mariadb/mysql-test/suite/galera/t/galera_applier_ftwrl_table_alter.test

#
# Test that applying a DDL plays well with FLUSH TABLE table_name WITH READ LOCK. The applier
# thread should block until UNLOCK TABLEs.
#

--source include/galera_cluster.inc
--source include/have_innodb.inc

--connection node_1
SET SESSION wsrep_sync_wait = 0;

# Those values are valid only for connection node_1. The global values from the -master.opt file apply to applier threads.
SET SESSION lock_wait_timeout = 60;
SET SESSION innodb_lock_wait_timeout=60;
SET SESSION wait_timeout=60;

CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;

FLUSH TABLE t1 WITH READ LOCK;

--connection node_2
--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1'
--source include/wait_condition.inc

ALTER TABLE t1 ADD COLUMN f2 INTEGER;

--connection node_1
SELECT 1 FROM DUAL;
# Wait
--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND (STATE LIKE 'Waiting for table metadata lock%' OR STATE LIKE 'Waiting to execute in isolation%');
--source include/wait_condition.inc

SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND (STATE LIKE 'Waiting for table metadata lock%' OR STATE LIKE 'Waiting to execute in isolation%');

UNLOCK TABLES;

SET SESSION wsrep_sync_wait = 15;

SHOW CREATE TABLE t1;
SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND (STATE LIKE 'Waiting for table metadata lock%' OR STATE LIKE 'Waiting to execute in isolation%');

DROP TABLE t1;