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https://dev.mysql.com/doc/refman/8.4/en/regexp.html
Use of a binary string with any of the MySQL regular expression functions is rejected with ER_CHARACTER_SET_MISMATCH. This section discusses the functions and operators available for regular expression matching and illustrates, with examples, some ...MySQL implements regular expression support using International Components for Unicode (ICU), which provides full Unicode support and is multibyte ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-system-variables.html
To use this function, both the donor and the joining member must be set up beforehand to support cloning. group_replication_communication_debug_options Command-Line Format --group-replication-communication-debug-options=value System Variable ...
https://dev.mysql.com/doc/internals/en/cmd-line-utils-directory.html
The \libedit (library of edit functions) subdirectory has files written by Christos Zoulas. All the files here are "non-MySQL" files, in the sense that MySQL AB didn't produce them, it just uses them. It should be unnecessary to study the programs ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-hashicorp-plugin.html
The keyring_hashicorp plugin supports the functions that comprise the standard MySQL Keyring service interface. Keyring operations performed by those functions are accessible at two levels: SQL interface: In SQL statements, call the functions ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-1.html
(Bug #36563773) The following files in strings contained incorrect license information: mb_wc.h ctype-uca.cc ctype-ucs2.cc ctype-utf8.cc dtoa.cc strxmov.cc strxnmov.cc (Bug #36506181) In certain unusual cases, the UpdateXML() function did not ...It ...
https://dev.mysql.com/doc/mysql-shell/9.4/en/mysql-connections-in-javascript-and-python.html
The connection data for all these functions can be specified as a URI-like connection string, or as a dictionary of key-value pairs. You can use functions available in JavaScript and Python mode to create multiple session objects of your chosen ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-overview.html
The user-selected rule by which the division of data is accomplished is known as a partitioning function, which in MySQL can be the modulus, simple matching against a set of ranges or value lists, an internal hashing function, or a linear hashing ...
https://dev.mysql.com/doc/refman/8.4/en/upgrade-troubleshooting.html
If you have created a loadable function with a given name and upgrade MySQL to a version that implements a new built-in function with the same name, the loadable function becomes inaccessible. To correct this, use DROP FUNCTION to drop the loadable ... A schema mismatch in a MySQL 8.3 instance between the .frm file of a table and the InnoDB data dictionary can cause an upgrade to MySQL 8.4 to ...
https://dev.mysql.com/doc/mysql-shell/9.4/en/mysql-shell-plugins-examples.html
Example 11.3 MySQL Shell plugin containing a report and an extension object This example defines a function show_processes() to display the currently running processes, and a function kill_process() to kill a process with a specified ID. The code ...
https://dev.mysql.com/doc/refman/8.4/en/audit-api-message-emit.html
The audit_api_message_emit component enables applications to add their own message events to the audit log, using the audit_api_message_emit_udf() function. Installing or Uninstalling the Audit Message Component Audit Message Function Installing or ...For concreteness, examples use the audit_log plugin described in Section 8.4.5, “MySQL Enterprise ...