From c5540ac7d3ceb7c6ce8ff5a3354d80f3eb09dbf1 Mon Sep 17 00:00:00 2001
From: Justin Seyster <justin.seyster@mongodb.com>
Date: Thu, 26 Sep 2019 01:27:30 +0000
Subject: SERVER-42649 Use Value instead of BSONObj in the in-memory sort key

---
 src/mongo/db/exec/projection.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/mongo/db/exec/projection.cpp')

diff --git a/src/mongo/db/exec/projection.cpp b/src/mongo/db/exec/projection.cpp
index 8faa479e9d9..57239c83759 100644
--- a/src/mongo/db/exec/projection.cpp
+++ b/src/mongo/db/exec/projection.cpp
@@ -55,7 +55,8 @@ BSONObj indexKey(const WorkingSetMember& member) {
 }
 
 BSONObj sortKey(const WorkingSetMember& member) {
-    return member.metadata().getSortKey();
+    return DocumentMetadataFields::serializeSortKey(member.metadata().isSingleElementKey(),
+                                                    member.metadata().getSortKey());
 }
 
 double geoDistance(const WorkingSetMember& member) {
-- 
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