* Thread #851100

CLEAR
CREATE CURSOR _TABLE (F1 INT NULL)

INSERT INTO _TABLE VALUES (NULL)

* BUG: this return 1 record, correct is 0 record
SELECT 2 FROM _TABLE T1 WHERE T1.F1 NOT IN (SELECT F1 FROM _TABLE T2) INTO ARRAY zz
? _TALLY, "Aspected 0"

* BUG: this return 1 record, correct is 0 record
SELECT 3 FROM _TABLE T1 WHERE T1.F1 <> ALL (SELECT F1 FROM _TABLE T2) INTO ARRAY zz
? _TALLY, "Aspected 0"