Struct Transaction 

pub struct Transaction {
    pub txn_id: u64,
    /* private fields */
}

A database transaction with MVCC support

Fields

txn_id: u64

Transaction ID

Implementations

impl Transaction

pub fn get(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Error>

Read a value with snapshot isolation

pub fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> Result<(), Error>

Write a value (buffered until commit)

pub fn delete(&mut self, key: &[u8]) -> Result<(), Error>

Delete a key

pub fn scan(&self, prefix: &[u8]) -> Result<Vec<(Vec<u8>, Vec<u8>)>, Error>

Scan keys with prefix

pub fn commit(self) -> Result<(), Error>

Commit the transaction

pub fn rollback(self) -> Result<(), Error>

Rollback the transaction

pub fn id(&self) -> u64

Get transaction ID

pub fn isolation_level(&self) -> IsolationLevel

Get isolation level