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author | Charlie Swanson <charlie.swanson@mongodb.com> | 2018-11-29 09:56:42 -0500 |
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committer | Charlie Swanson <charlie.swanson@mongodb.com> | 2019-02-13 07:30:10 -0500 |
commit | 87194fbe0c24525bc1f2d674012fe6978eca77d2 (patch) | |
tree | 0f13b14046152f0b475ae16d9a95b5e2ba0c4cbb /src/mongo/db/pipeline/document_source_sequential_document_cache.h | |
parent | 69f26fa3798b0d7927858aa704243cdac676c6e9 (diff) | |
download | mongo-87194fbe0c24525bc1f2d674012fe6978eca77d2.tar.gz |
SERVER-38311 Change out merging strategy
Allows an $out stage to run in parallel on all shards if the target
collection is sharded and so is the input collection to the aggregate.
Diffstat (limited to 'src/mongo/db/pipeline/document_source_sequential_document_cache.h')
-rw-r--r-- | src/mongo/db/pipeline/document_source_sequential_document_cache.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mongo/db/pipeline/document_source_sequential_document_cache.h b/src/mongo/db/pipeline/document_source_sequential_document_cache.h index be9422bfceb..ea460b2e4c1 100644 --- a/src/mongo/db/pipeline/document_source_sequential_document_cache.h +++ b/src/mongo/db/pipeline/document_source_sequential_document_cache.h @@ -64,6 +64,10 @@ public: return constraints; } + boost::optional<MergingLogic> mergingLogic() final { + return boost::none; + } + GetNextResult getNext() final; static boost::intrusive_ptr<DocumentSourceSequentialDocumentCache> create( |