SET @start_global_value = @@global.log_slow_rate_limit;
select @@global.log_slow_rate_limit;
@@global.log_slow_rate_limit
1
select @@session.log_slow_rate_limit;
@@session.log_slow_rate_limit
1
show global variables like 'log_slow_rate_limit';
Variable_name	Value
log_slow_rate_limit	1
show session variables like 'log_slow_rate_limit';
Variable_name	Value
log_slow_rate_limit	1
select * from information_schema.global_variables where variable_name='log_slow_rate_limit';
VARIABLE_NAME	VARIABLE_VALUE
LOG_SLOW_RATE_LIMIT	1
select * from information_schema.session_variables where variable_name='log_slow_rate_limit';
VARIABLE_NAME	VARIABLE_VALUE
LOG_SLOW_RATE_LIMIT	1
set global log_slow_rate_limit=10;
select @@global.log_slow_rate_limit;
@@global.log_slow_rate_limit
10
set session log_slow_rate_limit=10;
select @@session.log_slow_rate_limit;
@@session.log_slow_rate_limit
10
set global log_slow_rate_limit=1.1;
ERROR 42000: Incorrect argument type to variable 'log_slow_rate_limit'
set session log_slow_rate_limit=1e1;
ERROR 42000: Incorrect argument type to variable 'log_slow_rate_limit'
set global log_slow_rate_limit="foo";
ERROR 42000: Incorrect argument type to variable 'log_slow_rate_limit'
set global log_slow_rate_limit=0;
Warnings:
Warning	1292	Truncated incorrect log_slow_rate_limit value: '0'
select @@global.log_slow_rate_limit;
@@global.log_slow_rate_limit
1
set session log_slow_rate_limit=cast(-1 as unsigned int);
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
Warning	1292	Truncated incorrect log_slow_rate_limit value: '18446744073709551615'
select @@session.log_slow_rate_limit;
@@session.log_slow_rate_limit
4294967295
SET @@global.log_slow_rate_limit = @start_global_value;