Re: Permanent alias for postgresql table

From: "Marco Lechner" <marco(dot)lechner(at)geographie(dot)uni-freiburg(dot)de>
To: pgsql-sql(at)postgresql(dot)org
Subject: Re: Permanent alias for postgresql table
Date: 2009-03-12 14:26:47
Message-ID: web-116158401@uni-freiburg.de
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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 +0000
Mina R Waheeb <syncer(at)gmail(dot)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(dot)lechner(at)geographie(dot)uni-freiburg(dot)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(at)postgresql(dot)org)
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> >

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