--source include/have_innodb.inc --source include/count_sessions.inc CREATE TABLE t(a INT PRIMARY KEY) ENGINE=InnoDB; INSERT INTO t VALUES (3); BEGIN; connection default; UPDATE t SET a = 2; connect con1,localhost,root; send DELETE FROM t; connection default; let $wait_condition= select count(*) = 1 from information_schema.processlist where state = "Updating" and info = "DELETE FROM t"; --source include/wait_condition.inc UPDATE t SET a = 1; COMMIT; connection con1; error ER_LOCK_DEADLOCK; reap; disconnect con1; connection default; --echo # The above DELETE must delete all the rows in the table, so the --echo # following SELECT must show 0 rows. SELECT count(*) FROM t; DROP TABLE t; --source include/wait_until_count_sessions.inc