File: xa_prepare_reset_supremum_lock.test

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--source include/have_innodb.inc
--source include/count_sessions.inc

CREATE TABLE t (
  `a` INT NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=InnoDB;


INSERT INTO t VALUES(10);
INSERT INTO t VALUES(20);

SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
XA START '1';
SELECT * FROM t WHERE a > 20 FOR UPDATE;
# The following INSERT is necessary because trx_prepare() resets locks
# only if there were modifications in transaction.
INSERT INTO t VALUES(40);
XA END '1';
XA PREPARE '1';

connect (con1,localhost,root);
SET innodb_lock_wait_timeout=1;
# The following INSERT must not be blocked if XA PREPARE released supremum lock
INSERT INTO t VALUES(50);

--connection default
XA COMMIT '1';

XA START '1';
SELECT * FROM t WHERE a > 20 LOCK IN SHARE MODE;
# The following INSERT is necessary because trx_prepare() resets locks
# only if there were modifications in transaction.
INSERT INTO t VALUES (5);
XA END '1';
XA PREPARE '1';

--connection con1
# The following INSERT must not be blocked if XA PREPARE released supremum lock
INSERT INTO t VALUES (60);
# The following INSERT must not be blocked if XA PREPARE released shared lock
INSERT INTO t VALUES (30);
--disconnect con1

--connection default
XA COMMIT '1';
DROP TABLE t;
--source include/wait_until_count_sessions.inc