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https://dev.mysql.com/doc/c-api/8.4/en/mysql-stmt-fetch.html
Error code and message can be obtained by calling mysql_stmt_errno() and mysql_stmt_error(). To determine which column values were truncated when this value is returned, check the error members of the MYSQL_BIND structures used for fetching values.
https://dev.mysql.com/doc/refman/8.4/en/host-cache.html
The MySQL server maintains an in-memory host cache that contains information about clients: IP address, host name, and error information. The cache contains information about errors that occur during the client connection process. Some errors are ...The Performance Schema host_cache table exposes the contents of the host cache so that it can be examined using SELECT ...
https://dev.mysql.com/doc/relnotes/mysql-shell/8.4/en/news-8-4-3.html
(Bug #36657936) If clone-based recovery failed while adding an instance, the instance and Cluster could be left in an inconsistent state, returning multiple errors, and unrecoverable by rescan(). add_instance() did not properly handle clone-related ... AdminAPI Bugs Fixed Utilities Added or Changed Functionality Utilities Bugs Fixed Bugs Fixed AdminAPI Bugs Fixed Running a rescan() operation on a Replica Cluster, could result in a warning that group_replication_view_change_uuid is required, but not ...
https://dev.mysql.com/doc/refman/8.4/en/source-configuration-options.html
If it is desired to compile without particular types of instrumentation, that can be done with the following CMake options: DISABLE_PSI_COND DISABLE_PSI_DATA_LOCK DISABLE_PSI_ERROR DISABLE_PSI_FILE DISABLE_PSI_IDLE DISABLE_PSI_MEMORY ... The CMake ...
https://dev.mysql.com/doc/refman/8.4/en/bug-reports.html
If the problem occurs during compilation, include the exact error messages and also a few lines of context around the offending code in the file where the error occurs. If you get a parse error for an SQL statement, please check your syntax closely.
https://dev.mysql.com/doc/mysql-monitor/8.0/en/admin-advisors-reference.html
The general query log can be very useful when you suspect an error in a client and want to know exactly what the client sent to mysqld. The cache contains information about errors that occur during the connection process. If the host cache is not ...
https://dev.mysql.com/doc/refman/8.4/en/replication-options-binary-log.html
If you specify --log-replica-updates or --replica-preserve-commit-order together with --skip-log-bin or --disable-log-bin, a warning or error message is issued. Setting this variable on the source to a value unrecognized by the replica causes the ...
https://dev.mysql.com/doc/refman/8.4/en/windows-troubleshooting.html
When installing and running MySQL for the first time, you may encounter certain errors that prevent the MySQL server from starting. This section helps you diagnose and correct some of these errors. Your first resource when troubleshooting server ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-1.html
Now pruning continues in such cases, but with a warning printed in the error log stating that it was not possible to delete the missing audit log file. Authentication Notes Improved log messages to provide clear reasons for Access denied errors when ...It was removed due to a critical issue that could stop the server from restarting following the creation of a very large number of tables (8001 or ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-set.html
Attempting to do either of these things causes an error, as shown here: mcm> set DataDir=/var/cluster-data mycluster; ERROR 3 (00MGR): Illegal syntax mcm> set DataDir:ndb_mgmd,ndbd,mysqld=/var/cluster-data mycluster; ERROR 3 (00MGR): Illegal syntax ...Attributes can be set on either the process level or instance ...