connection node_2;
connection node_1;
connect node_1a,127.0.0.1,root,,test,$NODE_MYPORT_1;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
SET GLOBAL DEBUG_DBUG = 'd,sync.wsrep_rollback_mdl_release';
connection node_2;
SET SESSION wsrep_trx_fragment_size = 1;
START TRANSACTION;
INSERT INTO t1 VALUES (1);
connection node_1a;
SELECT COUNT(*) FROM t1;
COUNT(*)
0
SET SESSION wsrep_retry_autocommit = 0;
SET DEBUG_SYNC = 'ha_write_row_start SIGNAL may_toi WAIT_FOR bf_abort';
INSERT INTO t1 VALUES (2);
connection node_1;
SET DEBUG_SYNC = 'now WAIT_FOR may_toi';
SET DEBUG_SYNC = 'after_wsrep_thd_abort WAIT_FOR sync.wsrep_rollback_mdl_release_reached';
TRUNCATE TABLE t1;
connection node_1a;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SET DEBUG_SYNC = 'now SIGNAL signal.wsrep_rollback_mdl_release';
connection node_2;
INSERT INTO t1 VALUES (3);
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
connection node_1;
SET GLOBAL DEBUG_DBUG = '';
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;
disconnect node_1a;
disconnect node_2;
disconnect node_1;