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https://dev.mysql.com/doc/internals/en/closing-a-table.html
When the MySQL server is finished with a table, it will call the [custom-engine.html#custom-engine-api-reference-close close()] method to close file pointers and release any other resources.
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/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-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 ...
https://dev.mysql.com/doc/internals/en/implementing-index-next-method.html
The [custom-engine.html#custom-engine-api-reference-index_next index_next()] method is used for index scanning: int ha_foo::index_next(byte * buf) The *buf parameter is populated with the row that corresponds to the next matching key value ...
https://dev.mysql.com/doc/internals/en/implementing-index-prev-method.html
The [custom-engine.html#custom-engine-api-reference-index_prev index_prev()] method is used for reverse index scanning: int ha_foo::index_prev(byte * buf) The *buf parameter is populated with the row that corresponds to the previous matching key ...
https://dev.mysql.com/doc/internals/en/implementing-info-method.html
Prior to commencing a table scan, the [custom-engine.html#custom-engine-api-reference-info info()] method is called to provide extra table information to the optimizer. The information required by the optimizer is not given through return values ...
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 ...