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https://dev.mysql.com/doc/refman/9.7/en/mysqlbinlog.html
For example: # at 141 #100309 9:28:36 server id 123 end_log_pos 245 Query thread_id=3350 exec_time=11 error_code=0 In the first line, the number following at indicates the file offset, or starting position, of the event in the binary log file. Note ... The server's binary log consists of files containing “events” that describe modifications to database ...
https://dev.mysql.com/doc/refman/9.7/en/network-namespace-support.html
If an error occurs during server startup for attempts to use a namespace, the server does not start. If errors occur for X Plugin during plugin initialization such that it is unable to bind to any address, the plugin fails its initialization ... A ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-instrument-naming.html
Example names: wait/io/file/myisam/log wait/io/file/mysys/charset wait/lock/table/sql/handler wait/synch/cond/mysys/COND_alarm wait/synch/cond/sql/BINLOG::update_cond wait/synch/mutex/mysys/BITMAP_mutex wait/synch/mutex/sql/LOCK_delete ... An ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-replication-connection-status-table.html
LAST_ERROR_NUMBER, LAST_ERROR_MESSAGE The error number and error message of the most recent error that caused the I/O thread to stop. An error number of 0 and message of the empty string mean “no error.” If the LAST_ERROR_MESSAGE value is not ...
https://dev.mysql.com/doc/refman/9.7/en/persisted-system-variables.html
An error in a manually entered setting might not be discovered until much later. SET statements that persist system variables avoid the possibility of malformed settings because settings with syntax errors do not succeed and do not change server ...
https://dev.mysql.com/doc/refman/9.7/en/spatial-geohash-functions.html
If any argument has a longitude or latitude that is out of range, an error occurs: If a longitude value is not in the range (−180, 180], an ER_GEOMETRY_PARAM_LONGITUDE_OUT_OF_RANGE error occurs. If a latitude value is not in the range [−90, 90], ... Geohash is a system for encoding latitude and longitude coordinates of arbitrary precision into a text ...
https://dev.mysql.com/doc/refman/9.7/en/telemetry-logs-configuration.html
This can be set to one of the following values: none error warn info debug The following example changes the error logging level to WARNING: mysql> UPDATE performance_schema.setup_loggers SET LEVEL='WARN' performance_schema_max_logger_classes: this ...For information on the configured loggers, see Section 29.12.21.1, “The setup_loggers ...
https://dev.mysql.com/doc/refman/9.7/en/update.html
With the IGNORE modifier, the update statement does not abort even if errors occur during the update. Rows updated to values that would cause data conversion errors are updated to the closest valid values instead. (This is because the order in which ... UPDATE is a DML statement that modifies rows in a ...
https://dev.mysql.com/doc/refman/9.7/en/using-encrypted-connections.html
If the server automatically enables encrypted connection support, it writes a note to the error log. If the server discovers that the CA certificate is self-signed, it writes a warning to the error log. By default, the RELOAD TLS action rolls back ... Several configuration parameters are available to indicate whether to use encrypted connections, and to specify the appropriate certificate and key ...
https://dev.mysql.com/doc/c-api/9.7/en/c-api-multiple-queries.html
The status indicates whether the procedure succeeded or an error occurred. Otherwise, such procedures result in an error Error 1312 (0A000): PROCEDURE proc_name can't return a result set in the given context. The code as written distinguishes ... By ...