MONGOC_CLIENT_GET_DATABASE_NAMES_WITH_OPTS - Online Linux Manual PageSection : 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

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