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

if (`select version() not like '10.10.3-%'`) {
  skip disabled until new C/C;
}

#
# Test the effect of Cluster Configuration Change on a concurrently-running SR transaction
# We use SET GLOBAL wsrep_cluster_address = '' to cause the master (node_2) to temporarily
# leave the cluster.
#

CALL mtr.add_suppression("WSREP: discarding established.*");

# Save original auto_increment_offset values.
--let $node_1=node_1
--let $node_2=node_2
--source ../galera/include/auto_increment_offset_save.inc

--connection node_2
CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;

--let $wsrep_trx_fragment_size_orig = `SELECT @@wsrep_trx_fragment_size`
SET SESSION wsrep_trx_fragment_size = 1;

SET AUTOCOMMIT=OFF;
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);

SELECT COUNT(*) AS EXPECT_5 FROM mysql.wsrep_streaming_log;

--connection node_1
--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;

#
# Trigger CC . The transaction is aborted and we expect the SR tables to be cleaned up
#

--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
SET SESSION wsrep_sync_wait=0;
--let $wsrep_cluster_address_orig = `SELECT @@wsrep_cluster_address`
SET GLOBAL wsrep_cluster_address = '';

--let $wait_condition = SELECT VARIABLE_VALUE = 0 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
--source include/wait_condition.inc
SET SESSION wsrep_sync_wait = DEFAULT;

--connection node_2
--error 2013 # CR_SERVER_LOST
INSERT INTO t1 VALUES (6);

--connection node_1
--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;

# Restore cluster

--connection node_2a
--disable_query_log
--eval SET GLOBAL wsrep_cluster_address='$wsrep_cluster_address_orig'
--enable_query_log

--connection node_1
--let $wait_condition = SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
--source include/wait_condition.inc


--connect node_2b, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2b
--source include/galera_wait_ready.inc
--let $wait_condition = SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log
--source include/wait_condition.inc
SELECT * FROM mysql.wsrep_streaming_log;
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;

# Repeat transaction to confirm no locks are left from previous transaction

SET AUTOCOMMIT=OFF;
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);
COMMIT;

SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;

--connection node_1
--let $wait_condition = SELECT COUNT(*) = 5 FROM t1
--source include/wait_condition.inc
SELECT COUNT(*) AS EXPECT_5 FROM t1;
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;

DROP TABLE t1;

--connection node_2b
CALL mtr.add_suppression("WSREP: Failed to replicate rollback fragment for");

--disconnect node_2
--connect node_2, 127.0.0.1, root, , test, $NODE_MYPORT_2
# Restore original auto_increment_offset values.
--source ../galera/include/auto_increment_offset_restore.inc

--disconnect node_2a
--disconnect node_2b