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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Thread: | |
Lists: | pgsql-general |
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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