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

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

#
# Test case 1: Start a transaction on node_2a and kill it
# from other connection on same node
#

--connection node_2
CREATE TABLE t1(a int not null primary key auto_increment,b int) engine=InnoDB;
insert into t1 values (NULL,1);

--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
begin;
update t1 set a = 5;

--connection node_2

--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1
--source include/wait_condition.inc

--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1`

--disable_query_log
--eval KILL $k_thread
--enable_query_log

select * from t1;
--disconnect node_2a

#
# Test case 2: Start a transaction on node_2a and use
# kill query from other connection on same node
#

--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
begin;
update t1 set a =5;

--connection node_2
--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1
--source include/wait_condition.inc

--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1`

--disable_query_log
--eval KILL QUERY $k_thread
--enable_query_log

select * from t1;
--disconnect node_2a
#
# Test case 3: Start a transaction on node_2a and start a DDL on other transaction
# that will then abort node_2a transaction
#
--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
begin;
update t1 set a =5, b=2;

--connection node_2
ALTER TABLE t1 ADD UNIQUE KEY b1(b);
ALTER TABLE t1 DROP KEY b1;

select * from t1;

--disconnect node_2a

#
# Test case 4: Start a transaction on node_2a and conflicting transaction on node_2b
# and start a DDL on other transaction that will then abort node_2a and node_2b
# transactions
#

--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
begin;
update t1 set a =5, b=2;

--connect node_2b, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2b
begin;
send update t1 set a =6, b=7;

--connection node_2
ALTER TABLE t1 ADD UNIQUE KEY b2(b);
ALTER TABLE t1 DROP KEY b2;

select * from t1;

--disconnect node_2a
--disconnect node_2b

#
# Test case 5: Start a transaction on node_2a with wsrep disabled.
# A conflicting DDL on other transaction can't BF abort
# transaction from node_2a (wsrep disabled).
#

--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connect node_2b, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
SET SESSION wsrep_on=OFF;
begin;
update t1 set a =5, b=2;

--connection node_2
--send ALTER TABLE t1 ADD UNIQUE KEY b3(b)

--connection node_2b
SET SESSION wsrep_sync_wait=0;
--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE 'Waiting for table metadata lock%' OR STATE LIKE 'Waiting to execute in isolation%';
--source include/wait_condition.inc

--connection node_2a
select * from t1;

# We expect that ALTER should not be able to BF abort
# this transaction, it must wait for it to finish.
# Expect commit to succeed.
commit;

--connection node_2
--reap

--disconnect node_2a
--disconnect node_2b

#
# Test case 6: Start a transaction on node_2a with wsrep disabled
# and kill it from other connection on same node.
#

--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
SET SESSION wsrep_on=OFF;
begin;
update t1 set a =5, b=2;

--connection node_2
--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1
--source include/wait_condition.inc

--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1`

--disable_query_log
--eval KILL $k_thread
--enable_query_log

select * from t1;

--disconnect node_2a

--connection node_1

source include/maybe_debug.inc;
if ($have_debug) {
#
# Test case 7: Start a transaction on node_2 and use KILL to abort
# a query in connection node_2a
# During the KILL execution replicate conflicting transaction from node_1
# to BF abort the transaction executing the KILL
#

--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
truncate t1;
insert into t1 values (7,0);

--connection node_2
set wsrep_sync_wait=0;

# get the ID of connection to be later killed
--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1
--source include/wait_condition.inc
--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1`

# start a transaction
begin;
update t1 set b=2 where a=7;

# set sync point for incoming applying
--connect node_2b, 127.0.0.1, root, , test, $NODE_MYPORT_2
set wsrep_sync_wait=0;

SET GLOBAL debug_dbug = "d,sync.wsrep_apply_cb";

# replicate conflicting transaction, should stopp in the sync point
--connection node_1
update t1 set b=1 where a=7;

# wait for the applier to reach the sync point
--connection node_2b
SET SESSION DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_cb_reached";

# issue KILL inside the transacion, implicit commit is expected
--connection node_2
--disable_query_log
--send_eval KILL QUERY $k_thread
--enable_query_log

# wait for the KILL processing to be seen in processlist
--connection node_2b
--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND INFO LIKE 'KILL QUERY%'
--source include/wait_condition.inc

# resume applying, BF abort should follow
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";

--connection node_2
--error ER_LOCK_DEADLOCK
--reap

commit;

select * from t1;

--connection node_2a
SET DEBUG_SYNC= 'RESET';
SET GLOBAL debug_dbug = "";

--disconnect node_2a
--disconnect node_2b

--connection node_1
}

drop table t1;