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--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;
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