SELECT VARIABLE_VALUE = 4 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
VARIABLE_VALUE = 4
1
connection node_1;
CREATE TABLE t1 (f1 INTEGER);
connection node_2;
INSERT INTO t1 VALUES (1);
connect node_3, 127.0.0.1, root, , test, $NODE_MYPORT_3;
connection node_3;
SELECT COUNT(*) = 1 FROM t1;
COUNT(*) = 1
1
connection node_1;
DROP TABLE t1;