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Re: Adding column comment to information_schema.columns

From: Andreas Pflug <pgadmin(at)pse-consulting(dot)de>
To: Justin Clift <jc(at)telstra(dot)net>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,PostgreSQL Hackers Mailing List <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Adding column comment to information_schema.columns
Date: 2004-07-01 07:20:05
Message-ID: 40E3BB25.4020804@pse-consulting.de (view raw or flat)
Thread:
Lists: pgsql-hackers
Justin Clift wrote:

> Tom Lane wrote:
>
>>
>> This question has been touched on before, but I guess it's time to face
>> it fair and square: is it reasonable for an SQL implementation to add
>> implementation-specific columns to an information_schema view?  One
>> could certainly argue that the entire point of information_schema is
>> to be *standard*, not more, not less.  OTOH I do not know if adding
>> an extra column is likely to break anyone's application.  Comments?
>
>
> Well, I suppose it reduces application portability if anyone starts 
> relying on it.


We're advertising to do pure ANSI, so we'd mislead people if we supplied 
non-standard columns.

Regards,
Andreas



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