diff options
Diffstat (limited to 'src/mongo/db/pipeline/document_path_support.h')
| -rw-r--r-- | src/mongo/db/pipeline/document_path_support.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mongo/db/pipeline/document_path_support.h b/src/mongo/db/pipeline/document_path_support.h index 5d9f0a1cb6b..b1c127af0e4 100644 --- a/src/mongo/db/pipeline/document_path_support.h +++ b/src/mongo/db/pipeline/document_path_support.h @@ -63,7 +63,14 @@ StatusWith<Value> extractElementAlongNonArrayPath(const Document& doc, const Fie /** * Extracts 'paths' from the input document and returns a BSON object containing only those paths. */ -BSONObj documentToBsonWithPaths(const Document&, const std::set<std::string>& paths); +void documentToBsonWithPaths(const Document&, const OrderedPathSet& paths, BSONObjBuilder* builder); + +template <typename BSONTraits = BSONObj::DefaultSizeTrait> +BSONObj documentToBsonWithPaths(const Document& input, const OrderedPathSet& paths) { + BSONObjBuilder outputBuilder; + documentToBsonWithPaths(input, paths, &outputBuilder); + return outputBuilder.obj<BSONTraits>(); +} /** * Extracts 'paths' from the input document to a flat document. |