MySQL  8.0.19
Source Code Documentation
binlog_trx_cache_data Class Reference
Inheritance diagram for binlog_trx_cache_data:
binlog_cache_data

Public Member Functions

 binlog_trx_cache_data (bool trx_cache_arg, ulong *ptr_binlog_cache_use_arg, ulong *ptr_binlog_cache_disk_use_arg)
 
void reset ()
 Reset the cache to unused state when the transaction is finished. More...
 
bool cannot_rollback () const
 
void set_cannot_rollback ()
 
my_off_t get_prev_position () const
 
void set_prev_position (my_off_t pos)
 
void restore_prev_position ()
 
void restore_savepoint (my_off_t pos)
 
int truncate (THD *thd, bool all)
 This function truncates the transactional cache upon committing or rolling back either a transaction or a statement. More...
 
void truncate (my_off_t pos)
 
- Public Member Functions inherited from binlog_cache_data
 binlog_cache_data (bool trx_cache_arg, ulong *ptr_binlog_cache_use_arg, ulong *ptr_binlog_cache_disk_use_arg)
 
bool open (my_off_t cache_size, my_off_t max_cache_size)
 
Binlog_cache_storageget_cache ()
 
int finalize (THD *thd, Log_event *end_event)
 This function finalizes the cache preparing for commit or rollback. More...
 
int finalize (THD *thd, Log_event *end_event, XID_STATE *xs)
 The method writes XA END query to XA-prepared transaction's cache and calls the "basic" finalize(). More...
 
int flush (THD *thd, my_off_t *bytes, bool *wrote_xid)
 Flush caches to the binary log. More...
 
int write_event (Log_event *event)
 
size_t get_event_counter ()
 
virtual ~binlog_cache_data ()
 
bool is_binlog_empty () const
 
bool is_finalized () const
 
Rows_log_eventpending () const
 
void set_pending (Rows_log_event *const pending)
 
void set_incident (void)
 
bool has_incident (void) const
 
bool has_xid () const
 
bool is_trx_cache () const
 
my_off_t get_byte_position () const
 
void cache_state_checkpoint (my_off_t pos_to_checkpoint)
 
void cache_state_rollback (my_off_t pos_to_rollback)
 
bool may_have_sbr_stmts ()
 Returns information about the cache content with respect to the binlog_format of the events. More...
 
bool has_empty_transaction ()
 Check if the binlog cache contains an empty transaction, which has two binlog events "BEGIN" and "COMMIT". More...
 
bool is_empty_or_has_empty_transaction ()
 Check if the binlog cache is empty or contains an empty transaction, which has two binlog events "BEGIN" and "COMMIT". More...
 

Private Member Functions

binlog_trx_cache_dataoperator= (const binlog_trx_cache_data &info)
 
 binlog_trx_cache_data (const binlog_trx_cache_data &info)
 

Private Attributes

bool m_cannot_rollback
 
my_off_t before_stmt_pos
 

Additional Inherited Members

- Protected Member Functions inherited from binlog_cache_data
void truncate (my_off_t pos)
 
int flush_pending_event (THD *thd)
 Flush pending event to the cache buffer. More...
 
int remove_pending_event ()
 Remove the pending event. More...
 
- Protected Attributes inherited from binlog_cache_data
std::map< my_off_t, cache_statecache_state_map
 
size_t event_counter = 0
 
struct binlog_cache_data::Flags flags
 

Constructor & Destructor Documentation

◆ binlog_trx_cache_data() [1/2]

binlog_trx_cache_data::binlog_trx_cache_data ( bool  trx_cache_arg,
ulong ptr_binlog_cache_use_arg,
ulong ptr_binlog_cache_disk_use_arg 
)
inline

◆ binlog_trx_cache_data() [2/2]

binlog_trx_cache_data::binlog_trx_cache_data ( const binlog_trx_cache_data info)
private

Member Function Documentation

◆ cannot_rollback()

bool binlog_trx_cache_data::cannot_rollback ( ) const
inline

◆ get_prev_position()

my_off_t binlog_trx_cache_data::get_prev_position ( ) const
inline

◆ operator=()

binlog_trx_cache_data& binlog_trx_cache_data::operator= ( const binlog_trx_cache_data info)
private

◆ reset()

void binlog_trx_cache_data::reset ( )
inlinevirtual

Reset the cache to unused state when the transaction is finished.

It drops all data in the cache and clears the flags of the transaction state.

Reimplemented from binlog_cache_data.

◆ restore_prev_position()

void binlog_trx_cache_data::restore_prev_position ( )
inline

◆ restore_savepoint()

void binlog_trx_cache_data::restore_savepoint ( my_off_t  pos)
inline

◆ set_cannot_rollback()

void binlog_trx_cache_data::set_cannot_rollback ( )
inline

◆ set_prev_position()

void binlog_trx_cache_data::set_prev_position ( my_off_t  pos)
inline

◆ truncate()

void binlog_cache_data::truncate
inline

Member Data Documentation

◆ before_stmt_pos

my_off_t binlog_trx_cache_data::before_stmt_pos
private

◆ m_cannot_rollback

bool binlog_trx_cache_data::m_cannot_rollback
private

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