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