SERVER-38311 Adjust $out merging strategy

1 files changed, 2 insertions, 3 deletions

diff --git a/src/mongo/db/pipeline/document_source_sample.h b/src/mongo/db/pipeline/document_source_sample.h
index 11aa6fea8d0..eec90e7c24f 100644
--- a/src/mongo/db/pipeline/document_source_sample.h
+++ b/src/mongo/db/pipeline/document_source_sample.h
@@ -35,7 +35,7 @@
 
 namespace mongo {
 
-class DocumentSourceSample final : public DocumentSource, public NeedsMergerDocumentSource {
+class DocumentSourceSample final : public DocumentSource {
 public:
     static constexpr StringData kStageName = "$sample"_sd;
 
@@ -58,8 +58,7 @@ public:
         return DepsTracker::State::SEE_NEXT;
     }
 
-    boost::intrusive_ptr<DocumentSource> getShardSource() final;
-    MergingLogic mergingLogic() final;
+    boost::optional<MergingLogic> mergingLogic() final;
 
     long long getSampleSize() const {
         return _size;