SqliteTransaction Class Reference

#include <Pt/Db/Transaction.h>

SQLite transaction with optional immediate locking. More...

Inherits Transaction.

Public Member Functions
	SqliteTransaction (Connection &conn, bool start=true, bool immediate=false)
	Creates a SQLite transaction on conn.
const Connection &	getConnection () const
	Returns the connection this transaction uses.
void	begin ()
	Begins a deferred transaction.
void	commit ()
	Commits the active transaction.
void	rollback ()
	Rolls back the active transaction.
void	beginStart ()
	Starts an asynchronous begin-transaction.
void	endStart ()
	Completes an asynchronous begin-transaction.
Pt::Signal &	startFinished ()
	Signal emitted when an asynchronous begin completes.
void	beginCommit ()
	Starts an asynchronous commit.
void	endCommit ()
	Completes an asynchronous commit.
Pt::Signal &	commitFinished ()
	Signal emitted when an asynchronous commit completes.
void	beginRollback ()
	Starts an asynchronous rollback.
void	endRollback ()
	Completes an asynchronous rollback.
Pt::Signal &	rollbackFinished ()
	Signal emitted when an asynchronous rollback completes.

Protected Member Functions
const char *	onGetBeginSql () override
	Returns SQL for BEGIN, or a null pointer for the backend default.
virtual const char *	onGetCommitSql ()
	Returns SQL for COMMIT, or a null pointer for the backend default.
virtual const char *	onGetRollbackSql ()
	Returns SQL for ROLLBACK, or a null pointer for the backend default.

Detailed Description

SqliteTransaction is a Transaction that can start with BEGIN IMMEDIATE TRANSACTION instead of the backend default. Pass immediate true for that locking. start still controls whether the constructor begins the transaction.

Member Function Documentation

begin()

void begin ( )

inherited

Rolls back an already active transaction first.

commit()

void commit ( )

inherited

Does nothing if no transaction is active.

rollback()

void rollback ( )

inherited

Does nothing if no transaction is active.