Re: sql row constructor...works!
От | Christopher Browne |
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Тема | Re: sql row constructor...works! |
Дата | |
Msg-id | m3acd233js.fsf@mobile.int.cbbrowne.com обсуждение исходный текст |
Ответ на | sql row constructor...works! (Merlin Moncure <mmoncure@gmail.com>) |
Список | pgsql-hackers |
>> On Feb 8, 2006, at 11:17 , Merlin Moncure wrote: >> >> > The proper SQL construct without row constructor is: >> > >> > select * from t where >> > a >= a1 and >> > (a > a1 or b>= b1) and >> > (a > a1 or b > b1 or c > c1) >> > order by a,b,c limit 1 ^ no offset necessary >> > >> > confused yet? No, not confused, that's closer to an example... >> This is interesting! Could you also provide the equivalent *with* a >> row constructor? (or did I miss that somewhere?) > > select * from t where (a,b,c) > (a1, b1, c1) order by a,b,c limit 1; > [plus full usage of key on t(a,b,c)] Ah, so _that_ is the new notation that works now? That's neat indeed. -- "cbbrowne","@","gmail.com" http://linuxdatabases.info/info/slony.html "Instant coffee is like pouring hot water over the cremated remains of a good friend."
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