Re: Permanent alias for postgresql table
От | Marco Lechner |
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Тема | Re: Permanent alias for postgresql table |
Дата | |
Msg-id | web-116158401@uni-freiburg.de обсуждение исходный текст |
Ответ на | Permanent alias for postgresql table ("Marco Lechner" <marco.lechner@geographie.uni-freiburg.de>) |
Ответы |
Re: Permanent alias for postgresql table
Re: Permanent alias for postgresql table Re: Permanent alias for postgresql table |
Список | pgsql-sql |
Hi Mina, thanks for your answer. I thought about that, but don't views decrease performance, because they are "calculated" on access? Marco On Thu, 12 Mar 2009 13:34:39 +0000Mina R Waheeb <syncer@gmail.com> wrote: > Use views, > > mytablev1 and we have a view mytable selecting * from > mytablev1 > and when we need to update the target we alter the view > to select from > mytablev2 > > On Thu, Mar 12, 2009 at 12:59 PM, Marco Lechner < > marco.lechner@geographie.uni-freiburg.de> wrote: > > > Hi list, > > > > I'm searching for a way to create permanent alias for > > tablenames in postgresql. We are storing various > versions > > of a routable network in postgresql (postgis, > pgrouting) > > and access a certain version with a bunch of > php-skripts. > > We like to use aliases for the "currently used tables" > oo > > be able to relink the current tables rapidly by > changing > > the alias target. > > > > Any idea - or is this approach nonsense? > > > > Marco > > > > -- > > Sent via pgsql-sql mailing list > (pgsql-sql@postgresql.org) > > To make changes to your subscription: > > http://www.postgresql.org/mailpref/pgsql-sql > >
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