Edit File: debug_basic.test
--source include/have_debug.inc # # exists both as global and session # set session debug="L"; select @@global.debug="1"; # just to show that global.debug exists select @@session.debug; # here we know the value and can display it --replace_column 2 # show global variables like 'debug'; show session variables like 'debug'; --replace_column 2 # select * from information_schema.global_variables where variable_name="debug"; select * from information_schema.session_variables where variable_name="debug"; --error ER_WRONG_TYPE_FOR_VAR set @@global.debug=1; --error ER_WRONG_TYPE_FOR_VAR set @@global.debug=1.1; --error ER_WRONG_TYPE_FOR_VAR set @@global.debug=1e1;