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--source include/galera_cluster.inc --source include/have_innodb.inc # # Ensure that ALTER LOCK=SHARED works under TOI. It is difficult to check that concurrent operations # will be possible, but at least we expect no hangs or deadlocks # CREATE TABLE t1 (id INT PRIMARY KEY) ENGINE=InnoDB; INSERT INTO t1 VALUES (1); --connection node_2 --let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1' --source include/wait_condition.inc --let $wait_condition = SELECT COUNT(*) = 1 FROM t1 --source include/wait_condition.inc ALTER TABLE t1 ADD COLUMN f2 INTEGER, LOCK=SHARED; --connection node_1 --let $wait_condition = SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 't1'; --source include/wait_condition.inc INSERT INTO t1 VALUES (2, 2); SELECT COUNT(*) AS EXPECT_2 FROM t1; SELECT * FROM t1; --connection node_2 --let $wait_condition = SELECT COUNT(*) = 2 FROM t1 --source include/wait_condition.inc INSERT INTO t1 VALUES (3, 3); SELECT COUNT(*) AS EXPECT_3 FROM t1; SELECT * FROM t1; DROP TABLE t1;