++++
 packages/backend/src/models/UserKeypair.ts       |  4 ++--
 2 files changed, 18 insertions(+), 2 deletions(-)
 create mode 100644 packages/backend/migration/1709269211718-APMultipleKeysFix1.js

diff --git a/packages/backend/migration/1709269211718-APMultipleKeysFix1.js b/packages/backend/migration/1709269211718-APMultipleKeysFix1.js
new file mode 100644
index 0000000000..d2011802f2
--- /dev/null
+++ b/packages/backend/migration/1709269211718-APMultipleKeysFix1.js
@@ -0,0 +1,16 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+export class APMultipleKeys1709269211718 {
+    name = 'APMultipleKeys1709269211718'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "UQ_10c146e4b39b443ede016f6736d"`);
+    }
+
+    async down(queryRunner) {
+			await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "UQ_10c146e4b39b443ede016f6736d" UNIQUE ("userId")`);
+    }
+}
diff --git a/packages/backend/src/models/UserKeypair.ts b/packages/backend/src/models/UserKeypair.ts
index 59b37bb9e9..afa74ef11a 100644
--- a/packages/backend/src/models/UserKeypair.ts
+++ b/packages/backend/src/models/UserKeypair.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { PrimaryColumn, Entity, JoinColumn, Column, OneToOne } from 'typeorm';
+import { PrimaryColumn, Entity, JoinColumn, Column, ManyToOne } from 'typeorm';
 import { id } from './util/id.js';
 import { MiUser } from './User.js';
 
@@ -12,7 +12,7 @@ export class MiUserKeypair {
 	@PrimaryColumn(id())
 	public userId: MiUser['id'];
 
-	@OneToOne(type => MiUser, {
+	@ManyToOne(type => MiUser, {
 		onDelete: 'CASCADE',
 	})
 	@JoinColumn()