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