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https://dev.mysql.com/doc/internals/en/com-process-info.html
Note As of MySQL 5.7.11, COM_PROCESS_INFO is deprecated and will be removed in a future version of MySQL. COM_PROCESS_INFO: get a list of active threads Returns a ProtocolText::Resultset or ERR_Packet Payload 1 [0a] COM_PROCCESS_INFO .
https://dev.mysql.com/doc/internals/en/support-for-delete.html
For non-indexed storage engines the parameter can be ignored, but transactional storage engines may need to store the deleted data for rollback purposes. The following example is from the CSV storage engine: int ha_tina::delete_row(const byte * buf) ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-0-26.html
Attributes defined using the set-attribute methods apply to the next SQL statement sent to the server for execution. If an attribute with a given name is defined multiple times, the last definition applies. Attributes are cleared after the statement ... Deprecation and Removal Notes Pluggable Authentication Functionality Added or Changed Bugs Fixed Deprecation and Removal Notes The TLSv1 and TLSv1.1 connection protocols now are deprecated and support for them is subject to removal in a future Connector/C++ ...
https://dev.mysql.com/doc/refman/8.4/en/alter-instance.html
ALTER INSTANCE instance_action instance_action: { | {ENABLE|DISABLE} INNODB REDO_LOG | ROTATE INNODB MASTER KEY | ROTATE BINLOG MASTER KEY | RELOAD TLS [FOR CHANNEL {mysql_main | mysql_admin}] [NO ROLLBACK ON ERROR] | RELOAD KEYRING } ALTER ...The ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-relation-functions-object-shapes.html
If any geometry argument is not a syntactically well-formed geometry, an ER_GIS_INVALID_DATA error occurs. If any geometry argument is a syntactically well-formed geometry in an undefined spatial reference system (SRS), an ER_SRS_NOT_FOUND error ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/mem-mysql-instance-dashboard-layout.html
Last Error Date Date and time of the last occurrence of this error. If the agent did not shutdown properly, if its host shutdown unexpectedly, or due to a network fault, the state displayed is TIMEDOUT. Last Seen Time and date at which the agent ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-system-tablespace.html
For example, this tablespace has one auto-extending data file: innodb_data_home_dir = innodb_data_file_path = /ibdata/ibdata1:10M:autoextend Suppose that the data file has grown to 988MB over time. If you encounter this error, restore the previous ... The system tablespace is the storage area for the change ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndbmtd.html
This can be done by setting an appropriate value in the config.ini file for the MaxNoOfExecutionThreads configuration parameter or the ThreadConfig configuration parameter. Trace files are generated by critical errors in ndbmtd processes in a ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/meb-troubleshooting.html
You can query those tables to monitor ongoing backup jobs, see how much time has been used for various stages, and check if any errors have occurred. If mysqlbackup encounters problems during operating system calls, it returns the corresponding OS ... To troubleshoot issues regarding backup and restore with the MySQL Enterprise Backup product, consider the following aspects: Before troubleshooting any problem, familiarize yourself with the known limits and restrictions on the product, in Appendix B, Limitations of MySQL Enterprise ...
https://dev.mysql.com/doc/c-api/8.4/en/c-api-building-clients.html
For example: gcc -o progname progname.o `mysql_config --libs` If an error occurs at link time that the floor symbol is undefined, link to the math library by adding -lm to the end of the compile/link line. For the MySQL C client library from a ...