From d26d7162a5dfe0dc4d6808dea031f75918a3e56e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torkel=20=C3=96degaard?= <torkel.odegaard@gmail.com>
Date: Wed, 16 Mar 2016 13:10:48 +0100
Subject: [PATCH] fix(opentsdb): fixed templating issue for single value
 variables, fixes #4312

---
 public/app/features/templating/templateSrv.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/public/app/features/templating/templateSrv.js b/public/app/features/templating/templateSrv.js
index ece69302196..0aa0990896c 100644
--- a/public/app/features/templating/templateSrv.js
+++ b/public/app/features/templating/templateSrv.js
@@ -69,6 +69,9 @@ function (angular, _) {
           return '(' + quotedValues.join(' OR ') + ')';
         }
         case "pipe": {
+          if (typeof value === 'string') {
+            return value;
+          }
           return value.join('|');
         }
         default:  {