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CREATE TABLE t(a INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t VALUES (3);
BEGIN;
UPDATE t SET a = 2;
connect con1,localhost,root;
SET DEBUG_SYNC="lock_wait_suspend_thread_enter SIGNAL del_locked";
DELETE FROM t;
connection default;
SET DEBUG_SYNC="now WAIT_FOR del_locked";
UPDATE t SET a = 1;
COMMIT;
connection con1;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
disconnect con1;
connection default;
# The above DELETE must delete all the rows in the table, so the
# following SELECT must show 0 rows.
SELECT count(*) FROM t;
count(*)
1
SET DEBUG_SYNC="reset";
DROP TABLE t;