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SET @start_global_value = @@global.thread_pool_idle_timeout;
select @@global.thread_pool_idle_timeout;
@@global.thread_pool_idle_timeout
60
select @@session.thread_pool_idle_timeout;
ERROR HY000: Variable 'thread_pool_idle_timeout' is a GLOBAL variable
show global variables like 'thread_pool_idle_timeout';
Variable_name Value
thread_pool_idle_timeout 60
show session variables like 'thread_pool_idle_timeout';
Variable_name Value
thread_pool_idle_timeout 60
select * from information_schema.global_variables where variable_name='thread_pool_idle_timeout';
VARIABLE_NAME VARIABLE_VALUE
THREAD_POOL_IDLE_TIMEOUT 60
select * from information_schema.session_variables where variable_name='thread_pool_idle_timeout';
VARIABLE_NAME VARIABLE_VALUE
THREAD_POOL_IDLE_TIMEOUT 60
set global thread_pool_idle_timeout=60;
select @@global.thread_pool_idle_timeout;
@@global.thread_pool_idle_timeout
60
set global thread_pool_idle_timeout=4294967295;
select @@global.thread_pool_idle_timeout;
@@global.thread_pool_idle_timeout
4294967295
set session thread_pool_idle_timeout=1;
ERROR HY000: Variable 'thread_pool_idle_timeout' is a GLOBAL variable and should be set with SET GLOBAL
set global thread_pool_idle_timeout=1.1;
ERROR 42000: Incorrect argument type to variable 'thread_pool_idle_timeout'
set global thread_pool_idle_timeout=1e1;
ERROR 42000: Incorrect argument type to variable 'thread_pool_idle_timeout'
set global thread_pool_idle_timeout="foo";
ERROR 42000: Incorrect argument type to variable 'thread_pool_idle_timeout'
set global thread_pool_idle_timeout=-1;
Warnings:
Warning 1292 Truncated incorrect thread_pool_idle_timeout value: '-1'
select @@global.thread_pool_idle_timeout;
@@global.thread_pool_idle_timeout
1
set global thread_pool_idle_timeout=10000000000;
Warnings:
Warning 1292 Truncated incorrect thread_pool_idle_timeout value: '10000000000'
select @@global.thread_pool_idle_timeout;
@@global.thread_pool_idle_timeout
4294967295
SET @@global.thread_pool_idle_timeout = @start_global_value;
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