Struct TransactionSession 

pub struct TransactionSession { /* private fields */ }

Stores active transactions and their owner identities.

Implementations

impl TransactionSession

pub fn begin_transaction(&mut self, owner: Vec<u8>) -> TransactionId

Begins a new transaction for the given owner identity and returns its ID.

pub fn has_transaction( &self, transaction_id: &TransactionId, caller: &[u8], ) -> bool

Checks whether a transaction exists and is owned by the given identity.

pub fn get_transaction( &self, transaction_id: &TransactionId, ) -> DbmsResult<&Transaction>

Retrieves a shared reference to the transaction.

pub fn take_transaction( &mut self, transaction_id: &TransactionId, ) -> DbmsResult<Transaction>

Removes and returns the transaction (used during commit).

pub fn close_transaction(&mut self, transaction_id: &TransactionId)

Closes (discards) the transaction without returning it.

pub fn get_transaction_mut( &mut self, transaction_id: &TransactionId, ) -> DbmsResult<&mut Transaction>

Retrieves a mutable reference to the transaction.

Trait Implementations

impl Debug for TransactionSession

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

Formats the value using the given formatter.

impl Default for TransactionSession

fn default() -> TransactionSession

Returns the “default value” for a type.