From 215ca50cc1ec94da9a97609819441b84139e3a08 Mon Sep 17 00:00:00 2001
From: Sven Klemm <sven@timescale.com>
Date: Fri, 19 Oct 2018 10:19:33 +0200
Subject: [PATCH] make interpolateVariable arrow function

---
 public/app/plugins/datasource/mysql/datasource.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/public/app/plugins/datasource/mysql/datasource.ts b/public/app/plugins/datasource/mysql/datasource.ts
index 4b4c3c3a526..f0381d53b70 100644
--- a/public/app/plugins/datasource/mysql/datasource.ts
+++ b/public/app/plugins/datasource/mysql/datasource.ts
@@ -18,7 +18,7 @@ export class MysqlDatasource {
     this.interval = (instanceSettings.jsonData || {}).timeInterval;
   }
 
-  interpolateVariable(value, variable) {
+  interpolateVariable = (value, variable) => {
     if (typeof value === 'string') {
       if (variable.multi || variable.includeAll) {
         return this.queryModel.quoteLiteral(value);
@@ -35,7 +35,7 @@ export class MysqlDatasource {
       return this.queryModel.quoteLiteral(v);
     });
     return quotedValues.join(',');
-  }
+  };
 
   query(options) {
     const queries = _.filter(options.targets, target => {