--source include/galera_cluster.inc
--source include/have_debug_sync.inc
--source include/have_debug.inc

--connect con1,127.0.0.1,root,,test,$NODE_MYPORT_1

call mtr.add_suppression("WSREP: ALTER TABLE isolation failure");

CREATE TABLE t1(c1 INT PRIMARY KEY, c2 INT) ENGINE=InnoDB;
INSERT into t1 values (1,1);

SET DEBUG_SYNC = 'alter_table_after_open_tables SIGNAL bf_started WAIT_FOR bf_continue';
--send ALTER TABLE t1 DROP COLUMN c2;

--connection node_1
SET SESSION wsrep_sync_wait = 0;
SET DEBUG_SYNC = 'now WAIT_FOR bf_started';
--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE = 'debug sync point: alter_table_after_open_tables'
--source include/wait_condition.inc

--let $applier_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE 'debug sync point:%' LIMIT 1`

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

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

--connection node_1
SET DEBUG_SYNC = 'now SIGNAL bf_continue';

--connection con1
--reap
SET DEBUG_SYNC = 'RESET';
SELECT * FROM t1;

--connection node_1
DROP TABLE t1;
--disconnect con1