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

#
# Test the effect of unrelated DDL on a concurrent SR transaction
#

--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=InnoDB;
CREATE TABLE t2 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=InnoDB;
SET SESSION wsrep_trx_fragment_size = 1;

SET AUTOCOMMIT=OFF;
START TRANSACTION;

INSERT INTO t1 VALUES (1, 1);
INSERT INTO t1 VALUES (2, 2);
INSERT INTO t1 VALUES (3, 3);
INSERT INTO t1 VALUES (4, 4);
INSERT INTO t1 VALUES (5, 5);

--connection node_2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
--let $wait_condition = SELECT COUNT(*) > 0 FROM t1;
--source include/wait_condition.inc
SELECT COUNT(*) > 0 FROM mysql.wsrep_streaming_log;

ALTER TABLE t2 DROP COLUMN f2;

# SR applied before the DDL is still visible
SELECT COUNT(*) = 5 FROM t1;
SELECT COUNT(*) > 0 FROM mysql.wsrep_streaming_log;

--connection node_1

# Transaction can continue, even after the DDL
--error 0
INSERT INTO t1 VALUES (6, 6);

--connection node_2
--let $wait_condition = SELECT COUNT(*) > 0 FROM t1;
--source include/wait_condition.inc

--connection node_1
COMMIT;
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;

--connection node_2
SELECT COUNT(*) = 6 FROM t1;
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;

DROP TABLE t1;
DROP TABLE t2;