From: | "Gordon A(dot) Runkle" <gar(at)integrated-dynamics(dot)com> |
---|---|
To: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Re: UNION in a VIEW? |
Date: | 2001-04-05 15:21:36 |
Message-ID: | 9ai25s$1bmf$1@news.tht.net |
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Lists: | pgsql-sql |
In article <web-34336(at)davinci(dot)ethosmedia(dot)com>, "Josh Berkus"
<josh(at)agliodbs(dot)com> wrote:
> Tom ... and I realize that we're talking about features for version 7.3
> or later ... a direct way to approach it would be to do a push-down on
> simple UNION views, and to do output filtering on UNION views wich
> contain a CASE, any subselect, or CAST expression (or similar) on the
> filtered columns.
This sounds right to me. (Which is easy for me to say, as
I'm not the one with the know-how to actually do it!) I'd
like to see cases like my example (simple joins) work, since
that's the main reason for doing the UNION in the first place.
I came up with a data workaround in my case, so I'm set for now)
Gordon.
--
It doesn't get any easier, you just go faster.
-- Greg LeMond
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