pub fn config_url(config: &Config) -> Result<Url, Error> {
    let mut url = Url::parse("postgresql://").unwrap();

    let host = match config.get_hosts() {
        [] => "localhost".into(),
        [Host::Tcp(host)] => host.clone(),
        [Host::Unix(path)] => path.display().to_string(),
        _ => {
            return Err(Error::message(
                "materialized URL cannot contain multiple hosts",
            ));
        }
    };
    url.set_host(Some(&host))
        .err_ctx("parsing materialized host")?;

    url.set_port(Some(match config.get_ports() {
        [] => 5432,
        [port] => *port,
        _ => {
            return Err(Error::message(
                "materialized URL cannot contain multiple ports",
            ));
        }
    }))
    .expect("known to be valid to set port");

    if let Some(user) = config.get_user() {
        url.set_username(user)
            .expect("known to be valid to set username");
    }

    Ok(url)
}
/// Constructs a URL from PostgreSQL configuration parameters.
///
/// Returns an error if the set of configuration parameters is not representable
/// as a URL, e.g., if there are multiple hosts.
Constructs a URL from PostgreSQL configuration parameters.
Returns an error if the set of configuration parameters is not representable
as a URL, e.g., if there are multiple hosts.
Constructs a URL from PostgreSQL configuration parameters . Returns an error if the set of configuration parameters is not representable as a URL e . g . if there are multiple hosts .
pub fn config_url(config: &Config) -> Result<Url, Error> {
    let mut url = Url::parse("postgresql://").unwrap();
    let host = match config.get_hosts() {
        [] => "localhost".into(),
        [Host::Tcp(host)] => host.clone(),
        [Host::Unix(path)] => path.display().to_string(),
        _ => {
            return Err(Error::message(
                "materialized URL cannot contain multiple hosts",
            ));
        }
    };
    url.set_host(Some(&host))
        .err_ctx("parsing materialized host")?;
    url.set_port(Some(match config.get_ports() {
        [] => 5432,
        [port] => *port,
        _ => {
            return Err(Error::message(
                "materialized URL cannot contain multiple ports",
            ));
        }
    }))
    .expect("known to be valid to set port");
    if let Some(user) = config.get_user() {
        url.set_username(user)
            .expect("known to be valid to set username");
    }
    Ok(url)
}
pub fn config_url ( config : & Config ) -> Result < Url , Error > { let mut url = Url :: parse ( " " ) . unwrap ( ) ; let host = match config . get_hosts ( ) { [ ] => " " . into ( ) , [ Host :: Tcp ( host ) ] => host . clone ( ) , [ Host :: Unix ( path ) ] => path . display ( ) . to_string ( ) , _ => { return Err ( Error :: message ( " " , ) ) ; } } ; url . set_host ( Some ( & host ) ) . err_ctx ( " " ) ? ; url . set_port ( Some ( match config . get_ports ( ) { [ ] => 5432 , [ port ] => * port , _ => { return Err ( Error :: message ( " " , ) ) ; } } ) ) . expect ( " " ) ; if let Some ( user ) = config . get_user ( ) { url . set_username ( user ) . expect ( " " ) ; } Ok ( url ) }
Constructs a URL from PostgreSQL configuration parameters.
Constructs a URL from PostgreSQL configuration parameters .
config
&Config
config
&Config