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https://dev.mysql.com/doc/extending-mysql/8.4/en/plugin-status-system-variables.html
The st_mysql_sys_var structure is defined as follows: struct st_mysql_sys_var { int flags; const char *name, *comment; int (*check)(THD*, struct st_mysql_sys_var *, void*, st_mysql_value*); void (*update)(THD*, struct st_mysql_sys_var *, void*, ...
https://dev.mysql.com/doc/mysql-shell/9.4/en/upgrade-mysql-replicaset-from-8027to8028.html
Navigate to the directory and issue this command: ./start.sh If the path to the new router has changed, you must update the start.sh shell script to reflect the path. #!/bin/bash basedir=/tmp/myrouter ROUTER_PID=$basedir/mysqlrouter.pid ... To ...
https://dev.mysql.com/doc/refman/8.4/en/type-conversion.html
The following rules describe how conversion occurs for comparison operations: If one or both arguments are NULL, the result of the comparison is NULL, except for the NULL-safe <=> equality comparison operator. To be safe, always use complete ...
https://dev.mysql.com/doc/refman/8.4/en/replication-solutions-unexpected-replica-halt.html
In order for replication to be resilient to unexpected halts of the server (sometimes described as crash-safe) it must be possible for the replica to recover its state before halting. Updates to the applier metadata repository are committed ...This ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-1.html
(Bug #36399256) Maintainer mode is now disabled when building the debug version of the server for .deb packages. (Bug #28341329) Configuration Notes Microsoft Windows: On Windows, MySQL Configurator was updated to support in-place upgrades as per ...
https://dev.mysql.com/doc/refman/8.4/en/built-in-function-reference.html
The following table lists each built-in (native) function and operator and provides a short description of each one. For a table listing functions that are loadable at runtime, see Section 14.2, “Loadable Function Reference”. ->> Return value ...
https://dev.mysql.com/doc/refman/8.4/en/range-optimization.html
For UPDATE and DELETE statements, if the optimizer falls back to a full table scan and the sql_safe_updates system variable is enabled, an error occurs rather than a warning because, in effect, no key is used to determine which rows to modify. To ...
https://dev.mysql.com/doc/refman/8.4/en/partial-revokes.html
It is possible to grant privileges that apply globally if the partial_revokes system variable is enabled. Specifically, for users who have privileges at the global level, partial_revokes enables privileges for specific schemas to be revoked while ...
https://dev.mysql.com/doc/refman/8.4/en/replication-mode-change-online.html
This section describes how to change the mode of replication from and to GTID mode without having to take the server offline.
https://dev.mysql.com/doc/mysql-shell/9.4/en/mysql-shell-utilities-load-dump.html
To apply these GTIDs on the target MySQL instance for use with replication, use the updateGtidSet option or import them manually, depending on the release of the target MySQL instance and the MySQL Shell release. The default is true if stdout is a ... MySQL Shell's dump loading utility util.loadDump() supports the import into a MySQL HeatWave Service DB System or a MySQL Server instance of schemas or tables dumped using MySQL Shell's Section 12.5, “Instance Dump Utility, Schema Dump Utility, and Table Dump ...