File: galera_toi_lock_shared.test

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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.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t1';
--source include/wait_condition.inc

ALTER TABLE t1 ADD COLUMN f2 INTEGER, LOCK=SHARED;

--connection node_1
INSERT INTO t1 VALUES (2, 2);
SELECT COUNT(*) = 2 FROM t1;

--connection node_2
INSERT INTO t1 VALUES (3, 3);
SELECT COUNT(*) = 3 FROM t1;

DROP TABLE t1;