From e8e24f6139f6f5589217ddf05c4369932df7a51f Mon Sep 17 00:00:00 2001
From: Sven Klemm <pentabarf@gmail.com>
Date: Tue, 10 Jul 2018 11:32:23 +0200
Subject: [PATCH] add alias when adding group by

---
 public/app/plugins/datasource/postgres/postgres_query.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/public/app/plugins/datasource/postgres/postgres_query.ts b/public/app/plugins/datasource/postgres/postgres_query.ts
index 2c01417ad12..55ef242d1e2 100644
--- a/public/app/plugins/datasource/postgres/postgres_query.ts
+++ b/public/app/plugins/datasource/postgres/postgres_query.ts
@@ -101,6 +101,9 @@ export default class PostgresQuery {
       var selectParts = this.target.select[i];
       if (!selectParts.some(part => part.type === 'aggregate')) {
         selectParts.splice(1, 0, { type: 'aggregate', params: ['avg'] });
+        if (!selectParts.some(part => part.type === 'alias')) {
+          selectParts.push({ type: 'alias', params: [selectParts[0].params[0]] });
+        }
       }
     }