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https://dev.mysql.com/doc/refman/8.4/en/innochecksum.html
Attempting to run innochecksum on a tablespace that the server already has open results in an Unable to lock file error. Example usage: innochecksum --version --verbose, -v Command-Line Format --verbose Type Boolean Default Value false Verbose mode; ...This tool reads an InnoDB tablespace file, calculates the checksum for each page, compares the calculated checksum to the stored checksum, and reports mismatches, which indicate damaged ...
https://dev.mysql.com/doc/connectors/en/connector-net-programming-trace-source.html
This value is defined by the MySqlTraceEventType public enum contained in the Connector/NET code: public enum MySqlTraceEventType : int { ConnectionOpened = 1, ConnectionClosed, QueryOpened, ResultOpened, ResultClosed, QueryClosed, ...Trace switches ... The .NET tracing architecture consists of four main parts: Source - This is the originator of the trace ...
https://dev.mysql.com/doc/refman/8.4/en/dbug-package.html
Here are some example debug control strings as they might be specified on a shell command line: --debug=d:t --debug=d:f,main,subr1:F:L:t,20 --debug=d,input,output,files:n --debug=d:t:i:O,\\mysqld.trace For mysqld, it is also possible to change DBUG ... The MySQL server and most MySQL clients are compiled with the DBUG package originally created by Fred ...
https://dev.mysql.com/doc/refman/8.4/en/revoke.html
Otherwise, REVOKE executes normally; if the user does not exist, the statement raises an error. Otherwise, the statement executes as usual, and attempting to revoke a privilege not assigned to the target for whatever reason raises an error, as ...
https://dev.mysql.com/doc/internals/en/bitmaps.html
Second: the whole bitmap might have to be protected by a mutex for manipulations; this is settable by passing appropriate flag values. Specifically there are functions for setup or teardown (bitmap_init, bitmap_free), for setting and clearing ...
https://dev.mysql.com/doc/internals/en/source-files-related-to-the-binary-log.html
rpl_utility.h /rpl_utility.cc: Contains auxiliary classes and functions used for Table_map_events, and also an auxiliary class for smart pointers sql_binlog.cc : Code to execute BINLOG statements (the base64-encoded values that mysqlbinlog prints ...
https://dev.mysql.com/doc/c-api/8.4/en/c-api-prepared-statement-interface-usage.html
To prepare and execute a statement, an application follows these steps: Create a prepared statement handler with mysql_stmt_init(). You can repeat the mysql_stmt_execute() to re-execute the statement by changing parameter values in the respective ...To prepare the statement on the server, call mysql_stmt_prepare() and pass it a string containing the SQL ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-restarting-group.html
In that situation, to re-create the group, it must be started by bootstrapping as if it was being started for the first time. For Group Replication, this includes both transactions that have been committed and applied, which are in the gtid_executed ... Group Replication is designed to ensure that the database service is continuously available, even if some of the servers that form the group are currently unable to participate in it due to planned maintenance or unplanned ...
https://dev.mysql.com/doc/refman/8.4/en/memory-use.html
A buffer pool that is too small may cause excessive churning as pages are flushed from the buffer pool only to be required again a short time later. For each concurrent thread, a table structure, column structures for each column, and a buffer of ...
https://dev.mysql.com/doc/x-devapi-userguide-shell-js/en/collection-modify.html
They can be chained one after another and for multiple times: Notes The _id of a document cannot be modified or removed by the methods below. An error is returned if no DocPath is supplied, or if DocPath is $ (use remove() instead if you want to ...