# enum global --source include/have_maria.inc SET @start_global_value = @@global.aria_group_commit; # # exists as global only # select @@global.aria_group_commit; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.aria_group_commit; show global variables like 'aria_group_commit'; show session variables like 'aria_group_commit'; select * from information_schema.global_variables where variable_name='aria_group_commit'; select * from information_schema.session_variables where variable_name='aria_group_commit'; # # show that it's writable # set global aria_group_commit=1; select @@global.aria_group_commit; --error ER_GLOBAL_VARIABLE set session aria_group_commit=1; # # all valid values # set global aria_group_commit=none; select @@global.aria_group_commit; set global aria_group_commit=hard; select @@global.aria_group_commit; set global aria_group_commit=soft; select @@global.aria_group_commit; # # incorrect types/values # --error ER_WRONG_TYPE_FOR_VAR set global aria_group_commit=1.1; --error ER_WRONG_TYPE_FOR_VAR set global aria_group_commit=1e1; --error ER_WRONG_VALUE_FOR_VAR set global aria_group_commit="foo"; --error ER_WRONG_VALUE_FOR_VAR set global aria_group_commit=3; SET @@global.aria_group_commit = @start_global_value;