| Server IP : 88.99.149.37 / Your IP : 216.73.216.141 Web Server : nginx/1.31.2 System : Linux server-88-99-149-37 6.12.0-124.56.5.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 06:12:08 EDT 2026 x86_64 User : muralimurth ( 1015) PHP Version : 8.4.23 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/local/mysql/mysql-test/suite/rpl/r/ |
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include/rpl_init.inc [topology=1->2->3->4] connection server_3; set global gtid_strict_mode=1; include/stop_slave.inc SET GLOBAL slave_parallel_threads=10; set global slave_parallel_mode=optimistic; change master to master_use_gtid=slave_pos; include/start_slave.inc connection server_1; set global binlog_alter_two_phase=ON; set binlog_alter_two_phase=ON; connect master_node,127.0.0.1,root,,$db_name, $SERVER_MYPORT_1; connect slave_node,127.0.0.1,root,,test, $SERVER_MYPORT_2; # innodb connection master_node; create table t1(a int, b int) engine=innodb;; insert into t1 values(1,1); insert into t1 values(2,2); # Normal Alter alter table t1 add column c int; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci # Failed Alter insert into t1 values(1,1, NULL); alter table t1 change a a int unique; ERROR 23000: Duplicate entry '1' for key 'a' set @@session.binlog_alter_two_phase = 0; alter table t1 change a a int; set @@session.binlog_alter_two_phase = 1; alter table t1 change a a int; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci include/save_master_gtid.inc connection slave_node; include/sync_with_master_gtid.inc show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci connection master_node; drop table t1; include/save_master_gtid.inc connection slave_node; include/sync_with_master_gtid.inc disconnect master_node; disconnect slave_node; connection server_1; set global binlog_alter_two_phase=0; include/rpl_sync.inc connection server_2; select domain_id, seq_no from mysql.gtid_slave_pos order by seq_no desc limit 1; domain_id seq_no 0 12 connection server_1; include/save_master_gtid.inc connection server_3; include/sync_with_master_gtid.inc select domain_id, seq_no from mysql.gtid_slave_pos order by seq_no desc limit 1; domain_id seq_no 0 12 include/stop_slave.inc set global slave_parallel_threads = 0;; set global slave_parallel_mode = optimistic;; set global gtid_strict_mode = 0;; include/start_slave.inc select @@slave_parallel_threads; @@slave_parallel_threads 0 connection server_4; include/sync_with_master_gtid.inc select domain_id, seq_no from mysql.gtid_slave_pos order by seq_no desc limit 1; domain_id seq_no 0 12 include/rpl_end.inc