From 51792da430fef83218f74ae2d24e78846f1e5204 Mon Sep 17 00:00:00 2001
From: Baris Usakli <barisusakli@gmail.com>
Date: Fri, 26 Oct 2018 15:15:20 -0400
Subject: [PATCH] dont crash if there is nothing to write

---
 src/database/redis/hash.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/database/redis/hash.js b/src/database/redis/hash.js
index 3055143375..482012fe13 100644
--- a/src/database/redis/hash.js
+++ b/src/database/redis/hash.js
@@ -19,6 +19,9 @@ module.exports = function (redisClient, module) {
 			}
 		});
 
+		if (!Object.keys(data).length) {
+			return callback();
+		}
 		redisClient.hmset(key, data, function (err) {
 			callback(err);
 		});