Struct Transaction 

pub struct Transaction { /* private fields */ }

A database transaction.

Implementations

impl Transaction

pub fn begin() -> Self

Creates a new transaction.

pub fn id(&self) -> TransactionId

Returns the transaction ID.

pub fn state(&self) -> TransactionState

Returns the current state.

pub fn is_active(&self) -> bool

Returns true if the transaction is active.

pub fn insert( &mut self, cache: &mut TableCache, table: &str, row: Row, ) -> Result<RowId>

Inserts a row within this transaction.

pub fn update( &mut self, cache: &mut TableCache, table: &str, row_id: RowId, new_row: Row, ) -> Result<()>

Updates a row within this transaction.

pub fn delete( &mut self, cache: &mut TableCache, table: &str, row_id: RowId, ) -> Result<Row>

Deletes a row within this transaction.

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

Commits the transaction.

pub fn rollback(self, cache: &mut TableCache) -> Result<()>

Rolls back the transaction.

pub fn get_changes(&self) -> &[JournalEntry]

Returns the journal entries.

pub fn journal(&self) -> &Journal

Returns the journal.