Edit File: flush_time_basic.test
SET @start_global_value = @@global.flush_time; # # exists as global only # select @@global.flush_time; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.flush_time; show global variables like 'flush_time'; show session variables like 'flush_time'; select * from information_schema.global_variables where variable_name='flush_time'; select * from information_schema.session_variables where variable_name='flush_time'; # # show that it's writable # set global flush_time=1; select @@global.flush_time; --error ER_GLOBAL_VARIABLE set session flush_time=1; # # incorrect types # --error ER_WRONG_TYPE_FOR_VAR set global flush_time=1.1; --error ER_WRONG_TYPE_FOR_VAR set global flush_time=1e1; --error ER_WRONG_TYPE_FOR_VAR set global flush_time="foo"; # # min/max values # set global flush_time=0; select @@global.flush_time; set global flush_time=cast(-1 as unsigned int); select @@global.flush_time; SET @@global.flush_time = @start_global_value;