SET storage_engine = Falcon;
*** Bug #28037 ***
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
s2 int(11) DEFAULT NULL,
s3 int(11) DEFAULT NULL,
KEY s2 (s2),
KEY s3 (s3)
);
INSERT INTO t1 VALUES (0,0),(1,1),(null,null);
SELECT * FROM t1 WHERE s2 IS NULL or s3 IS NULL;
s2	s3
NULL	NULL
DROP TABLE t1;
