Struct SessionContext 

pub struct SessionContext { /* private fields */ }

Session-level state used to manage transactions and defaults for a client connection.

Implementations

impl SessionContext

pub fn new(default_isolation: IsolationLevel) -> Self

pub fn default_isolation(&self) -> IsolationLevel

pub fn set_default_isolation(&mut self, isolation: IsolationLevel)

pub fn default_access_mode(&self) -> TransactionAccessMode

pub fn set_default_access_mode(&mut self, mode: TransactionAccessMode)

pub fn set_active_isolation(&mut self, isolation: IsolationLevel)

Apply a new isolation level to the currently active transaction, if one exists.

pub fn autocommit(&self) -> bool

pub fn set_autocommit(&mut self, enabled: bool)

pub fn pending_session_isolation(&self) -> Option<IsolationLevel>

Retrieve the pending session isolation override that will apply to the next transaction.

pub fn set_pending_session_isolation( &mut self, isolation: Option<IsolationLevel>, )

Record a pending session isolation override that should apply to the next transaction.

pub fn pending_session_access(&self) -> Option<TransactionAccessMode>

pub fn set_pending_session_access( &mut self, mode: Option<TransactionAccessMode>, )

pub fn has_active_transaction(&self) -> bool

pub fn active_txn(&self) -> Option<&Transaction>

pub fn active_txn_mut(&mut self) -> Option<&mut Transaction>

pub fn ensure_active_transaction( &mut self, txn_mgr: &Arc<TransactionManager>, ) -> QuillSQLResult<&mut Transaction>

pub fn set_active_transaction(&mut self, txn: Transaction) -> QuillSQLResult<()>

pub fn take_active_transaction(&mut self) -> Option<Transaction>

pub fn clear_active_transaction(&mut self)

pub fn apply_transaction_modes(&mut self, modes: &TransactionModes)

Apply isolation override when a transaction-scoped SET TRANSACTION is issued.

pub fn apply_session_modes(&mut self, modes: &TransactionModes)

Merge SET SESSION TRANSACTION modes into session defaults.