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

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

--connection node_1
CREATE TABLE t1 (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(*) = 5 FROM t1;
--source include/wait_condition.inc

--let $wait_condition = SELECT COUNT(*) = 5 FROM mysql.wsrep_streaming_log;
--source include/wait_condition.inc
SELECT COUNT(*) AS EXPECT_5 FROM mysql.wsrep_streaming_log;

ALTER TABLE t1 DROP COLUMN f2;

# SR applied before the DDL is no longer visible
SELECT COUNT(*) AS EXPECT_0 FROM t1;
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;

--connection node_1
# Transaction can not continue due to DDL, implicit ROLLBACK
--error ER_LOCK_DEADLOCK
INSERT INTO t1 VALUES (6, 6);

--let $wait_condition = SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
--source include/wait_condition.inc
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;

# DDL is now in effect
--error ER_WRONG_VALUE_COUNT_ON_ROW
INSERT INTO t1 VALUES (6, 6);

# But it should be possible to reissue the transaction

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

--connection node_2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
--let $wait_condition = SELECT COUNT(*) = 5 FROM t1;
--source include/wait_condition.inc

--connection node_1
COMMIT;

--connection node_2
set global wsrep_sync_wait=15;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
SELECT COUNT(*) AS EXPECT_5 FROM t1;
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;

DROP TABLE t1;