From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
Cc: | "Marc G(dot) Fournier" <scrappy(at)postgresql(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org, "Jim C(dot) Nasby" <decibel(at)decibel(dot)org>, Neil Conway <neilc(at)samurai(dot)com> |
Subject: | Re: Extending System Views: proposal for 8.1/8.2 |
Date: | 2005-01-24 17:10:18 |
Message-ID: | 22443.1106586618@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> Marc G. Fournier wrote:
>> I may be missing something here, but haven't we always stated that
>> using 'SELECT *' should be frown'd upon for the most part?
> No, we have never stated that.
We do however point out in the docs that SELECT * is vulnerable to
addition of columns, eg footnote 1 here:
http://www.postgresql.org/docs/8.0/static/tutorial-select.html
We've always felt free to add columns to system catalogs at need,
and I don't see that adding some to system views is worse.
regards, tom lane
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