From 88cd713d3a12ae217a7d267ec5a4ac6f519c18bb Mon Sep 17 00:00:00 2001
From: Sven Klemm <sven@timescale.com>
Date: Thu, 30 Aug 2018 15:45:05 +0200
Subject: [PATCH] reset metric column when changing table

---
 public/app/plugins/datasource/postgres/query_ctrl.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/public/app/plugins/datasource/postgres/query_ctrl.ts b/public/app/plugins/datasource/postgres/query_ctrl.ts
index cf6efb98351..6102b0cd562 100644
--- a/public/app/plugins/datasource/postgres/query_ctrl.ts
+++ b/public/app/plugins/datasource/postgres/query_ctrl.ts
@@ -205,6 +205,11 @@ export class PostgresQueryCtrl extends QueryCtrl {
     this.target.group = [];
     this.updateProjection();
 
+    let segment = this.uiSegmentSrv.newSegment('none');
+    this.metricColumnSegment.html = segment.html;
+    this.metricColumnSegment.value = segment.value;
+    this.target.metricColumn = 'none';
+
     let task1 = this.datasource.metricFindQuery(this.metaBuilder.buildColumnQuery('time')).then(result => {
       // check if time column is still valid
       if (result.length > 0 && !_.find(result, (r: any) => r.text === this.target.timeColumn)) {