From 0c3afd0e9c098c83f04f44f048f72468496aec5c Mon Sep 17 00:00:00 2001
From: Sven Klemm <sven.klemm@sql-ag.de>
Date: Wed, 14 Mar 2018 22:59:48 +0100
Subject: [PATCH] add buildAggregateQuery

---
 public/app/plugins/datasource/postgres/query_builder.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/public/app/plugins/datasource/postgres/query_builder.ts b/public/app/plugins/datasource/postgres/query_builder.ts
index 23691830b17..275d15492fe 100644
--- a/public/app/plugins/datasource/postgres/query_builder.ts
+++ b/public/app/plugins/datasource/postgres/query_builder.ts
@@ -55,4 +55,12 @@ export class PostgresQueryBuilder {
     return query;
   }
 
+  buildAggregateQuery() {
+    var query = "SELECT DISTINCT proname FROM pg_aggregate ";
+    query += "INNER JOIN pg_proc ON pg_aggregate.aggfnoid = pg_proc.oid ";
+    query += "INNER JOIN pg_type ON pg_type.oid=pg_proc.prorettype ";
+    query += "WHERE pronargs=1 AND typname IN ('int8','float8') AND aggkind='n' ORDER BY 1";
+    return query;
+  }
+
 }