Bugs item #2080151, was opened at 2008-08-28 15:44
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Category: SQL/Core
Group: MonetDB5 5.6
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Qian Qiao (drizzlerain)
Assigned to: Niels Nes (nielsnes)
Summary: The result of SELECT NOT is wrong
Initial Comment:
OS: RedHat Linux AS 4
GCC: 3.4.6
1.setup:
CREATE TABLE A (
a varchar(10)
);
INSERT INTO A VALUES ('a1');
INSERT INTO A VALUES ('a2');
CREATE TABLE B (
a varchar(10)
);
INSERT INTO B VALUES ('a1');
INSERT INTO B VALUES ('a2');
INSERT INTO B VALUES ('a3');
2.execute:
SELECT COUNT(*)
FROM A
WHERE NOT (A.a =
(SELECT B.a
FROM B
WHERE a > 'a4' ));
3.result:
+--------+
| count_ |
+========+
| 2 |
+--------+
4.question:
The count should be 0;
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