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https://dev.mysql.com/doc/refman/8.4/en/precision-math-examples.html
The floating-point calculation introduces small errors: +--------+------------------+ | d | f | +--------+------------------+ | 1.0000 | 0.99999999999991 | +--------+------------------+ Example 2. In strict mode, inserting a value that is out of ...
https://dev.mysql.com/doc/refman/8.4/en/replication-mode-change-online-concepts.html
Before setting the replication mode of an online server, it is important to understand some key concepts of replication. This section explains these concepts and is essential reading before attempting to modify the replication mode of an online ...
https://dev.mysql.com/doc/refman/8.4/en/replication-options-reference.html
replica_exec_mode: Allows for switching replication thread between IDEMPOTENT mode (key and some other errors suppressed) and STRICT mode; STRICT mode is default, except for NDB Cluster, where IDEMPOTENT is always used. replica_skip_errors: Tells ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-relation-functions-mbr.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/refman/8.4/en/stored-objects-security.html
For an event, an error occurs at event execution time if the account does not exist. For a view, an error occurs when the view is referenced if the SQL SECURITY value is DEFINER but the definer account does not exist. (That is, the statement fails ... Stored programs (procedures, functions, triggers, and events) and views are defined prior to use and, when referenced, execute within a security context that determines their ...
https://dev.mysql.com/doc/refman/8.4/en/x-plugin-options-system-variables.html
Important Because X Plugin is not a mandatory plugin, it does not prevent server startup if there is an error in the specified address or list of addresses (as MySQL Server does for bind_address errors). With X Plugin, if one of the listed addresses ... To control activation of X Plugin, use this option: --mysqlx[=value] Command-Line Format --mysqlx[=value] Type Enumeration Default Value ON Valid Values ONOFFFORCEFORCE_PLUS_PERMANENT This option controls how the server loads X Plugin at ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/meb-exitcodes.html
MySQL Enterprise Backup returns one of the following exit codes as it exits an operation. The meaning of each code is explained in Table 17.1, “MySQL Enterprise Backup Exit Codes and Messages” by its associated exit message. Users can, for ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-reset.html
Otherwise, the command fails, as shown here: mcm> reset DataMemory mycluster; ERROR 3 (00MGR): Illegal syntax You also cannot revert all configuration attributes for a given process type or instance of a process using a single filter specification; ... reset [--sequential-restart] filter_specification_list cluster_name filter_specification_list: filter_specification[,filter_specification][,...] filter_specification: attribute_name[:process_specification][+process_specification]] process_specification: [process_name][:process_id] process_name: {ndb_mgmd|ndbd|ndbmtd|mysqld|ndbapi} This command resets an attribute to its default ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-load-plugin.html
An error occurs if the type is invalid or the plugin cannot be loaded. An error occurs if you try to load a plugin of a type already loaded. Errors To check for errors, call the mysql_error() or mysql_errno() function. Example MYSQL mysql; ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/services-for-plugins.html
my_plugin_log_service: A service that enables plugins to report errors and specify error messages. To report an error that the server will write to it error log, first choose an error level. mysql/service_my_plugin_log.h defines these levels: enum ... MySQL server plugins have access to server “plugin services.” The plugin services interface exposes server functionality that plugins can ...