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Re: Eliminating phase 3 requirement for varlen increases via ALTER COLUMN

From: "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org, pgsql-patches(at)postgresql(dot)org
Subject: Re: Eliminating phase 3 requirement for varlen increases via ALTER COLUMN
Date: 2006-10-26 19:48:54
Message-ID: 36e682920610261248i48c4086ah94d71d4be869a973@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
On 10/26/06, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> This makes some really quite unacceptable assumptions about
> the meaning and encoding of typmod ...

True, so VARCHAR seems like the only one?  That's the only one I've
really encountered in the field on a fairly regular basis.

> I'm also wondering what's the point of comparing attbyval etc when
> you've already checked it's the same type OID.

True.

-- 
Jonah H. Harris, Software Architect | phone: 732.331.1300
EnterpriseDB Corporation            | fax: 732.331.1301
33 Wood Ave S, 2nd Floor            | jharris(at)enterprisedb(dot)com
Iselin, New Jersey 08830            | http://www.enterprisedb.com/

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