mariadb/mysql-test/suite/galera/t/galera_toi_lock_shared.test
Jan Lindström 7789726843 MDEV-24447 : galera.galera_toi_lock_shared MTR failed: WSREP: ALTER TABLE isolation failure
Add wait_condition so that INSERT is replicated before ALTER
and ALTER is replicated before we try to INSERT with new
number of columns.
2021-01-12 13:01:07 +02:00

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Text

--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;