# enum readonly # # show the global and session values; # select @@global.plugin_maturity; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.plugin_maturity; show global variables like 'plugin_maturity'; show session variables like 'plugin_maturity'; select * from information_schema.global_variables where variable_name='plugin_maturity'; select * from information_schema.session_variables where variable_name='plugin_maturity'; # # show that it's read-only # --error ER_INCORRECT_GLOBAL_LOCAL_VAR set global plugin_maturity=1; --error ER_INCORRECT_GLOBAL_LOCAL_VAR set session plugin_maturity=1;