Provided by: libmongoc-doc_1.9.2+dfsg-1build1_all 

NAME
mongoc_client_set_read_prefs - mongoc_client_set_read_prefs()
SYNOPSIS
void
mongoc_client_set_read_prefs (mongoc_client_t *client,
const mongoc_read_prefs_t *read_prefs);
Sets the default read preferences to use with future operations upon client.
The global default is to read from the replica set primary.
It is a programming error to call this function on a client from a mongoc_client_pool_t. For pooled
clients, set the read preferences with the MongoDB URI instead.
Please see the MongoDB website for a description of Read Preferences.
PARAMETERS
• client: A mongoc_client_t.
• read_prefs: A mongoc_read_prefs_t.
AUTHOR
MongoDB, Inc
COPYRIGHT
2018, MongoDB, Inc
1.9.3-dev Feb 05, 2018 MONGOC_CLIENT_SET_READ_PREFS(3)