Re: SELECT * in a view

From: Andreas Kretschmer <akretschmer(at)spamfence(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: SELECT * in a view
Date: 2010-04-21 18:14:37
Message-ID: 20100421181437.GA9678@tux
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Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> > That's not what I want. That means that if old_view changes, new_view
> > will not reflect the changes. Is there any way to get new_view to
> > automatically include all fields from old_view, no matter how many or
> > how few fields there are?
>
> No. This behavior is specifically required by the SQL standard: the
> result rowtype of a view is determined when the view is created, and
> is not supposed to change when underlying tables have columns added.
> That's why we expand * when the view is created.

Right, and additional, don't use select *, in particular production
code.

Andreas
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect. (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly." (unknown)
Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°

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