Galera4

mysql-test/suite/galera_sr/t/mysql-wsrep-features#27.test

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+--source include/galera_cluster.inc
+--source include/have_innodb.inc
+
+--connection node_1
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
+
+SET SESSION wsrep_trx_fragment_size = 1;
+SET AUTOCOMMIT=OFF;
+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);
+
+--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
+ALTER TABLE t1 ADD COLUMN f2 INTEGER;
+
+--connection node_2
+--sleep 2
+SET SESSION wsrep_sync_wait = 0;
+SELECT COUNT(*) = 0 FROM t1;
+
+--connection node_1
+--error ER_LOCK_DEADLOCK
+COMMIT;
+
+DROP TABLE t1;