mongoc_bulkwriteopts_set_extra3
Usage
void mongoc_bulkwriteopts_set_extra (mongoc_bulkwriteopts_t *self, const bson_t *extra);
Overview
Appends all fields in extra to the outgoing bulkWrite command. Intended to support future server options. Prefer other mongoc_bulkwriteopts_set_* helpers to avoid unexpected option conflicts.