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https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-monitoring.html
You can monitor the status and progress of a cloning operation on the recipient MySQL server instance using the clone_status and clone_progress Performance Schema tables. Note The clone_status and clone_progress Performance Schema tables can be used ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-options-variables.html
In this case, the server may also produce error messages for other clone settings because it does not recognize them. This section describes the system variables that control operation of the clone plugin. If values specified at startup are ...
https://dev.mysql.com/doc/refman/8.0/en/clone.html
An error is returned if the explicit specification cannot be satisfied. CLONE clone_action clone_action: { LOCAL DATA DIRECTORY [=] 'clone_dir'; | INSTANCE FROM 'user'@'host':port IDENTIFIED BY 'password' [DATA DIRECTORY [=] 'clone_dir'] [REQUIRE ...
https://dev.mysql.com/doc/refman/8.0/en/close.html
If not closed explicitly, a cursor is closed at the end of the BEGIN ...
https://dev.mysql.com/doc/refman/8.0/en/compiling-for-debugging.html
If they find something “unexpected,” an entry is written to stderr, which mysqld_safe directs to the error log! This also means that if you are having some unexpected problems with MySQL and are using a source distribution, the first thing you ... If you have some very specific problem, you can always try to debug ...
https://dev.mysql.com/doc/refman/8.0/en/condition-handling-restrictions.html
In MySQL, this is not guaranteed, so to get the main error, you cannot do this: GET DIAGNOSTICS CONDITION 1 @errno = MYSQL_ERRNO; Instead, do this: GET DIAGNOSTICS @cno = NUMBER; GET DIAGNOSTICS CONDITION @cno @errno = MYSQL_ERRNO; . SIGNAL, ...
https://dev.mysql.com/doc/refman/8.0/en/conditions-and-parameters.html
If the exception is an error, the values of OUT and INOUT parameters are not propagated back to the caller. If a stored procedure exits with an unhandled exception, modified values of OUT and INOUT parameters are not propagated back to the caller.
https://dev.mysql.com/doc/refman/8.0/en/connecting-using-uri-or-key-value-pairs.html
If a parameter is specified more than once, an error occurs. In URI-like strings, they must be encoded, using either percent encoding or by surrounding the path with parentheses. Parentheses eliminate the need to percent encode characters such as ...
https://dev.mysql.com/doc/refman/8.0/en/connection-interfaces.html
If the server refuses a connection because the max_connections limit is reached, it increments the Connection_errors_max_connections status variable. This section describes aspects of how the MySQL server manages client connections. Network ...
https://dev.mysql.com/doc/refman/8.0/en/connection-options.html
If a client attempts to connect using these protocols, for TCP connections, the connection fails, and an error is returned to the client. This section describes options supported by most MySQL client programs that control how client programs ...