Date: Thu, 24 Jun 2010 14:13:35 +0200
From: Michael Meskes <meskes@postgresql.org>
To: =?utf-8?B?QsO2c3rDtnJtw6lueWkgWm9sdMOhbg==?= <zb@cybertec.at>
Cc: Bruce Momjian <bruce@momjian.us>, Michael Meskes <meskes@postgresql.org>,
	PG Hackers <pgsql-hackers@postgresql.org>,
	Hans-Juergen Schoenig <hs@cybertec.at>
Subject: Re: ECPG FETCH readahead
Message-ID: <20100624121335.GC24137@feivel.credativ.lan>
Mail-Followup-To: =?utf-8?B?QsO2c3rDtnJtw6lueWkgWm9sdMOhbg==?=
	<zb@cybertec.at>, Bruce Momjian <bruce@momjian.us>,
	Michael Meskes <meskes@postgresql.org>,
	PG Hackers <pgsql-hackers@postgresql.org>,
	Hans-Juergen Schoenig <hs@cybertec.at>
References: <201006232042.o5NKgb503695@momjian.us>
	<4C2308FD.1090300@cybertec.at>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <4C2308FD.1090300@cybertec.at>
User-Agent: Mutt/1.5.20 (2009-06-14)
Content-Transfer-Encoding: quoted-printable

> I think, yes, it does make sense. Because we are talking
> about porting a whole lot of COBOL applications.

COBOL???

> The ESQL/C or ECPG connector was already written
> the Informix quirks in mind, so it fetches only one record
> at a time passing it to the application. And similar performance
> is expected from ECPG - which excpectation is not fulfilled
> currently because libecpg doesn't do the same caching as
> ESQL/C does.

Eh, you are talking about a program you wrote for your customer or they w=
rote
themselves, right? I simply refuse to add this stuff only to fix this sit=
uation
for that one customer of yours if it only hits them. Now the thing to dis=
cuss
is how common is this situation.

Michael
--=20
Michael Meskes
Michael at Fam-Meskes dot De, Michael at Meskes dot (De|Com|Net|Org)
Michael at BorussiaFan dot De, Meskes at (Debian|Postgresql) dot Org
ICQ 179140304, AIM/Yahoo/Skype michaelmeskes, Jabber meskes@jabber.org
VfL Borussia! For=C3=A7a Bar=C3=A7a! Go SF 49ers! Use Debian GNU/Linux, P=
ostgreSQL