From: Bruce Momjian <maillist@candle.pha.pa.us>
Message-Id: <199804271452.KAA04993@candle.pha.pa.us>
Subject: Re: [HACKERS] Re: retrieving varchar size
To: tgl@sss.pgh.pa.us (Tom Lane)
Date: Mon, 27 Apr 1998 10:52:44 -0400 (EDT)
Cc: pgsql-hackers@postgreSQL.org, pgsql-interfaces@postgreSQL.org
In-Reply-To: <4148.893687967@sss.pgh.pa.us> from "Tom Lane" at Apr 27,
	98 10:39:27 am
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> 
> Does what you describe actually work in the current backend?
> 
> The problem on the libpq side is basically that the PGresult structure
> is not able to represent more than one tuple descriptor.  AFAICS, we can't
> tamper with that without breaking all existing applications.  However,
> if we make the changes being discussed in this thread then it would be
> a simple matter to return a *series* of PGresult structures for this
> sort of query.
> 
> Whether an application is capable of handling that is another story,
> but at least the data could be passed through.
> 
I would move forward, and see if anything breaks.  If the regression
tests pass, that is a good sign it works.


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