diff options
Diffstat (limited to 'src/mongo/db/pipeline/document_source_single_document_transformation.h')
| -rw-r--r-- | src/mongo/db/pipeline/document_source_single_document_transformation.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mongo/db/pipeline/document_source_single_document_transformation.h b/src/mongo/db/pipeline/document_source_single_document_transformation.h index 108a13aa161..ee2141a2c8d 100644 --- a/src/mongo/db/pipeline/document_source_single_document_transformation.h +++ b/src/mongo/db/pipeline/document_source_single_document_transformation.h @@ -62,11 +62,17 @@ public: virtual Document applyTransformation(const Document& input) = 0; virtual TransformerType getType() const = 0; virtual void optimize() = 0; - virtual Document serialize(boost::optional<ExplainOptions::Verbosity> explain) const = 0; virtual DocumentSource::GetDepsReturn addDependencies(DepsTracker* deps) const = 0; virtual GetModPathsReturn getModifiedPaths() const = 0; /** + * Returns the document describing this stage, not including the stage name. For example, + * should return just {_id: 0, x: 1} for the stage parsed from {$project: {_id: 0, x: 1}}. + */ + virtual Document serializeStageOptions( + boost::optional<ExplainOptions::Verbosity> explain) const = 0; + + /** * Returns true if this transformer is an inclusion projection and is a subset of * 'proj', which must be a valid projection specification. For example, if this * TransformerInterface represents the inclusion projection |