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From: Noah Misch <noah@leadboat.com>
To: Michael Meskes <meskes@postgresql.org>
Cc: Boszormenyi Zoltan <zb@cybertec.at>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: PG Hackers <pgsql-hackers@postgresql.org>
Cc: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Bruce Momjian <bruce@momjian.us>
Subject: Re: ECPG FETCH readahead
Date: Sat, 7 Apr 2012 11:50:42 -0400
Message-ID: <20120407155042.GB11987@tornado.leadboat.com> (raw)
In-Reply-To: <20120407112008.GA2286@feivel.credativ.lan>
References: <20120305185632.GE13348@tornado.leadboat.com>
	<4F55A9AD.6050600@cybertec.at>
	<20120306110658.GC15988@tornado.leadboat.com>
	<CA+TgmoaBGLpW5V3nFES-McLbZyY_9nUvpnFLjT7zAYuVPu809A@mail.gmail.com>
	<4F6D9893.3030300@cybertec.at>
	<20120329004323.GA17329@tornado.leadboat.com>
	<4F74409C.3050904@cybertec.at>
	<20120329170341.GA4142@tornado.leadboat.com>
	<4F74E6A7.8040204@cybertec.at>
	<20120407112008.GA2286@feivel.credativ.lan>

On Sat, Apr 07, 2012 at 01:20:08PM +0200, Michael Meskes wrote:
> On Fri, Mar 30, 2012 at 12:48:07AM +0200, Boszormenyi Zoltan wrote:
> > Attached is the new core feature patch. Summary of changes:
> > ...
> > I also refreshed the second patch that drives all cursors with the new
> > ...
> 
> I'm slightly confused here. It seems Zoltan added a second patch *after* Noah
> marked this patch as ready for committer. That second patch seems to apply
> cleanly after the first one got applied. Now, which one was reviewed and is
> considered ready for commit? The first one? Or both? 

Both.  The second patch appeared after my first review, based on a comment in
that review.  I looked at it during my re-review before marking the overall
project Ready for Committer.

I do call your attention to a question I raised in my second review: if a
program contains "DECLARE foo READAHEAD 5 CURSOR FOR ..." and the user runs
the program with ECPGFETCHSZ=10 in the environment, should that cursor use a
readahead window of 5 or of 10?  Original commentary:
http://archives.postgresql.org/message-id/20120329004323.GA17329@tornado.leadboat.com



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