From 6d5925708eb4f4a296ebc56077a1fa6dc08cc802 Mon Sep 17 00:00:00 2001
From: Ingo Schommer <ingo@silverstripe.com>
Date: Wed, 3 Apr 2013 12:22:12 +0200
Subject: [PATCH] FIX Empty fields on SQLQuery->aggregate() with alias

Breaks Postgres otherwise, because it produces a
"SELECT *, <field> ... " statement without putting all
fields into the GROUP BY.
---
 model/SQLQuery.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/model/SQLQuery.php b/model/SQLQuery.php
index e23e191c17c..ec84d0e7c5a 100644
--- a/model/SQLQuery.php
+++ b/model/SQLQuery.php
@@ -1071,6 +1071,7 @@ public function aggregate($column, $alias = null) {
 		$clone->setOrderBy($this->orderby);
 		$clone->setGroupBy($this->groupby);
 		if($alias) {
+			$clone->setSelect(array());
 			$clone->selectField($column, $alias);
 		} else {
 			$clone->setSelect($column);