int64_t

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025           MONGOC_BULKWRITERESULT_UPSERTEDCOUNT(3)

       Returns the total number of documents upserted across all update operations.

          int64_t
          mongoc_bulkwriteresult_upsertedcount (const mongoc_bulkwriteresult_t *self);