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https://dev.mysql.com/doc/internals/en/implementing-rnd-init-method.html
The method called before any table scan is the [custom-engine.html#custom-engine-api-reference-rnd_init rnd_init()] method. The rnd_init() method is used to prepare for a table scan, resetting counters and pointers to the start of the table. The ...
https://dev.mysql.com/doc/internals/en/implementing-savepoint-release-method.html
The savepoint_release() method is called whenever a user issues the RELEASE SAVEPOINT statement: int (*savepoint_release) (THD *thd, void *sv); The *sv parameter points to the storage area that was previously passed to the savepoint_set() method.
https://dev.mysql.com/doc/internals/en/index-end.html
Purpose Indicates end of index scan, clean up any resources used. Synopsis virtual int index_end ( ); ; Description This is the index_end method. Generally it is used as a counterpart to the index_init method, cleaning up any resources allocated for ...
https://dev.mysql.com/doc/internals/en/index-init.html
Purpose Signals the storage engine that an index scan is about to occur. Synopsis virtual int index_init ( idx, sorted); uint idx ; bool sorted ; Description This is the index_init method. This method is called before an index scan, allowing the ...
https://dev.mysql.com/doc/internals/en/index-read-last.html
Synopsis virtual int index_read_last ( buf, key, keypart_map); byte * buf ; const byte * key ; ulonglong keypart_map ; Description This is the index_read_last method. Parameters buf key keypart_map Return Values Usage This section is still to be ...
https://dev.mysql.com/doc/internals/en/interaction-with-debug-option.html
Anything written to the trace is automatically writte to the --debug file.
https://dev.mysql.com/doc/internals/en/make-install-make-test.html
The installation directory can be controlled using the CMAKE_INSTALL_PREFIX option at configuration time (default is /usr). It is also possible to install to non-configured directory at installation time: make install DESTDIR="/some/absolute/path" ...
https://dev.mysql.com/doc/internals/en/miscellaneous-options.html
For Autotools MySQL build options that have CMake equivalents, the normal mapping from an Autotools option to the CMake option is to convert uppercase, remove leading dashes, replace dashes with underscores, and add a leading -D.
https://dev.mysql.com/doc/internals/en/multi-statement.html
A multi-statement is permitting COM_QUERY to send more than one query to the server, separated by ';' characters. The client must announce that it wants multi-statements by either setting the CLIENT_MULTI_STATEMENTS capability or by using ...
https://dev.mysql.com/doc/internals/en/sending-more-than-16mbyte.html
If the payload is larger than or equal to 224−1 bytes the length is set to 224−1 (ff ff ff) and additional packets are sent with the rest of the payload until the payload of a packet is less than 224−1 bytes. Sending a payload of 16 777 215 ...