Re: Clustering problem
От | CG |
---|---|
Тема | Re: Clustering problem |
Дата | |
Msg-id | 20050711180242.88540.qmail@web32509.mail.mud.yahoo.com обсуждение исходный текст |
Ответ на | Re: Clustering problem (PFC <lists@boutiquenumerique.com>) |
Список | pgsql-sql |
Why would you then drop the index? Performance and storage issues? I imagine that I would cluster the table at regular intervals to maintain the ordering, so I'd need to to keep the index around, yes? --- PFC <lists@boutiquenumerique.com> wrote: > > > > Is it even possible to cluster a table based on the clustering scheme > > (which is > > not the link_id ...) from the master table? > > > > Can you gurus think of a better strategy? :) (Please??) :) > > You can create a functional index on a function which returns the desired > order by looking in the main table, cluster it, then drop the index... > > ---------------------------(end of broadcast)--------------------------- > TIP 9: In versions below 8.0, the planner will ignore your desire to > choose an index scan if your joining column's datatypes do not > match > ____________________________________________________ Sell on Yahoo! Auctions no fees. Bid on great items. http://auctions.yahoo.com/
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