sys_get_config

The sys_get_config function retrieves the value of a specified configuration option from the sys_config table, or a user variable if set.

Sys Schema is available from MariaDB 10.6.

Syntax

sys.sys_get_config(name,default)

Description

sys_get_config is a stored function available with the Sys Schema.

The function returns a configuration option value from the sys_config table. It takes two arguments; name, a configuration option name, and default, which is returned if the given option does not exist in the table.

Both arguments are VARCHAR(128) and can be NULL. Returns NULL if name is NULL, or if the given option is not found and default is NULL.

Examples

SELECT sys.sys_get_config('ps_thread_trx_info.max_length',NULL);
+----------------------------------------------------------+
| sys.sys_get_config('ps_thread_trx_info.max_length',NULL) |
+----------------------------------------------------------+
| 65535                                                    |
+----------------------------------------------------------+

See Also

• Sys Schema sys_config Table

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