SERVER-32308: Add the ability for a $lookup stage to execute on mongos against a sharded foreign collection

1 files changed, 1 insertions, 19 deletions

diff --git a/src/mongo/db/pipeline/document_source_lookup.h b/src/mongo/db/pipeline/document_source_lookup.h
index 530c62f985c..7424b2ef97d 100644
--- a/src/mongo/db/pipeline/document_source_lookup.h
+++ b/src/mongo/db/pipeline/document_source_lookup.h
@@ -96,25 +96,7 @@ public:
      */
     GetModPathsReturn getModifiedPaths() const final;
 
-    StageConstraints constraints(Pipeline::SplitState pipeState) const final {
-        const bool mayUseDisk = wasConstructedWithPipelineSyntax() &&
-            std::any_of(_parsedIntrospectionPipeline->getSources().begin(),
-                        _parsedIntrospectionPipeline->getSources().end(),
-                        [](const auto& source) {
-                            return source->constraints().diskRequirement ==
-                                DiskUseRequirement::kWritesTmpData;
-                        });
-
-        StageConstraints constraints(StreamType::kStreaming,
-                                     PositionRequirement::kNone,
-                                     HostTypeRequirement::kPrimaryShard,
-                                     mayUseDisk ? DiskUseRequirement::kWritesTmpData
-                                                : DiskUseRequirement::kNoDiskUse,
-                                     FacetRequirement::kAllowed);
-
-        constraints.canSwapWithMatch = true;
-        return constraints;
-    }
+    StageConstraints constraints(Pipeline::SplitState pipeState) const final;
 
     GetDepsReturn getDependencies(DepsTracker* deps) const final;