From b9a6e551cdbc6f0583f26e5be4579883376a2794 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sun, 19 May 2019 20:50:08 +0900
Subject: [PATCH] Add unique index

---
 migration/1558266512381-UserListJoining.ts | 13 +++++++++++++
 src/models/entities/user-list-joining.ts   |  1 +
 2 files changed, 14 insertions(+)
 create mode 100644 migration/1558266512381-UserListJoining.ts

diff --git a/migration/1558266512381-UserListJoining.ts b/migration/1558266512381-UserListJoining.ts
new file mode 100644
index 0000000000..f4a917045d
--- /dev/null
+++ b/migration/1558266512381-UserListJoining.ts
@@ -0,0 +1,13 @@
+import {MigrationInterface, QueryRunner} from "typeorm";
+
+export class UserListJoining1558266512381 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<any> {
+        await queryRunner.query(`CREATE UNIQUE INDEX "IDX_90f7da835e4c10aca6853621e1" ON "user_list_joining" ("userId", "userListId") `);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<any> {
+        await queryRunner.query(`DROP INDEX "IDX_90f7da835e4c10aca6853621e1"`);
+    }
+
+}
diff --git a/src/models/entities/user-list-joining.ts b/src/models/entities/user-list-joining.ts
index 8af4efb6a7..bb7dc40b95 100644
--- a/src/models/entities/user-list-joining.ts
+++ b/src/models/entities/user-list-joining.ts
@@ -4,6 +4,7 @@ import { UserList } from './user-list';
 import { id } from '../id';
 
 @Entity()
+@Index(['userId', 'userListId'], { unique: true })
 export class UserListJoining {
 	@PrimaryColumn(id())
 	public id: string;