CREATE TABLE bug51920 (i INT) ENGINE=InnoDB;
INSERT INTO bug51920 VALUES (1);
BEGIN;
SELECT * FROM bug51920 FOR UPDATE;
i
1
UPDATE bug51920 SET i=2;
SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE INFO="UPDATE bug51920 SET i=2"
INTO @thread_id;
KILL @thread_id;
ERROR 70100: Query execution was interrupted
DROP TABLE bug51920;