Re: Method of building views
От | Bruno Wolff III |
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Тема | Re: Method of building views |
Дата | |
Msg-id | 20050222061612.GA3623@wolff.to обсуждение исходный текст |
Ответ на | Method of building views ("Richard Crawley" <richard.crawley@quadronservices.co.uk>) |
Список | pgsql-general |
On Sat, Feb 19, 2005 at 13:30:49 -0000, Richard Crawley <richard.crawley@quadronservices.co.uk> wrote: > > I suppose what I'm doing is building some quite large, complicated views. > Now, thus far I haven't had much choice, and the temp tables do help > debugging. But this approach doesn't allow the dbase any optimising and > these long chains of queries are quite fragile. > > My question is whether there are better ways of doing it. I could probably > (hopefully) convert it into one mega query, which would allow the dbase the > opportunity to optimise. My worry is that it would be a dense tangle of > things and hence difficult to maintain/explain. Using the views modularly should help keep things maintainable and allow for optimization. Roughly there would be a view corresponding to each temporary table in your previous way of doing things.
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