Struct TxnContext 

pub struct TxnContext<'a> { /* private fields */ }

Implementations

impl<'a> TxnContext<'a>

pub fn new(manager: Arc<TransactionManager>, txn: &'a mut Transaction) -> Self

pub fn snapshot(&self) -> &TransactionSnapshot

pub fn is_visible(&self, meta: &TupleMeta) -> bool

pub fn read_visible_tuple( &mut self, table: &TableReference, rid: RecordId, meta: &TupleMeta, tuple: Tuple, ) -> QuillSQLResult<Option<Tuple>>

pub fn acquire_shared_guard( &mut self, table: &TableReference, rid: RecordId, ) -> QuillSQLResult<TxnReadGuard>

pub fn lock_row_exclusive( &mut self, table: &TableReference, rid: RecordId, ) -> QuillSQLResult<()>

pub fn lock_table( &mut self, table: TableReference, mode: LockMode, ) -> QuillSQLResult<()>

pub fn ensure_writable( &self, table: &TableReference, operation: &str, ) -> QuillSQLResult<()>

pub fn isolation_level(&self) -> IsolationLevel

pub fn transaction(&self) -> &Transaction

pub fn transaction_mut(&mut self) -> &mut Transaction

pub fn manager(&self) -> &TransactionManager

pub fn txn_id(&self) -> TransactionId

pub fn unlock_row(&self, table: &TableReference, rid: RecordId)

pub fn command_id(&self) -> CommandId