From 76b517b361235e9478eb84d994be74e0761b5a49 Mon Sep 17 00:00:00 2001
From: William Wei <william.wei@demonware.net>
Date: Fri, 17 Apr 2015 15:51:26 +0800
Subject: [PATCH] allow graphite metrics name contain '~'

when a metrics name contains '~', id does not impact graph display.
but you can not use grafana UI to edit metrics with realtime
graphite query.
---
 public/app/plugins/datasource/graphite/lexer.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/public/app/plugins/datasource/graphite/lexer.js b/public/app/plugins/datasource/graphite/lexer.js
index 7306737d96e..ffb65121a60 100644
--- a/public/app/plugins/datasource/graphite/lexer.js
+++ b/public/app/plugins/datasource/graphite/lexer.js
@@ -119,6 +119,7 @@ define([
     identifierStartTable[i] =
       i >= 48 && i <= 57 || // 0-9
       i === 36 ||           // $
+      i === 126 ||          // ~
       i >= 65 && i <= 90 || // A-Z
       i === 95 ||           // _
       i === 45 ||           // -