connection node_2;
connection node_1;
connect node_3, 127.0.0.1, root, , test, $NODE_MYPORT_3;
connection node_1;
connection node_1;
connection node_2;
connection node_3;
SHOW CREATE TABLE mysql.wsrep_cluster;
Table	Create Table
wsrep_cluster	CREATE TABLE `wsrep_cluster` (
  `cluster_uuid` char(36) NOT NULL,
  `view_id` bigint(20) NOT NULL,
  `view_seqno` bigint(20) NOT NULL,
  `protocol_version` int(11) NOT NULL,
  `capabilities` int(11) NOT NULL,
  PRIMARY KEY (`cluster_uuid`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci STATS_PERSISTENT=0
SHOW CREATE TABLE mysql.wsrep_cluster_members;
Table	Create Table
wsrep_cluster_members	CREATE TABLE `wsrep_cluster_members` (
  `node_uuid` char(36) NOT NULL,
  `cluster_uuid` char(36) NOT NULL,
  `node_name` char(32) NOT NULL,
  `node_incoming_address` varchar(256) NOT NULL,
  PRIMARY KEY (`node_uuid`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci STATS_PERSISTENT=0
SELECT COUNT(*) AS EXPECT_1 FROM mysql.wsrep_cluster;
EXPECT_1
1
SELECT cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid') FROM mysql.wsrep_cluster;
cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid')
1
SELECT COUNT(*) AS EXPECT_3 FROM mysql.wsrep_cluster_members;
EXPECT_3
3
SELECT COUNT(*) = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size') FROM mysql.wsrep_cluster_members;
COUNT(*) = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size')
1
SELECT COUNT(*) AS EXPECT_1 FROM mysql.wsrep_cluster_members WHERE node_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_gcomm_uuid');
EXPECT_1
1
SELECT node_incoming_address LIKE '127.0.0.1:%' from mysql.wsrep_cluster_members;
node_incoming_address LIKE '127.0.0.1:%'
1
1
1
SELECT cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid') FROM mysql.wsrep_cluster_members;
cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid')
1
1
1
connection node_2;
SELECT COUNT(*) AS EXPECT_3 FROM mysql.wsrep_cluster_members;
EXPECT_3
3
connection node_1;
SELECT cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid') FROM mysql.wsrep_cluster;
cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid')
1
SELECT COUNT(*) AS EXPECT_2 FROM mysql.wsrep_cluster_members;
EXPECT_2
2
connection node_2;
SELECT cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid') FROM mysql.wsrep_cluster;
cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid')
1
SELECT COUNT(*) AS EXPECT_3 FROM mysql.wsrep_cluster_members;
EXPECT_3
3
connection node_1;
SELECT cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid') FROM mysql.wsrep_cluster;
cluster_uuid = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_state_uuid')
1
SELECT COUNT(*) AS EXPECT_3 FROM mysql.wsrep_cluster_members;
EXPECT_3
3
disconnect node_3;