Struct Transaction 

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

A database transaction with MVCC support

Fields

txn_id: TransactionId

Transaction ID

Implementations

impl Transaction

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

Read a value with snapshot isolation

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

Write a value (buffered until commit)

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

Delete a key

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

Scan keys with prefix

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

Commit the transaction

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

Rollback the transaction

pub fn id(&self) -> TransactionId

Get transaction ID

pub fn isolation_level(&self) -> IsolationLevel

Get isolation level