From c9bbdf244c1db8499d9723bc9a6c5e9e319b614d Mon Sep 17 00:00:00 2001
From: Sven Klemm <sven@timescale.com>
Date: Mon, 13 Aug 2018 11:23:49 +0200
Subject: [PATCH] get timecolumn datatype on timecolumn change

---
 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 a196859b802..578c8875b1d 100644
--- a/public/app/plugins/datasource/postgres/query_ctrl.ts
+++ b/public/app/plugins/datasource/postgres/query_ctrl.ts
@@ -190,6 +190,11 @@ export class PostgresQueryCtrl extends QueryCtrl {
 
   timeColumnChanged() {
     this.target.timeColumn = this.timeColumnSegment.value;
+    this.datasource.metricFindQuery(this.metaBuilder.buildDatatypeQuery(this.target.timeColumn)).then(result => {
+      if (result.length === 1) {
+        this.target.timeColumnType = result[0];
+      }
+    });
     this.panelCtrl.refresh();
   }