connection node_2;
connection node_1;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=InnoDB;
SET SESSION wsrep_trx_fragment_size = 1;
SET AUTOCOMMIT=OFF;
START TRANSACTION;
INSERT INTO t1 VALUES (1, 1);
INSERT INTO t1 VALUES (2, 2);
INSERT INTO t1 VALUES (3, 3);
INSERT INTO t1 VALUES (4, 4);
INSERT INTO t1 VALUES (5, 5);
connection node_2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT COUNT(*) > 0 FROM mysql.wsrep_streaming_log;
COUNT(*) > 0
1
ALTER TABLE t1 DROP COLUMN f2;
SELECT COUNT(*) = 0 FROM t1;
COUNT(*) = 0
1
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
connection node_1;
INSERT INTO t1 VALUES (6, 6);
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
INSERT INTO t1 VALUES (6, 6);
ERROR 21S01: Column count doesn't match value count at row 1
START TRANSACTION;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (3);
INSERT INTO t1 VALUES (4);
INSERT INTO t1 VALUES (5);
connection node_2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
connection node_1;
COMMIT;
connection node_2;
SELECT COUNT(*) = 5 FROM t1;
COUNT(*) = 5
1
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
DROP TABLE t1;