// Register default database with Local engine.
Register default database with Local engine.
Register default database with Local engine .
fn register_default_database(&mut self) -> Result<()> {
        let default_db = LocalDatabase::create();
        self.databases
            .insert("default".to_string(), Arc::new(default_db));
        Ok(())
    }
fn register_default_database ( & mut self ) -> Result < ( ) > { let default_db = LocalDatabase :: create ( ) ; self . databases . insert ( " " . to_string ( ) , Arc :: new ( default_db ) ) ; Ok ( ( ) ) }
Register default database with Local engine.
Register default database with Local engine .
&mut self