From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Martijn van Oosterhout <kleptog(at)svana(dot)org>, Zeugswetter Andreas ADI SD <ZeugswetterA(at)spardat(dot)at>, Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>, pgsql-hackers(at)postgresql(dot)org, Gregory Stark <stark(at)enterprisedb(dot)com> |
Subject: | Re: column ordering, was Re: [PATCHES] Enums patch v2 |
Date: | 2006-12-21 17:09:46 |
Message-ID: | 458ABFDA.5090407@dunslane.net |
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Lists: | pgsql-hackers pgsql-patches |
Tom Lane wrote:
> Actually, the more I think about it the more I think that 3 numbers
> might be the answer. 99% of the code would use only the permanent ID.
> Display position would be used in *exactly* one place, namely while
> expanding "SELECT foo.*" --- I can't think of any other part of the
> backend that would care about it.
Insert without a column list will need the logical ordering, I think.
Also use of "like foo" in a create table statement. I'm not dead sure
there aren't one or two others lurking. But I agree that the number is
small.
cheers
andrew
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