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--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;
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