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https://dev.mysql.com/doc/internals/en/coding-guidelines.html
The content formerly located in this chapter is now maintained in the Coding Guidelines section of the MySQL Server Doxygen documentation, available at https://dev.mysql.com/doc/index-other.html.
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/defining-filename-extensions.html
Storage engines are required to provide the MySQL server with a list of extensions used by the storage engine with regard to a given table, its data and indexes. Extensions are expected in the form of a null-terminated string array.
https://dev.mysql.com/doc/internals/en/delete-table.html
Synopsis virtual int delete_table ( name); const char * name ; Description This is the delete_table method. By the time delete_table() has been called all opened references to this table will have been closed (and your globally shared references ...
https://dev.mysql.com/doc/internals/en/good-tests.html
There are a lot of strict rules and rules of thumb which may increase the quality of tests written for the tool pair mysqltest/mysqltest-run.pl (MTR). See the Writing Test Cases section of the MySQL Server Doxygen documentation, available at ...
https://dev.mysql.com/doc/internals/en/implementing-commit.html
During a commit operation, all changes made during a transaction are made permanent and a rollback operation is not possible after that. Depending on the transaction isolation used, this may be the first time such changes are visible to other ...
https://dev.mysql.com/doc/internals/en/implementing-external-lock-method.html
The [custom-engine.html#custom-engine-api-reference-external_lock external_lock()] method is called at the start of a statement or when a LOCK TABLES statement is issued. Examples of using external_lock() can be found in the sql/ha_innodb.cc file, ...
https://dev.mysql.com/doc/internals/en/implementing-extra-method.html
Prior to some operations, the [custom-engine.html#custom-engine-api-reference-extra extra()] method is called to provide extra hints to the storage engine on how to perform certain operations. Implementation of the hints in the extra call is not ...
https://dev.mysql.com/doc/internals/en/implementing-index-first-method.html
The [custom-engine.html#custom-engine-api-reference-index_first index_first()] method is used for index scanning: int ha_foo::index_first(byte * buf) The *buf parameter is populated with the row that corresponds to the first key value in the index.
https://dev.mysql.com/doc/internals/en/implementing-index-last-method.html
The [custom-engine.html#custom-engine-api-reference-index_last index_last()] method is used for reverse index scanning: int ha_foo::index_last(byte * buf) The *buf parameter is populated with the row that corresponds to the last key value in the ...