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https://dev.mysql.com/doc/connector-python/en/connector-python-tutorial-cursorbuffered.html
The following example script gives a long-overdue 15% raise effective tomorrow to all employees who joined in the year 2000 and are still with the company. (A buffered cursor fetches and buffers the rows of a result set after executing a query; see ...
https://dev.mysql.com/doc/internals/en/automatic-trace-purging.html
A user who wants to see the trace of another substatement, can enable/disable tracing around the desired substatement, but this requires editing the routine's code, which may not be possible. Thus, if a statement contains substatements (example: ...
https://dev.mysql.com/doc/internals/en/caching.html
(sql/hostname.cc) Privilege Cache To allow quick change between databases, the last used privileges are cached for each user/database combination. (Note that the some of the filenames contain an incorrect spelling of the word “cache.”) Key Cache ...
https://dev.mysql.com/doc/internals/en/debug-sync-facility.html
MySQL supports a Debug Sync Facility, which - in spite of the "debug" in its name - is completely independent from the DBUG facility (except that it uses DBUG to trace its operation, if DBUG is also configured in the server). The documentation here ...
https://dev.mysql.com/doc/internals/en/error-message-multiple-versions.html
Instead, use the ER_UNKNOWN_ERROR error code, and print a helpful error text with code similar to this: my_printf_error(ER_UNKNOWN_ERROR, "Some error text here, with the '%-.64s' parameter value" MYF(0), a_parameter); This will provide the user with ... It is critical that error codes are identical in all ...
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/implementing-savepoint-rollback-method.html
The savepoint_rollback() method is called whenever a user issues the ROLLBACK TO SAVEPOINT statement: int (*savepoint_rollback) (THD *thd, void *sv); The *sv parameter points to the storage area that was previously passed to the savepoint_set() ...
https://dev.mysql.com/doc/internals/en/implementing-savepoint-set-method.html
The savepoint_set() method is called whenever a user issues the SAVEPOINT statement: int (*savepoint_set)(THD *thd, void *sv); The *sv parameter points to an uninitialized storage area of the size defined by savepoint_offset. When savepoint_set() ...
https://dev.mysql.com/doc/internals/en/index.html
For help with using MySQL, please visit the MySQL Forums, where you can discuss your issues with other MySQL users.
https://dev.mysql.com/doc/internals/en/mysql-services-for-plugins.html
As of MySQL 5.5, plugins have access to server “services.” The services interface exposes server functionality that plugins can call. It complements the plugin API and has these characteristics: Services enable plugins to access code inside the ...