From 6f38883583c4c43af149f68db482b39a3240ec95 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torkel=20=C3=96degaard?= <torkel@grafana.org>
Date: Wed, 30 Jun 2021 10:36:05 +0200
Subject: [PATCH] Graph: Workaround for DashboardQueryRunner race condition
 (#36254)

* Graph: Workaround for DashboardQueryRunner race condition

* Removed deepClone
---
 public/app/features/panel/metrics_panel_ctrl.ts | 8 ++++----
 public/app/plugins/panel/graph/module.ts        | 4 ----
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/public/app/features/panel/metrics_panel_ctrl.ts b/public/app/features/panel/metrics_panel_ctrl.ts
index 22c0471ea2e..80bf76b7bca 100644
--- a/public/app/features/panel/metrics_panel_ctrl.ts
+++ b/public/app/features/panel/metrics_panel_ctrl.ts
@@ -20,11 +20,12 @@ import { PanelQueryRunner } from '../query/state/PanelQueryRunner';
 
 class MetricsPanelCtrl extends PanelCtrl {
   declare datasource: DataSourceApi;
+  declare range: TimeRange;
+
   contextSrv: ContextSrv;
   datasourceSrv: any;
   timeSrv: any;
   templateSrv: any;
-  declare range: TimeRange;
   interval: any;
   intervalMs: any;
   resolution: any;
@@ -98,7 +99,6 @@ class MetricsPanelCtrl extends PanelCtrl {
     // load datasource service
     return this.datasourceSrv
       .get(this.panel.datasource, this.panel.scopedVars)
-      .then(this.updateTimeRange.bind(this))
       .then(this.issueQueries.bind(this))
       .catch((err: any) => {
         this.processDataError(err);
@@ -178,11 +178,11 @@ class MetricsPanelCtrl extends PanelCtrl {
     const newTimeData = applyPanelTimeOverrides(this.panel, this.range);
     this.timeInfo = newTimeData.timeInfo;
     this.range = newTimeData.timeRange;
-
-    return this.datasource;
   }
 
   issueQueries(datasource: DataSourceApi) {
+    this.updateTimeRange(datasource);
+
     this.datasource = datasource;
 
     const panel = this.panel as PanelModel;
diff --git a/public/app/plugins/panel/graph/module.ts b/public/app/plugins/panel/graph/module.ts
index d64e395531d..09eb61c6811 100644
--- a/public/app/plugins/panel/graph/module.ts
+++ b/public/app/plugins/panel/graph/module.ts
@@ -184,10 +184,6 @@ export class GraphCtrl extends MetricsPanelCtrl {
     actions.push({ text: 'Toggle legend', click: 'ctrl.toggleLegend()', shortcut: 'p l' });
   }
 
-  issueQueries(datasource: any) {
-    return super.issueQueries(datasource);
-  }
-
   zoomOut(evt: any) {
     appEvents.publish(new ZoomOutEvent(2));
   }