DOKK / manpages / debian 10 / libmongoc-doc / mongoc_collection_set_read_prefs.3.en
MONGOC_COLLECTION_SET_READ_PREFS(3) MongoDB C Driver MONGOC_COLLECTION_SET_READ_PREFS(3)

mongoc_collection_set_read_prefs - mongoc_collection_set_read_prefs()

void
mongoc_collection_set_read_prefs (mongoc_collection_t *collection,


                                  const mongoc_read_prefs_t *read_prefs);


  • collection: A mongoc_collection_t.
  • read_prefs: A mongoc_read_prefs_t.

Sets the default read preferences to use for operations on collection not specifying a read preference.

The global default is MONGOC_READ_PRIMARY: if the client is connected to a replica set it reads from the primary, otherwise it reads from the current MongoDB server.

Please see the MongoDB website for a description of Read Preferences.

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February 23, 2019 1.14.0