diff options
Diffstat (limited to 'src/mongo/db/pipeline/document_source_merge_cursors.h')
| -rw-r--r-- | src/mongo/db/pipeline/document_source_merge_cursors.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/mongo/db/pipeline/document_source_merge_cursors.h b/src/mongo/db/pipeline/document_source_merge_cursors.h index ebe0a861ad6..045ddad4836 100644 --- a/src/mongo/db/pipeline/document_source_merge_cursors.h +++ b/src/mongo/db/pipeline/document_source_merge_cursors.h @@ -52,8 +52,13 @@ public: GetNextResult getNext() final; const char* getSourceName() const final; Value serialize(boost::optional<ExplainOptions::Verbosity> explain = boost::none) const final; - InitialSourceType getInitialSourceType() const final { - return InitialSourceType::kInitialSource; + + StageConstraints constraints() const final { + StageConstraints constraints; + constraints.requiredPosition = StageConstraints::PositionRequirement::kFirst; + constraints.requiresInputDocSource = false; + constraints.isAllowedInsideFacetStage = false; + return constraints; } static boost::intrusive_ptr<DocumentSource> createFromBson( |