Am Montag, 9. Februar 2004 15:44 schrieb D. Richard Hipp:
> Yes, it is a bug. It has been around for ages (since
> version 2.4.0, 2002-March-11) but you are the first
> to notice it.
Hi,
I think I've found another Bug with subqueries (it seems not widely spread
using subselects for I am the first to notice?):
SQLite version 2.8.12
Enter ".help" for instructions
sqlite> .echo on
sqlite> .read test.sql
.read test.sql
drop table t1;
create table t1 (
a INTEGER PRIMARY KEY,
b INTEGER,
c INTEGER
);
INSERT INTO t1 VALUES (1,1,1);
INSERT INTO t1 VALUES (2,1,2);
INSERT INTO t1 VALUES (3,1,3);
INSERT INTO t1 VALUES (4,1,1);
INSERT INTO t1 VALUES (5,1,2);
INSERT INTO t1 VALUES (6,1,3);
INSERT INTO t1 VALUES (7,2,1);
INSERT INTO t1 VALUES (8,2,2);
INSERT INTO t1 VALUES (9,2,3);
--this select works as expected
SELECT b,
c
FROM t1
GROUP BY b, c
ORDER BY b, c DESC
;
b c
---------- ----------
1 3
1 2
1 1
2 3
2 2
2 1
--this select gets screwed up
SELECT * FROM (
SELECT b,
c
FROM t1
GROUP BY b, c
ORDER BY b, c DESC
);
b c
---------- ----------
1 3
1 3
1 2
1 2
1 1
1 1
2 3
2 2
2 1
sqlite>
Tim Krah
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