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https://dev.mysql.com/doc/internals/en/error-injection.html
This means each of them will never execute twice within one SQL statement. But if multiple non-VALUE macros are run through in a statement, each can execute once if they use distinct keywords. If not using the ERROR_INJECT macros in an expression, ... Note: The ERROR_INJECT framework has been removed in an early 6.0 ...
https://dev.mysql.com/doc/internals/en/event-flags.html
LOG_EVENT_SUPPRESS_USE_F = 0x8 (New in 4.1.7) Suppresses generation of a USE statement before the actual statement to be logged. Event headers for v3 format and up contain event flags in the two flag bytes at position FLAGS_OFFSET = 17. There are ...
https://dev.mysql.com/doc/internals/en/logging-transactions-definitions.html
(D-N-write) A statement makes an N-write if it makes any type of change to the server state that will not be changed by a ROLLBACK. Note: N-writes include updates to N-tables, but also CREATE and DROP statements. (D-log-target) Events are either ...
https://dev.mysql.com/doc/internals/en/mysql-server.html
dispatch_command Mysql-5.5 sql/sql_parse.cc:869 mysql_binlog_send Mysql-5.5 sql/sql_repl.cc:436 Mysql-5.6 sql/rpl_master.cc mysql_stmt_get_longdata Mysql-5.5 sql/sql_prepare.cc:2802 mysqld_stmt_prepare Mysql-5.5 sql/sql_prepare.cc:2165 ...Mysql-5.5 ...
https://dev.mysql.com/doc/internals/en/packet-OK_Packet.html
SESSION_TRACK_SCHEMA Type Name Description string<lenenc> name name of the changed schema Example After a USE test statement: 01 05 04 74 65 73 74 ...test SESSION_TRACK_STATE_CHANGE A flag byte that indicates whether session state changes occurred.
https://dev.mysql.com/doc/internals/en/source-files-related-to-the-binary-log.html
rpl_utility.h /rpl_utility.cc: Contains auxiliary classes and functions used for Table_map_events, and also an auxiliary class for smart pointers sql_binlog.cc : Code to execute BINLOG statements (the base64-encoded values that mysqlbinlog prints ...
https://dev.mysql.com/doc/internals/en/transactions-data-layout.html
These members correspond to the statement and normal transactions respectively: thd->transaction.stmt contains a list of engines that are participating in the given statement thd->transaction.all contains a list of engines that have participated in ...Each element of the list contains a pointer to the storage engine, engine-specific transactional data, and engine-specific transaction ...
https://dev.mysql.com/doc/internals/en/user-level-locks.html
User-level locks are controlled with the SQL functions GET_LOCK(str,timeout) IS_FREE_LOCK(str) IS_USED_LOCK(str) RELEASE_LOCK(str) They can be used at places where SQL statements accept SQL functions. Depending on their appearance in the select ...
https://dev.mysql.com/doc/internals/en/x-protocol-notices-notices.html
sever-side generated primary keys (like AUTO_INCREMENT) rows-found, rows-matched, rows-affected CURRENT_SCHEMA Sent after statement that changes the current schema like USE ... Global Notices Global Notices are sent by the server in case of events ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndbblob.html
NdbBlob::getVersion() Description This method is used to distinguish whether a blob operation is statement-based or event-based. Return value One of the following three values: -1: This is a “normal” (statement-based) blob. This section ...