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88 lines
2.6 KiB
Plaintext
88 lines
2.6 KiB
Plaintext
include/rpl_init.inc [topology=1->2->3->4]
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connection server_3;
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set global gtid_strict_mode=1;
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include/stop_slave.inc
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SET GLOBAL slave_parallel_threads=10;
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set global slave_parallel_mode=optimistic;
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change master to master_use_gtid=slave_pos;
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include/start_slave.inc
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connection server_1;
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set global binlog_alter_two_phase=ON;
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set binlog_alter_two_phase=ON;
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connect master_node,127.0.0.1,root,,$db_name, $SERVER_MYPORT_1;
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connect slave_node,127.0.0.1,root,,test, $SERVER_MYPORT_2;
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# innodb
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connection master_node;
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create table t1(a int, b int) engine=innodb;;
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insert into t1 values(1,1);
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insert into t1 values(2,2);
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# Normal Alter
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alter table t1 add column c int;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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`c` int(11) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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# Failed Alter
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insert into t1 values(1,1, NULL);
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alter table t1 change a a int unique;
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ERROR 23000: Duplicate entry '1' for key 'a'
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set @@session.binlog_alter_two_phase = 0;
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alter table t1 change a a int;
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set @@session.binlog_alter_two_phase = 1;
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alter table t1 change a a int;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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`c` int(11) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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include/save_master_gtid.inc
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connection slave_node;
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include/sync_with_master_gtid.inc
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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`c` int(11) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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connection master_node;
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drop table t1;
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include/save_master_gtid.inc
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connection slave_node;
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include/sync_with_master_gtid.inc
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disconnect master_node;
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disconnect slave_node;
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connection server_1;
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set global binlog_alter_two_phase=0;
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include/rpl_sync.inc
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connection server_2;
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select domain_id, seq_no from mysql.gtid_slave_pos order by seq_no desc limit 1;
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domain_id seq_no
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0 12
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connection server_1;
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include/save_master_gtid.inc
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connection server_3;
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include/sync_with_master_gtid.inc
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select domain_id, seq_no from mysql.gtid_slave_pos order by seq_no desc limit 1;
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domain_id seq_no
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0 12
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include/stop_slave.inc
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set global slave_parallel_threads = 0;;
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set global slave_parallel_mode = optimistic;;
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set global gtid_strict_mode = 0;;
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include/start_slave.inc
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select @@slave_parallel_threads;
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@@slave_parallel_threads
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0
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connection server_4;
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include/sync_with_master_gtid.inc
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select domain_id, seq_no from mysql.gtid_slave_pos order by seq_no desc limit 1;
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domain_id seq_no
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0 12
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include/rpl_end.inc
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