DESC: ORDER BY ~MAX(arrstart) result in a strange sorting!
ASC: ORDER BY MAX(arrstart) works as expected:
I can insert DESC in raw sql, but howto specify in db.select?


SELECT arrdato.arrid, MAX(arrstart), COUNT(arrid) FROM arrdato WHERE
((arrdato.stedid=1 OR arrdato.arrangid=1) AND
arrdato.arrstart<'2009-01-22 14:16:48') GROUP BY arrdato.arrid ORDER
BY ~MAX(arrstart) LIMIT 10 OFFSET 0;

Result
[(3, u'2009-01-20 14:53:46', 1), (4, u'2009-01-14 16:56:11', 1), (5,
u'2009-01-11 16:58:00', 1), (12, u'2009-01-20 13:08:00', 1), (15,
u'2009-01-22 13:16:00', 1), (16, u'2009-01-20 13:34:00', 1), (1,
u'2008-12-31 15:08:41', 1)]

3       2009-01-20 14:53:46
4       2009-01-14 16:56:11
5       2009-01-11 16:58:00
12      2009-01-20 13:08:00
15      2009-01-22 13:16:00
16      2009-01-20 13:34:00
1       2008-12-31 15:08:41


SELECT arrdato.arrid, MAX(arrstart), COUNT(arrid) FROM arrdato WHERE
((arrdato.stedid=1 OR arrdato.arrangid=1) AND
arrdato.arrstart<'2009-01-22 14:46:06') GROUP BY arrdato.arrid ORDER
BY MAX(arrstart) LIMIT 10 OFFSET 0;

Result
[(1, u'2008-12-31 15:08:41', 1), (5, u'2009-01-11 16:58:00', 1), (4,
u'2009-01-14 16:56:11', 1), (12, u'2009-01-20 13:08:00', 1), (16,
u'2009-01-20 13:34:00', 1), (3, u'2009-01-20 14:53:46', 1), (15,
u'2009-01-22 13:16:00', 1)]

1       2008-12-31 15:08:41
5       2009-01-11 16:58:00
4       2009-01-14 16:56:11
12      2009-01-20 13:08:00
16      2009-01-20 13:34:00
3       2009-01-20 14:53:46
15      2009-01-22 13:16:00


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