MONGOC_CLIENT_GET_DATABASE_NAMES_WITH_OPTS - Online Linux Manual Page
Section : 3
Updated : Feb 04, 2021
Source : 1.17.4
Note : libmongoc
NAMEmongoc_client_get_database_names_with_opts − mongoc_client_get_database_names_with_opts()
SYNOPSIS char **
mongoc_client_get_database_names_with_opts (mongoc_client_t *client,
const bson_t *opts,
bson_error_t *error);
This function queries the MongoDB server for a list of known databases.
PARAMETERS • client: A mongoc_client_t. • opts: A bson_t containing additional options. • error: An optional location for a bson_error_t or NULL. opts may be NULL or a BSON document with additional command options: • sessionId: First, construct a mongoc_client_session_t with mongoc_client_start_session. You can begin a transaction with mongoc_client_session_start_transaction, optionally with a mongoc_transaction_opt_t that overrides the options inherited from client, and use mongoc_client_session_append to add the session to opts. See the example code for mongoc_client_session_t. • serverId: To target a specific server, include an int32 "serverId" field. Obtain the id by calling mongoc_client_select_server, then mongoc_server_description_id on its return value. This function is considered a retryable read operation. Upon a transient error (a network error, errors due to replica set failover, etc.) the operation is safely retried once. If retryreads is false in the URI (see mongoc_uri_t) the retry behavior does not apply.
ERRORSErrors are propagated via the error parameter.
RETURNSA NULL terminated vector of NULL−byte terminated strings. The result should be freed with bson_strfreev(). NULL is returned upon failure and error is set.
EXAMPLES {
bson_error_t error;
char **strv;
unsigned i;
if ((strv = mongoc_client_get_database_names_with_opts (client, NULL, &error))) {
for (i = 0; strv[i]; i++)
printf ("%s\n", strv[i]);
bson_strfreev (strv);
} else {
fprintf (stderr, "Command failed: %s\n", error.message);
}
}
AUTHORMongoDB, Inc
COPYRIGHT2017-present, MongoDB, Inc 0
Johanes Gumabo
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