From 048bcf19f662de737dcd4041870248f7a78afbb1 Mon Sep 17 00:00:00 2001
From: stuart nelson <stuartnelson3@gmail.com>
Date: Thu, 9 Jun 2016 15:17:17 +0200
Subject: [PATCH] Use panel+ref for unique id

Previously, if a user changed the query between
requests, the previous query would not be
canceled. This handles that edge-case.
---
 public/app/features/panel/metrics_panel_ctrl.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/app/features/panel/metrics_panel_ctrl.ts b/public/app/features/panel/metrics_panel_ctrl.ts
index 2a72ef4b24e..4d0fddf58ec 100644
--- a/public/app/features/panel/metrics_panel_ctrl.ts
+++ b/public/app/features/panel/metrics_panel_ctrl.ts
@@ -183,7 +183,7 @@ class MetricsPanelCtrl extends PanelCtrl {
     };
 
     metricsQuery.targets.forEach(function(target) {
-      target.exprID = target.expr + target.refId + metricsQuery.panelId;
+      target.exprID = target.refId + metricsQuery.panelId;
     });
 
     return datasource.query(metricsQuery);