1SET GLOBAL gtid_current_pos= ''; 2ERROR HY000: Variable 'gtid_current_pos' is a read only variable 3SELECT variable_name FROM information_schema.global_variables 4WHERE variable_name='gtid_current_pos'; 5variable_name 6GTID_CURRENT_POS 7SELECT @@gtid_current_pos; 8SELECT @@session.gtid_current_pos; 9ERROR HY000: Variable 'gtid_current_pos' is a GLOBAL variable 10