From 4540cf05ad6dcd4ddd083e56e26073769ceba91d Mon Sep 17 00:00:00 2001
From: Taloth Saldono <Taloth@users.noreply.github.com>
Date: Mon, 11 Aug 2014 22:30:37 +0200
Subject: [PATCH] Fixed: Solved database performance bug causing slow rss
 syncs.

---
 .../Datastore/Extensions/RelationshipExtensions.cs        | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Core/Datastore/Extensions/RelationshipExtensions.cs b/src/NzbDrone.Core/Datastore/Extensions/RelationshipExtensions.cs
index 90be4a920..7c5669c99 100644
--- a/src/NzbDrone.Core/Datastore/Extensions/RelationshipExtensions.cs
+++ b/src/NzbDrone.Core/Datastore/Extensions/RelationshipExtensions.cs
@@ -14,8 +14,12 @@ namespace NzbDrone.Core.Datastore.Extensions
         {
             return relationshipBuilder.For(portalExpression.GetMemberName())
                                 .LazyLoad(
-                                            query: (db, parent) => db.Query<TChild>().SingleOrDefault(c => c.Id == childIdSelector(parent)),
-                                            condition: parent => childIdSelector(parent) > 0
+                                            condition: parent => childIdSelector(parent) > 0,
+                                            query: (db, parent) => 
+                                            { 
+                                                var id = childIdSelector(parent);
+                                                return db.Query<TChild>().Where(c => c.Id == id).SingleOrDefault();
+                                            }
                                          );
         }