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https://dev.mysql.com/doc/internals/en/calling-sequence.html
The init callback is always called first at the beginning of a query, followed by a call to the Section 18.1.2, “change_columns()”. The Section 18.1.6, “end_of_records()” member is always called last at the very end. For simple non-grouping ...
https://dev.mysql.com/doc/internals/en/capability-flags.html
The capability flags are used by the client and server to indicate which features they support and want to use. Value 0x00000001 CLIENT_FOUND_ROWS Send found rows instead of affected rows in EOF_Packet. CLIENT_CONNECT_WITH_DB Database (schema) name ...
https://dev.mysql.com/doc/internals/en/cmake-build-types.html
The build type affects optimization and whether the result of the build is debuggable. RelWithDebInfo (optimizations are on, debug info is generated) is used in MySQL by default. Debug (optimizations are off, debug info is generated) is used if the ...
https://dev.mysql.com/doc/internals/en/cmd-line-utils-directory.html
All the files here are "non-MySQL" files, in the sense that MySQL AB didn't produce them, it just uses them. It should be unnecessary to study the programs in these files unless you are writing or debugging a tty-like client for MySQL, such as ...
https://dev.mysql.com/doc/internals/en/com-change-user.html
COM_CHANGE_USER changes the user of the current connection and reset the connection state. and others It is followed by the same states as the initial handshake.
https://dev.mysql.com/doc/internals/en/com-stmt-prepare.html
COM_STMT_PREPARE creates a prepared statement from the passed query string. The server returns a COM_STMT_PREPARE Response which contains a statement-id which is used to identify the prepared statement.
https://dev.mysql.com/doc/internals/en/creating-tables.html
Once a handler is instanced, the first operation that will likely be required is the creation of a table. Your storage engine must implement the [custom-engine.html#custom-engine-api-reference-create create()] virtual method: virtual int ...
https://dev.mysql.com/doc/internals/en/dbug-directory.html
Rather, it's a set of public-domain routines which are useful for debugging MySQL programs. The MySQL Server and all .c and .cc programs support the use of this package. How it works: One inserts a function call that begins with DBUG_* in one of the ...
https://dev.mysql.com/doc/internals/en/determining-logging-format.html
For each statement, we must determine the logging format: row or statement. At parse time, it is detected if the statement is unsafe to log in statement format (that is, requires row format). This must be done prior to the call to ...
https://dev.mysql.com/doc/internals/en/ensuring-compatibility-of-future-binary-log-versions.html
However, as indicated earlier, v1-format files can be recognized from the initial event in the file, by a type code of START_EVENT_V3 and an event length less than 75. The v4 format description event is designed so that it can handle future format ...