Sender: goran
Message-ID: <35E161AB.7DC7012A@bildbasen.se>
Date: Mon, 24 Aug 1998 14:50:51 +0200
From: Goran Thyni <goran@bildbasen.se>
Organization: JMS Bildbasen i Kiruna AB
MIME-Version: 1.0
To: Bruce Momjian <maillist@candle.pha.pa.us>
CC: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-interfaces@postgreSQL.org,
	pgsql-hackers@postgreSQL.org
Subject: Re: [HACKERS] Convert PGconn, PGresult to opaque types?
References: <199808240121.VAA29023@candle.pha.pa.us>
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit

Bruce Momjian wrote:
> > Basically this would force applications to use the accessor functions
> > as recommended in the documentation, and not touch fields of a PGconn
> > object directly.  (Ditto for PGresult.)
> 
> I am scared about external stuff like php.  If they use it, and we
> release something that doesn't work with their stuff, we are cooked
> until they upgrade.
> 
> Not really sure what the advantage would be, aside from cleanliness.

The cleaness allows us to change the interals without breaking "external
stuff".
I think Tom is aiming for thread-safeness which can't be done as long as
external stuff insists on accessing global structs inside libpq.
Sometimes we have to break thing to make them work better.

	regards,
-- 
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Göran Thyni, sysadm, JMS Bildbasen, Kiruna