From MySQL 8.0.24, SQL statements that you issue in
MySQL Shell’s SQL mode can be sent to the operating system’s
system logging facility. On Unix, this is
Windows, it is the Windows Event Log. The destination where logged
messages appear is system dependent. On Linux, the destination is
When you activate system logging for SQL statements, the following items are written to the system logging facility:
SQL statements that you issue interactively in MySQL Shell’s SQL mode.
Single SQL statements that you execute by entering them immediately after the
Instances of the
\sourcecommand that you issue interactively in MySQL Shell’s SQL mode.
The following items are excluded and are not written to the system logging facility:
The contents of a script file that you execute using the
\sourcecommand. Only the
\sourcecommand itself is written to the system logging facility.
SQL statements that MySQL Shell executes itself in the course of AdminAPI operations. You can log these to the MySQL Shell application log file, as explained in Section 12.5, “Logging AdminAPI Operations”.
SQL statements that would be excluded from the MySQL Shell code history, as specified by the
history.sql.ignorePatternMySQL Shell configuration option, or the
--histignorecommand-line option (which sets the value of
history.sql.ignorePatternfor the current session only).
To send SQL statements that you issue in MySQL Shell’s SQL mode to the operating system’s system logging facility, choose one of these options:
--syslogcommand-line option when starting MySQL Shell.
Use the MySQL Shell
\optioncommand to set the
history.sql.syslogMySQL Shell configuration option. For instructions to use this command, see Section 13.4, “Configuring MySQL Shell Options”.
shell.optionsobject to set the
history.sql.syslogMySQL Shell configuration option. For instructions to use this configuration interface, see Section 13.4, “Configuring MySQL Shell Options”.
System logging for SQL statements only takes place when
MySQL Shell is started in interactive mode, so either a normal
start or a start with the
--interactive option. It does not
take place if the
--file options are used at startup
mysqlsh in batch mode to process a
command or file.
The log message for an SQL statement is formatted as a series of key-value pairs separated by a space character. The key-value pairs are as follows:
- SYSTEM_USER =
The login name of the operating system user, or
--if this user name is unknown.
- MYSQL_USER =
The name of the MySQL user, or
--if this user name is unknown.
- CONNECTION_ID =
The identifier for the MySQL Shell connection.
- DB_SERVER =
The server’s host name, or
--if the host name is unknown.
- DB =
The default database, or
--if no database has been selected.
- QUERY =
The text of the logged SQL statement.
The log message is truncated to 1024 bytes if it exceeds that length.
Here is a sample of output generated on Linux by using
--syslog. This output is formatted for readability;
each logged message actually takes a single line.
Mar 1 17:35:33 myhost mysqlsh: SYSTEM_USER=hanna_j MYSQL_USER=hanna CONNECTION_ID=14 DB_SERVER=localhost DB='--' QUERY='create table test.test (c int, my_row_id BIGINT AUTO_INCREMENT INVISIBLE PRIMARY KEY);'