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https://dev.mysql.com/doc/internals/en/describing-packets.html
If a field has a fixed value, its description shows it as a hex value in brackets like this: [00] .
https://dev.mysql.com/doc/internals/en/implementing-position-method.html
The [custom-engine.html#custom-engine-api-reference-position position()] method is called after every call to rnd_next() if the data needs to be reordered: void ha_foo::position(const byte *record) It stores a "position" of a record in this->ref.
https://dev.mysql.com/doc/internals/en/implementing-rollback.html
Of the two major transactional operations, ROLLBACK is the more complicated to implement. All operations that occurred during the transaction must be reversed so that all rows are unchanged from before the transaction began. To support ROLLBACK, ...
https://dev.mysql.com/doc/internals/en/netware-directory.html
(.def is a common filename extension for "definition".) The three *.sql files are short scripts of SQL statements used in testing.
https://dev.mysql.com/doc/relnotes/mysql-monitor/8.0/en/news-8-0-20.html
Functionality Added or Changed Bugs Fixed Functionality Added or Changed It is now possible to check the blackout status of a MySQL Enterprise Monitor Agent or MySQL instance. This functionality is offered as a REST API and is accessible from the ...
https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-download.html
To download the latest MySQL Enterprise Edition for Linux x86-64 generic binary package, perform the following steps. If you already have the latest package, you can skip this procedure. On the Oracle Software Delivery Cloud page: Select Release ...
https://dev.mysql.com/doc/refman/8.4/en/stop-replica.html
When the timeout value is reached, the issuing client returns an error message and stops waiting, but the STOP REPLICA instruction remains in effect. If the replica is stopped unexpectedly (for example due to an error in a worker thread, or another ...Recommended best practice is to execute STOP REPLICA on the replica before stopping the replica server (see Section 7.1.19, “The Server Shutdown Process”, for more ...
https://dev.mysql.com/doc/refman/8.4/en/replication-privilege-checks-recover.html
You can use mysqlbinlog to retrieve and display the events that were logged around the time of the error. If a privilege check against the PRIVILEGE_CHECKS_USER account fails, the transaction is not executed and replication stops for the channel.
https://dev.mysql.com/doc/refman/8.4/en/json-attribute-functions.html
An error occurs if the argument is not a valid JSON document. An error occurs if the json_doc argument is not a valid JSON document or the path argument is not a valid path expression. The functions in this section return attributes of JSON values.
https://dev.mysql.com/doc/refman/8.4/en/innodb-page-compression.html
Hole punching size is the NTFS compression unit, which is 16 times the NTFS cluster size. This means that page compression has no benefit for an out-of-the box Windows NTFS configuration, as the maximum innodb_page_size is also 64KB. FILE_SIZE: The ... InnoDB supports page-level compression for tables that reside in file-per-table ...