From 93badabcb1e63f93fda0aa7793140b6689efc148 Mon Sep 17 00:00:00 2001
From: Bjarke Berg <mail@bergmania.dk>
Date: Thu, 31 Mar 2022 11:52:02 +0200
Subject: [PATCH] Added extra  (unnessasary) WHERE-clause to help sql server
 generate a smarter query plan (#12198)

---
 .../Repositories/Implement/TrackedReferencesRepository.cs      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Umbraco.Infrastructure/Persistence/Repositories/Implement/TrackedReferencesRepository.cs b/src/Umbraco.Infrastructure/Persistence/Repositories/Implement/TrackedReferencesRepository.cs
index 0e70d47cbf..478018ed96 100644
--- a/src/Umbraco.Infrastructure/Persistence/Repositories/Implement/TrackedReferencesRepository.cs
+++ b/src/Umbraco.Infrastructure/Persistence/Repositories/Implement/TrackedReferencesRepository.cs
@@ -159,7 +159,8 @@ namespace Umbraco.Cms.Infrastructure.Persistence.Repositories.Implement
                 .LeftJoin<ContentDto>("c").On<NodeDto, ContentDto>((left, right) => left.NodeId == right.NodeId, aliasLeft: "cn", aliasRight: "c")
                 .LeftJoin<ContentTypeDto>("ct").On<ContentDto, ContentTypeDto>((left, right) => left.ContentTypeId == right.NodeId, aliasLeft: "c", aliasRight: "ct")
                 .LeftJoin<NodeDto>("ctn").On<ContentTypeDto, NodeDto>((left, right) => left.NodeId == right.NodeId, aliasLeft: "ct", aliasRight: "ctn")
-                .Where<NodeDto>(x => x.NodeId == id, "pn");
+                .Where<NodeDto>(x => x.NodeId == id, "pn")
+                .Where<RelationDto>(x => x.ChildId == id || x.ParentId == id, "r"); // This last Where is purely to help SqlServer make a smarter query plan. More info https://github.com/umbraco/Umbraco-CMS/issues/12190
 
             if (filterMustBeIsDependency)
             {