Function open_database 

pub fn open_database<P>(cluster_file_path: P) -> FdbResult<FdbDatabase>
where
    P: AsRef<Path>,

Returns FdbDatabase handle to the FDB cluster identified by the provided cluster file.

If no cluster file is passed, FDB automatically determines a cluster file with which to connect to a cluster.

A single client can use this function multiple times to connect to different clusters simultaneously, with each invocation requiring its own cluster file.

Note

The caller must ensure that FdbDatabase stays alive during the lifetime of any transactions or futures that FdbDatabase creates.