From 5b5dcabd22f03bacfb555cdf297bc245c67d416c Mon Sep 17 00:00:00 2001
From: Sven Klemm <pentabarf@gmail.com>
Date: Sat, 7 Jul 2018 21:21:11 +0200
Subject: [PATCH] add None to metric column suggestions

---
 public/app/plugins/datasource/postgres/query_ctrl.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/public/app/plugins/datasource/postgres/query_ctrl.ts b/public/app/plugins/datasource/postgres/query_ctrl.ts
index 8f032cc0917..b44692ed673 100644
--- a/public/app/plugins/datasource/postgres/query_ctrl.ts
+++ b/public/app/plugins/datasource/postgres/query_ctrl.ts
@@ -111,7 +111,7 @@ export class PostgresQueryCtrl extends QueryCtrl {
   getMetricColumnSegments() {
     return this.datasource
       .metricFindQuery(this.queryBuilder.buildColumnQuery('metric'))
-      .then(this.transformToSegments({}))
+      .then(this.transformToSegments({ addNone: true }))
       .catch(this.handleQueryError.bind(this));
   }
 
@@ -182,6 +182,10 @@ export class PostgresQueryCtrl extends QueryCtrl {
         }
       }
 
+      if (config.addNone) {
+        segments.unshift(this.uiSegmentSrv.newSegment({ type: 'template', value: 'None', expandable: true }));
+      }
+
       return segments;
     };
   }