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

#
# Test that a LOCK TABLE on the slave will cause the applier thread to block, so no subsequent updates
# are replicated on the slave until UNLOCK TABLE is issued.
#

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

--let $wsrep_sync_wait_orig = `SELECT @@wsrep_sync_wait`

CREATE TABLE t1 (id INT PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t2 (id INT PRIMARY KEY) ENGINE=InnoDB;

--sleep 1

--connection node_2

# Wait until above DDL's are replicated
--let $wait_condition = SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t%';
--source include/wait_condition.inc

SELECT NAME FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t%';

LOCK TABLE t1 READ;

--connection node_1
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1);

# We use a separate connection here so that we can SELECT from both tables
# without running into "table t2 was not locked" error.

--let $galera_connection_name = node_2a
--let $galera_server_number = 2
--source include/galera_connect.inc
--connection node_2a
SET SESSION wsrep_sync_wait=0;
SELECT COUNT(*) = 0 FROM t1;
SELECT COUNT(*) = 0 FROM t2;

--connection node_2
UNLOCK TABLES;

--disable_query_log
--eval SET SESSION wsrep_sync_wait=$wsrep_sync_wait_orig;
--enable_query_log

SELECT COUNT(*) = 1 FROM t1;
SELECT COUNT(*) = 1 FROM t2;

DROP TABLE t1;
DROP TABLE t2;