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MySQL 8.0.44
Source Code Documentation
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MySQL 8.0.44
Source Code Documentation
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#include <log_event.h>
Public Member Functions | |
| Heartbeat_log_event (const char *buf, const Format_description_event *description_event) | |
 Public Member Functions inherited from binary_log::Heartbeat_event | |
| Heartbeat_event (const char *buf, const Format_description_event *fde) | |
| Sent by a source to a replica to let the replica know that the source is still alive. More... | |
| const char * | get_log_ident () |
| unsigned int | get_ident_len () |
| Public Member Functions inherited from binary_log::Binary_log_event | |
| virtual | ~Binary_log_event ()=0 |
| Binary_log_event (const Binary_log_event &)=default | |
| Binary_log_event (Binary_log_event &&)=default | |
| Binary_log_event & | operator= (const Binary_log_event &)=default |
| Binary_log_event & | operator= (Binary_log_event &&)=default |
| enum Log_event_type | get_event_type () const |
| Helper method. More... | |
| const Log_event_header * | header () const |
| Return a const pointer to the header of the log event. More... | |
| Log_event_header * | header () |
| Return a non-const pointer to the header of the log event. More... | |
| const Log_event_footer * | footer () const |
| Return a const pointer to the footer of the log event. More... | |
| Log_event_footer * | footer () |
| Return a non-const pointer to the footer of the log event. More... | |
| Event_reader & | reader () |
| Returns a reference to the event Event_reader object. More... | |
| Public Member Functions inherited from Log_event | |
| Log_event (Log_event_header *header, Log_event_footer *footer, enum_event_cache_type cache_type_arg, enum_event_logging_type logging_type_arg) | |
| This minimal constructor is for when you are not even sure that there is a valid THD. More... | |
| Log_event (THD *thd_arg, uint16 flags_arg, enum_event_cache_type cache_type_arg, enum_event_logging_type logging_type_arg, Log_event_header *header, Log_event_footer *footer) | |
| int | net_send (Protocol *protocol, const char *log_name, my_off_t pos) |
| Only called by SHOW BINLOG EVENTS. More... | |
| virtual int | pack_info (Protocol *protocol) |
| Stores a string representation of this event in the Protocol. More... | |
| virtual const char * | get_db () |
| void * | operator new (size_t size) |
| bool | wrapper_my_b_safe_write (Basic_ostream *ostream, const uchar *buf, size_t data_length) |
| Write the given buffer to the given output stream, updating the checksum if checksums are enabled. More... | |
| virtual bool | write (Basic_ostream *ostream) |
| time_t | get_time () |
| Prints a "session_var=value" string. More... | |
| virtual bool | write_data_header (Basic_ostream *) |
| virtual bool | write_data_body (Basic_ostream *) |
| virtual Log_event_type | get_type_code () const |
| virtual bool | is_sbr_logging_format () const |
| Return true if the event has to be logged using SBR for DMLs. More... | |
| virtual bool | is_rbr_logging_format () const |
| Return true if the event has to be logged using RBR for DMLs. More... | |
| bool | is_valid () |
| void | set_artificial_event () |
| void | set_relay_log_event () |
| bool | is_artificial_event () const |
| bool | is_relay_log_event () const |
| bool | is_ignorable_event () const |
| bool | is_no_filter_event () const |
| bool | is_using_trans_cache () const |
| bool | is_using_stmt_cache () const |
| bool | is_using_immediate_logging () const |
| Log_event (Log_event_header *header, Log_event_footer *footer) | |
| virtual void | claim_memory_ownership (bool claim) |
| Allow thread to CLAIM or DISCLAIM the ownership of this object depends on the parameter value passed. More... | |
| virtual | ~Log_event () |
| void | register_temp_buf (char *buf, bool free_in_destructor=true) |
| void | free_temp_buf () |
| virtual size_t | get_data_size () |
| const char * | get_type_str () const |
| Returns the human readable name of this event's type. More... | |
| bool | is_mts_sequential_exec () |
| Is called from get_mts_execution_mode() to. More... | |
| virtual uint8 | get_mts_dbs (Mts_db_names *arg, Rpl_filter *rpl_filter) |
| The method fills in pointers to event's database name c-strings to a supplied array. More... | |
| bool | contains_partition_info (bool) |
| virtual uint8 | mts_number_dbs () |
| bool | is_mts_group_isolated () |
| virtual bool | starts_group () const |
| Events of a certain type can start or end a group of events treated transactionally wrt binlog. More... | |
| virtual bool | ends_group () const |
| int | apply_event (Relay_log_info *rli) |
| Apply the event to the database. More... | |
| int | apply_gtid_event (Relay_log_info *rli) |
| Apply the GTID event in curr_group_data to the database. More... | |
| int | update_pos (Relay_log_info *rli) |
| Update the relay log position. More... | |
| enum_skip_reason | shall_skip (Relay_log_info *rli) |
| Decide if the event shall be skipped, and the reason for skipping it. More... | |
| virtual int | do_apply_event (Relay_log_info const *rli) |
| Primitive to apply an event to the database. More... | |
| virtual int | do_apply_event_worker (Slave_worker *w) |
Additional Inherited Members | |
| Public Types inherited from binary_log::Binary_log_event | |
| enum | enum_post_header_length { QUERY_HEADER_MINIMAL_LEN = (4 + 4 + 1 + 2) , QUERY_HEADER_LEN = (QUERY_HEADER_MINIMAL_LEN + 2) , STOP_HEADER_LEN = 0 , START_V3_HEADER_LEN = (2 + ST_SERVER_VER_LEN + 4) , ROTATE_HEADER_LEN = 8 , INTVAR_HEADER_LEN = 0 , APPEND_BLOCK_HEADER_LEN = 4 , DELETE_FILE_HEADER_LEN = 4 , RAND_HEADER_LEN = 0 , USER_VAR_HEADER_LEN = 0 , FORMAT_DESCRIPTION_HEADER_LEN = (START_V3_HEADER_LEN + 1 + LOG_EVENT_TYPES) , XID_HEADER_LEN = 0 , BEGIN_LOAD_QUERY_HEADER_LEN = APPEND_BLOCK_HEADER_LEN , ROWS_HEADER_LEN_V1 = 8 , TABLE_MAP_HEADER_LEN = 8 , EXECUTE_LOAD_QUERY_EXTRA_HEADER_LEN = (4 + 4 + 4 + 1) , EXECUTE_LOAD_QUERY_HEADER_LEN , INCIDENT_HEADER_LEN = 2 , HEARTBEAT_HEADER_LEN = 0 , IGNORABLE_HEADER_LEN = 0 , ROWS_HEADER_LEN_V2 = 10 , TRANSACTION_CONTEXT_HEADER_LEN = 18 , VIEW_CHANGE_HEADER_LEN = 52 , XA_PREPARE_HEADER_LEN = 0 , TRANSACTION_PAYLOAD_HEADER_LEN = 0 } |
| The lengths for the fixed data part of each event. More... | |
| Public Types inherited from Log_event | |
| enum | enum_skip_reason { EVENT_SKIP_NOT , EVENT_SKIP_IGNORE , EVENT_SKIP_COUNT } |
| Enumeration of what kinds of skipping (and non-skipping) that can occur when the slave executes an event. More... | |
| Static Public Member Functions inherited from Log_event | |
| static void | init_show_field_list (mem_root_deque< Item * > *field_list) |
| init_show_field_list() prepares the column names and types for the output of SHOW BINLOG EVENTS; it is used only by SHOW BINLOG EVENTS. More... | |
| static void | operator delete (void *ptr, size_t) |
| static void * | operator new (size_t, void *ptr) |
| static void | operator delete (void *, void *) |
| static const char * | get_type_str (Log_event_type type) |
| Returns the human readable name of the given event type. More... | |
| static const char * | get_type_str (uint type) |
| Get the name of an event type, or "Unknown" if out of range. More... | |
| Public Attributes inherited from Log_event | |
| char * | temp_buf |
| bool | m_free_temp_buf_in_destructor |
| ulong | exec_time |
| uint32 | server_id |
| ulong | rbr_exec_mode |
| A storage to cache the global system variable's value. More... | |
| enum_event_cache_type | event_cache_type |
| Defines the type of the cache, if any, where the event will be stored before being flushed to disk. More... | |
| enum_event_logging_type | event_logging_type |
| Defines when information, i.e. More... | |
| ha_checksum | crc |
| Placeholder for event checksum while writing to binlog. More... | |
| ulong | mts_group_idx |
Index in rli->gaq array to indicate a group that this event is purging. More... | |
| binary_log::Log_event_header * | common_header |
| The Log_event_header class contains the variable present in the common header. More... | |
| binary_log::Log_event_footer * | common_footer |
| The Log_event_footer class contains the variable present in the common footer. More... | |
| Relay_log_info * | worker |
| MTS: associating the event with either an assigned Worker or Coordinator. More... | |
| ulonglong | future_event_relay_log_pos |
| A copy of the main rli value stored into event to pass to MTS worker rli. More... | |
| THD * | thd |
| db_worker_hash_entry * | mts_assigned_partitions [MAX_DBS_IN_EVENT_MTS] |
| Partition info associate with event to deliver to MTS event applier. More... | |
| Static Public Attributes inherited from binary_log::Binary_log_event | |
| static const int | LOG_EVENT_TYPES = (ENUM_END_EVENT - 1) |
| Protected Types inherited from Log_event | |
| enum | enum_event_cache_type { EVENT_INVALID_CACHE = 0 , EVENT_STMT_CACHE , EVENT_TRANSACTIONAL_CACHE , EVENT_NO_CACHE , EVENT_CACHE_COUNT } |
| enum | enum_event_logging_type { EVENT_INVALID_LOGGING = 0 , EVENT_NORMAL_LOGGING , EVENT_IMMEDIATE_LOGGING , EVENT_CACHE_LOGGING_COUNT } |
| Protected Member Functions inherited from binary_log::Binary_log_event | |
| Binary_log_event (Log_event_type type_code) | |
| This constructor is used to initialize the type_code of header object m_header. More... | |
| Binary_log_event (const char **buf, const Format_description_event *fde) | |
| This constructor will create a new object of Log_event_header and initialize the variable m_header, which in turn will be used to initialize Log_event's member common_header. More... | |
| Protected Member Functions inherited from Log_event | |
| uint32 | write_header_to_memory (uchar *buf) |
| Writes the common header of this event to the given memory buffer. More... | |
| bool | write_header (Basic_ostream *ostream, size_t data_length) |
| Writes the common-header of this event to the given output stream and updates the checksum. More... | |
| bool | write_footer (Basic_ostream *ostream) |
| bool | need_checksum () |
| A decider of whether to trigger checksum computation or not. More... | |
| enum_skip_reason | continue_group (Relay_log_info *rli) |
| Helper function to ignore an event w.r.t. More... | |
| virtual int | do_update_pos (Relay_log_info *rli) |
| Advance relay log coordinates. More... | |
| virtual enum_skip_reason | do_shall_skip (Relay_log_info *rli) |
| Decide if this event shall be skipped or not and the reason for skipping it. More... | |
| Protected Attributes inherited from binary_log::Heartbeat_event | |
| const char * | log_ident |
| unsigned int | ident_len |
| Heartbeat_log_event::Heartbeat_log_event | ( | const char * | buf, |
| const Format_description_event * | description_event | ||
| ) |
1.9.2