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# Scenario:
#  T1=({R(B), W(B)})
#  T2=({R(B), W(B), C}, HIGH_PRIORITY).
#
# T2 waits for T1 to exit from InnoDB and T1 trying to enter InnoDB
# and T1 will wait for async rollback to complete
#
# Outcome: T1 must abort, T2 must commit.

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

--echo #
--echo # Bug #21143276	HANGING DUE TO ASYNC_ROLLBACK
--echo #

CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (0);
START TRANSACTION;
insert into t1 values(1);
UPDATE t1 SET c1=2 WHERE c1=0;
SET DEBUG_SYNC='ha_innobase_info_low SIGNAL update_cmd WAIT_FOR enter_innodb';
--send select * from t1

--echo
--echo # On connection 1
--connect(con1,localhost,root,,test)
--connection con1
--source include/start_transaction_high_prio.inc
set debug_sync='now WAIT_FOR update_cmd';
select * from t1;
SET DEBUG_SYNC='trx_kill_blocking_enter SIGNAL enter_innodb';
UPDATE t1 SET c1=2 WHERE c1=0;
commit;

--connection default
--error ER_LOCK_DEADLOCK
--reap
commit;
select * from t1;
DROP TABLE t1;

--echo #
--echo # Bug #25032066: PREPARED TRANSACTION SHOULD NOT BE ROLLED BACK
--echo #

CREATE TABLE t1(col1 int PRIMARY KEY, col2 int);
INSERT INTO t1 VALUES(1, 10);

XA START 'xid1';
UPDATE t1 SET col2 = 20;
XA END 'xid1';
XA PREPARE 'xid1';

--connection con1
--source include/start_transaction_high_prio.inc
--send UPDATE t1 SET col2 = 30 WHERE col2 = 10;
--sleep 1

--connection default
XA COMMIT 'xid1';

--connection con1
--reap
COMMIT;

--connection default
SELECT * FROM t1;

--disconnect con1
DROP TABLE t1;

--source include/wait_until_count_sessions.inc