From ed1e2b4d2a4987e3744484f9482fdc7a0e119e94 Mon Sep 17 00:00:00 2001
From: David Storch <david.storch@10gen.com>
Date: Wed, 28 Feb 2018 18:08:21 -0500
Subject: SERVER-33541 Add readConcern level 'snapshot' support for
 aggregation.

---
 src/mongo/db/pipeline/document_source_graph_lookup.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/mongo/db/pipeline/document_source_graph_lookup.h')

diff --git a/src/mongo/db/pipeline/document_source_graph_lookup.h b/src/mongo/db/pipeline/document_source_graph_lookup.h
index 9b5882e3f52..527c71a21c2 100644
--- a/src/mongo/db/pipeline/document_source_graph_lookup.h
+++ b/src/mongo/db/pipeline/document_source_graph_lookup.h
@@ -58,7 +58,8 @@ public:
                                      PositionRequirement::kNone,
                                      HostTypeRequirement::kPrimaryShard,
                                      DiskUseRequirement::kNoDiskUse,
-                                     FacetRequirement::kAllowed);
+                                     FacetRequirement::kAllowed,
+                                     TransactionRequirement::kAllowed);
 
         constraints.canSwapWithMatch = true;
         return constraints;
-- 
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