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 SESSION wsrep_retry_autocommit = 0;
SET DEBUG_SYNC = 'wsrep_before_certification SIGNAL before_cert WAIT_FOR continue';
INSERT INTO t1 (f1) VALUES (2);
connection node_1a;
SET DEBUG_SYNC = 'now WAIT_FOR before_cert';
connection node_2;
TRUNCATE TABLE t1;
connection node_1;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT COUNT(*) FROM t1;
COUNT(*)
0
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
SET SESSION wsrep_retry_autocommit = 1;
SET DEBUG_SYNC = 'wsrep_before_certification SIGNAL before_cert WAIT_FOR continue';
INSERT INTO t1 (f1) VALUES (3);
connection node_1a;
SET DEBUG_SYNC = 'now WAIT_FOR before_cert';
connection node_2;
TRUNCATE TABLE t1;
connection node_1;
SELECT COUNT(*) FROM t1;
COUNT(*)
0
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
SET SESSION wsrep_retry_autocommit = 1;
SET GLOBAL debug_dbug = '+d,sync.wsrep_retry_autocommit';
SET DEBUG_SYNC = 'wsrep_before_certification SIGNAL before_cert WAIT_FOR continue EXECUTE 2';
INSERT INTO t1 VALUES (4);;
connection node_1a;
SET DEBUG_SYNC = 'now WAIT_FOR before_cert';
connection node_2;
TRUNCATE TABLE t1;
connection node_1a;
SET DEBUG_SYNC = 'now WAIT_FOR wsrep_retry_autocommit_reached';
SELECT COUNT(*) FROM t1;
COUNT(*)
0
SET DEBUG_SYNC = 'now SIGNAL wsrep_retry_autocommit_continue WAIT_FOR before_cert';
connection node_2;
TRUNCATE TABLE t1;
connection node_1a;
SELECT COUNT(*) FROM t1;
COUNT(*)
0
connection node_1;
SET DEBUG_SYNC = 'RESET';
SET GLOBAL debug_dbug = NULL;
DROP TABLE t1;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
SET SESSION wsrep_retry_autocommit = 64;
SET GLOBAL debug_dbug = '+d,sync.wsrep_retry_autocommit';
SET DEBUG_SYNC = 'wsrep_before_certification SIGNAL before_cert WAIT_FOR continue EXECUTE 64';
INSERT INTO t1 VALUES (5);
connection node_1;
SELECT COUNT(*) FROM t1;
COUNT(*)
1
SET DEBUG_SYNC = 'RESET';
SET GLOBAL debug_dbug = NULL;
DROP TABLE t1;