From f7a8524dcecb69617d5ec7f56ce6608012c4531e Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@netways.de>
Date: Fri, 11 Nov 2016 09:19:59 +0100
Subject: [PATCH] DbUserGroupBackend: Group by group.id when joining group
 memberships

Prevents duplicate results in case a group has multiple members.
---
 library/Icinga/Authentication/UserGroup/DbUserGroupBackend.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/Icinga/Authentication/UserGroup/DbUserGroupBackend.php b/library/Icinga/Authentication/UserGroup/DbUserGroupBackend.php
index e30968f98..a1911d916 100644
--- a/library/Icinga/Authentication/UserGroup/DbUserGroupBackend.php
+++ b/library/Icinga/Authentication/UserGroup/DbUserGroupBackend.php
@@ -254,7 +254,7 @@ class DbUserGroupBackend extends DbRepository implements UserGroupBackendInterfa
             $this->requireTable('group_membership'),
             'g.id = gm.group_id',
             array()
-        );
+        )->group('g.id');
     }
 
     /**