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# Write op single results IDL

global:
    cpp_namespace: "mongo"

imports:
    - "mongo/idl/basic_types.idl"

structs:
    singleWriteResult:
        description: "A document used for storing session transaction states."
        fields:
            n:
                type: long
                description: "For insert: number of documents inserted.
                              For update: number of documents that matched the query predicate.
                              For delete: number of documents deleted."
            nModified:
                type: long
                description: "The number of documents modified by an update operation."
            upsertedId:
                type: object
                description: "The _id value of the object that was upserted."