From b44227948d6a283e2f2579111f40d3f7460da31a Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Mon, 21 Jan 2019 21:45:11 +0900
Subject: [PATCH] Add unique index

#3946
---
 src/models/poll-vote.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/models/poll-vote.ts b/src/models/poll-vote.ts
index 4390e000c..b8aceae3b 100644
--- a/src/models/poll-vote.ts
+++ b/src/models/poll-vote.ts
@@ -4,6 +4,7 @@ import db from '../db/mongodb';
 const PollVote = db.get<IPollVote>('pollVotes');
 PollVote.createIndex('userId');
 PollVote.createIndex('noteId');
+PollVote.createIndex(['userId', 'noteId'], { unique: true });
 export default PollVote;
 
 export interface IPollVote {