1SET @old_gtid_slave_pos= @@gtid_slave_pos; 2SET GLOBAL gtid_slave_pos= ''; 3SELECT @@gtid_slave_pos; 4@@gtid_slave_pos 5 6SET GLOBAL gtid_slave_pos= '1-2-3'; 7SELECT variable_value FROM information_schema.global_variables 8WHERE variable_name='gtid_slave_pos'; 9variable_value 101-2-3 11SET @@global.gtid_slave_pos= '1-2-4'; 12SELECT @@gtid_slave_pos; 13@@gtid_slave_pos 141-2-4 15SET GLOBAL gtid_slave_pos= ' 1-2-3'; 16SELECT @@gtid_slave_pos; 17@@gtid_slave_pos 181-2-3 19SET GLOBAL gtid_slave_pos= '1-2-3, 2-4-6'; 20SELECT @@gtid_slave_pos; 21@@gtid_slave_pos 221-2-3,2-4-6 23SET GLOBAL gtid_slave_pos= '-1-2-3'; 24ERROR HY000: Could not parse GTID list 25SET GLOBAL gtid_slave_pos= '1-2 -3'; 26ERROR HY000: Could not parse GTID list 27SET GLOBAL gtid_slave_pos= '1-2-3 '; 28ERROR HY000: Could not parse GTID list 29SET GLOBAL gtid_slave_pos= '1-2-3,2-4'; 30ERROR HY000: Could not parse GTID list 31SET GLOBAL gtid_slave_pos= '0-1-10,0-2-20'; 32ERROR HY000: GTID 0-2-20 and 0-1-10 conflict (duplicate domain id 0) 33SET GLOBAL gtid_slave_pos= '0-1-10,1-2-20,2-3-30,1-20-200,3-4-1'; 34ERROR HY000: GTID 1-20-200 and 1-2-20 conflict (duplicate domain id 1) 35SET gtid_slave_pos= ''; 36ERROR HY000: Variable 'gtid_slave_pos' is a GLOBAL variable and should be set with SET GLOBAL 37SET SESSION gtid_slave_pos= ''; 38ERROR HY000: Variable 'gtid_slave_pos' is a GLOBAL variable and should be set with SET GLOBAL 39SET GLOBAL gtid_slave_pos= '1-2-3,2-4-6'; 40SELECT @@gtid_slave_pos; 41@@gtid_slave_pos 421-2-3,2-4-6 43SET GLOBAL gtid_slave_pos= DEFAULT; 44ERROR 42000: Variable 'gtid_slave_pos' doesn't have a default value 45SELECT @@session.gtid_slave_pos; 46ERROR HY000: Variable 'gtid_slave_pos' is a GLOBAL variable 47SET GLOBAL gtid_slave_pos= @old_gtid_slave_pos; 48