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

#
# This test checks that applier threads are immune to KILL QUERY and KILL STATEMENT
#

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

--connection node_2
SELECT @@wsrep_slave_threads;
SET GLOBAL wsrep_slave_threads=2;

--let $wait_condition = SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND STATE = 'wsrep applier idle';
--let $wait_condition_on_error_output = SELECT COUNT(*), 2 as EXPECTED_VALUE FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND STATE = 'wsrep applier idle'; show processlist
--source include/wait_condition_with_debug.inc

--let $applier_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND STATE = 'wsrep applier idle' LIMIT 1`

--replace_result $applier_thread ID
--error ER_KILL_DENIED_ERROR,ER_KILL_DENIED_ERROR
--eval KILL $applier_thread

--replace_result $applier_thread ID
--error ER_KILL_DENIED_ERROR,ER_KILL_DENIED_ERROR
--eval KILL QUERY $applier_thread

--let $aborter_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND STATE = 'wsrep aborter idle' LIMIT 1`

--replace_result $aborter_thread ID
--error ER_KILL_DENIED_ERROR,ER_KILL_DENIED_ERROR
--eval KILL $aborter_thread

--replace_result $aborter_thread ID
--error ER_KILL_DENIED_ERROR,ER_KILL_DENIED_ERROR
--eval KILL QUERY $aborter_thread

SET GLOBAL wsrep_slave_threads=DEFAULT;

--connection node_1
create table t1(a int not null primary key) engine=innodb;
insert into t1 values (1);
insert into t1 values (2);

--connection node_2
--echo # Wait until one of the appliers has exited
--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
--let $wait_condition_on_error_output = SELECT COUNT(*), 1 as EXPECTED_VALUE FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND STATE = 'wsrep applier idle'; show processlist
--source include/wait_condition_with_debug.inc

select count(*) from t1;
SELECT @@wsrep_slave_threads;

--connection node_1
drop table t1;