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set session debug="L";
select @@global.debug="1";
@@global.debug="1"
0
select @@session.debug;
@@session.debug
L
show global variables like 'debug';
Variable_name Value
debug #
show session variables like 'debug';
Variable_name Value
debug L
select * from information_schema.global_variables where variable_name="debug";
VARIABLE_NAME VARIABLE_VALUE
DEBUG #
select * from information_schema.session_variables where variable_name="debug";
VARIABLE_NAME VARIABLE_VALUE
DEBUG L
set @@global.debug=1;
ERROR 42000: Incorrect argument type to variable 'debug'
set @@global.debug=1.1;
ERROR 42000: Incorrect argument type to variable 'debug'
set @@global.debug=1e1;
ERROR 42000: Incorrect argument type to variable 'debug'
|
