Struct TransactionManager 

pub struct TransactionManager { /* private fields */ }

Managing active transactions and cleanup.

Implementations

impl TransactionManager

pub fn new() -> Self

pub fn begin_transaction(&self) -> u64

Start a new transaction, allocating a read timestamp.

pub fn allocate_commit_ts(&self) -> u64

Allocate a commit timestamp.

pub fn current_ts(&self) -> u64

Read the current max timestamp (for non-transactional reads).

pub fn end_transaction(&self, tx_id: u64)

Mark a transaction as completed (committed or rolled back).

pub fn min_active_ts(&self) -> Option<u64>

Get the minimum active read timestamp.

This is the watermark below which versions can be safely garbage collected. Returns None if there are no active transactions.

pub fn active_count(&self) -> usize

Get the number of active transactions.

Trait Implementations

impl Debug for TransactionManager

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TransactionManager

fn default() -> Self

Returns the “default value” for a type.