# uint global --source include/not_embedded.inc --source include/not_aix.inc SET @start_global_value = @@global.thread_pool_stall_limit; # # exists as global only # select @@global.thread_pool_stall_limit; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.thread_pool_stall_limit; show global variables like 'thread_pool_stall_limit'; show session variables like 'thread_pool_stall_limit'; select * from information_schema.global_variables where variable_name='thread_pool_stall_limit'; select * from information_schema.session_variables where variable_name='thread_pool_stall_limit'; # # show that it's writable # set global thread_pool_stall_limit=60; select @@global.thread_pool_stall_limit; set global thread_pool_stall_limit=4294967295; select @@global.thread_pool_stall_limit; --error ER_GLOBAL_VARIABLE set session thread_pool_stall_limit=1; # # incorrect types # --error ER_WRONG_TYPE_FOR_VAR set global thread_pool_stall_limit=1.1; --error ER_WRONG_TYPE_FOR_VAR set global thread_pool_stall_limit=1e1; --error ER_WRONG_TYPE_FOR_VAR set global thread_pool_stall_limit="foo"; set global thread_pool_stall_limit=-1; select @@global.thread_pool_stall_limit; set global thread_pool_stall_limit=10000000000; select @@global.thread_pool_stall_limit; set @@global.thread_pool_stall_limit = @start_global_value;