TC_LOG_DUMMY Class Reference

#include <tc_log.h>

Inheritance diagram for TC_LOG_DUMMY:

Public Member Functions
	TC_LOG_DUMMY ()=default
int	open (const char *) override
	Initialize and open the coordinator log. More...
void	close () override
	Close the transaction coordinator log and free any resources. More...
enum_result	commit (THD *thd, bool all) override
	Log a commit record of the transaction to the transaction coordinator log. More...
int	rollback (THD *thd, bool all) override
	Log a rollback record of the transaction to the transaction coordinator log. More...
int	prepare (THD *thd, bool all) override
	Log a prepare record of the transaction to the storage engines. More...
Public Member Functions inherited from TC_LOG
bool	using_heuristic_recover ()
	Perform heuristic recovery, if –tc-heuristic-recover was used. More...
	TC_LOG ()=default
virtual	~TC_LOG ()=default

Additional Inherited Members
Public Types inherited from TC_LOG
enum	enum_result { RESULT_SUCCESS , RESULT_ABORTED , RESULT_INCONSISTENT }

Constructor & Destructor Documentation

TC_LOG_DUMMY()

TC_LOG_DUMMY::TC_LOG_DUMMY ( )

default

Member Function Documentation

close()

void TC_LOG_DUMMY::close ( )

inlineoverridevirtual

Close the transaction coordinator log and free any resources.

Called during server shutdown.

Implements TC_LOG.

commit()

TC_LOG::enum_result TC_LOG_DUMMY::commit ( THD *  thd, bool  all  )

overridevirtual

Log a commit record of the transaction to the transaction coordinator log.

When the function returns, the transaction commit is properly logged to the transaction coordinator log and can be committed in the storage engines.

Parameters

thd	Session to log transaction for.
all	True if this is a "real" commit, false if it is a "statement" commit.

Returns

Error code on failure, zero on success.

Implements TC_LOG.

open()

int TC_LOG_DUMMY::open ( const char *  opt_name )

overridevirtual

Initialize and open the coordinator log.

Do recovery if necessary. Called during server startup.

Parameters

opt_name

Name of logfile.

Return values

0	success
1	failed

Implements TC_LOG.

prepare()

int TC_LOG_DUMMY::prepare ( THD *  thd, bool  all  )

overridevirtual

Log a prepare record of the transaction to the storage engines.

Parameters

thd	Session to log transaction record for.
all	true if an explicit commit or an implicit commit for a statement, false if an internal commit of the statement.

Returns

Error code on failure, zero on success.

Implements TC_LOG.

rollback()

int TC_LOG_DUMMY::rollback ( THD *  thd, bool  all  )

overridevirtual

Log a rollback record of the transaction to the transaction coordinator log.

When the function returns, the transaction have been aborted in the transaction coordinator log.

Parameters

thd	Session to log transaction record for.
all	true if an explicit commit or an implicit commit for a statement, false if an internal commit of the statement.

Returns

Error code on failure, zero on success.

Implements TC_LOG.

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The documentation for this class was generated from the following files:

• sql/tc_log.h
• sql/tc_log.cc