connection node_2;
connection node_1;
SET GLOBAL wsrep_sync_wait = 15;
connection node_2;
SET GLOBAL wsrep_sync_wait = 15;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
INSERT IGNORE INTO t1 VALUES (1), (2);
Warnings:
Warning	1062	Duplicate entry '1' for key 'PRIMARY'
SELECT * FROM t1;
f1
1
2
connection node_2;
SELECT * FROM t1;
f1
1
2
connection node_2;
CREATE TABLE t2 (f1 INTEGER) ENGINE=InnoDB;
INSERT INTO t2 VALUES (0), (2), (3);
INSERT IGNORE INTO t1 SELECT f1 FROM t2;
Warnings:
Warning	1062	Duplicate entry '2' for key 'PRIMARY'
SELECT * FROM t1;
f1
0
1
2
3
connection node_1;
SELECT * FROM t1;
f1
0
1
2
3
connection node_2;
CREATE TABLE t3 (f1 INTEGER UNIQUE) Engine=InnoDB;
INSERT INTO t3 VALUES (NULL);
connection node_1;
INSERT IGNORE INTO t3 VALUES (1), (NULL), (2);
SELECT * FROM t3;
f1
NULL
NULL
1
2
connection node_2;
SELECT * FROM t3;
f1
NULL
NULL
1
2
SET GLOBAL wsrep_sync_wait = (SELECT @@wsrep_sync_wait);
connection node_1;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
SET GLOBAL wsrep_sync_wait = (SELECT @@wsrep_sync_wait);