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Re: column ordering, was Re: [PATCHES] Enums patch v2

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Gregory Stark <gsstark(at)mit(dot)edu>
Cc: Andrew Dunstan <andrew(at)dunslane(dot)net>, 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
Subject: Re: column ordering, was Re: [PATCHES] Enums patch v2
Date: 2006-12-22 02:28:58
Message-ID: 18938.1166754538@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Gregory Stark <gsstark(at)mit(dot)edu> writes:
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>> 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.

> Don't we already have such a permanent number -- just one we don't use
> anywhere in the data model? Namely the oid of the pg_attribute entry.

Nope, because pg_attribute hasn't got OIDs.

			regards, tom lane

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