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Re: Adding column comment to information_schema.columns

From: Justin Clift <jc(at)telstra(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL Hackers Mailing List <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Adding column comment to information_schema.columns
Date: 2004-07-01 04:35:43
Message-ID: 40E3949F.6020201@telstra.net (view raw or flat)
Thread:
Lists: pgsql-hackers
Tom Lane wrote:
> Justin Clift <jc(at)telstra(dot)net> writes:
> 
>>Not sure how worthwhile others will find this small patch (to CVS HEAD), 
>>but we found it useful.  It adds the column comments to the 
>>information_schema.columns view.
> 
> 
> 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.

?

Regards and best wishes,

Justin Clift


> 			regards, tom lane
> 
> 



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