mongoc_client_get_default_database man page

mongoc_client_get_default_database — mongoc_client_get_default_database()

Synopsis

mongoc_database_t *
mongoc_client_get_default_database (mongoc_client_t *client);

Get the database named in the MongoDB connection URI, or NULL if the URI specifies none.

Useful when you want to choose which database to use based only on the URI in a configuration file.

Parameters

  • client: A mongoc_client_t.

Returns

A newly allocated mongoc_database_t that should be freed with mongoc_database_destroy().

Example

Default Database Example.INDENT 0.0

/* default database is "db_name" */
mongoc_client_t *client = mongoc_client_new ("mongodb://host/db_name");
mongoc_database_t *db = mongoc_client_get_default_database (client);

assert (!strcmp ("db_name", mongoc_database_get_name (db)));

mongoc_database_destroy (db);
mongoc_client_destroy (client);

/* no default database */
client = mongoc_client_new ("mongodb://host/");
db = mongoc_client_get_default_database (client);

assert (!db);

mongoc_client_destroy (client);

Author

MongoDB, Inc

Info

Mar 28, 2017 1.6.2 MongoDB C Driver