--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;