diff options
Diffstat (limited to 'src/mongo/db/pipeline/document_source.h')
| -rw-r--r-- | src/mongo/db/pipeline/document_source.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/mongo/db/pipeline/document_source.h b/src/mongo/db/pipeline/document_source.h index d163c88761e..5117fd9c050 100644 --- a/src/mongo/db/pipeline/document_source.h +++ b/src/mongo/db/pipeline/document_source.h @@ -267,9 +267,15 @@ public: boost::intrusive_ptr<DocumentSource> mergingStage = nullptr; // If set, each document is expected to have sort key metadata which will be serialized in - // the '$sortKey' field. 'inputSortPattern' will then be used to describe which fields are + // the '$sortKey' field. 'mergeSortPattern' will then be used to describe which fields are // ascending and which fields are descending when merging the streams together. - boost::optional<BSONObj> inputSortPattern = boost::none; + boost::optional<BSONObj> mergeSortPattern = boost::none; + + // If mergeSortPattern is specified and needsSplit is false, the split point will be + // deferred to the next stage that would split the pipeline. The sortPattern will be taken + // into account at that split point. Should be true if a stage specifies 'shardsStage' or + // 'mergingStage'. Does not mean anything if the sort pattern is not set. + bool needsSplit = true; }; virtual ~DocumentSource() {} |