pub fn start() -> Self {
        Position {
            commit: 0,
            prepare: 0,
        }
    }
/// Points to the begin of the transaction file.
Points to the begin of the transaction file.
Points to the begin of the transaction file .
pub fn start() -> Self {
        Position {
            commit: 0,
            prepare: 0,
        }
    }
pub fn start ( ) -> Self { Position { commit : 0 , prepare : 0 , } }
Points to the begin of the transaction file.
Points to the begin of the transaction file .