| From: | Michael Meskes <meskes(at)postgresql(dot)org> |
|---|---|
| To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
| Cc: | Böszörményi Zoltán <zb(at)cybertec(dot)at>, Bruce Momjian <bruce(at)momjian(dot)us>, Michael Meskes <meskes(at)postgresql(dot)org>, PG Hackers <pgsql-hackers(at)postgresql(dot)org>, Hans-Juergen Schoenig <hs(at)cybertec(dot)at> |
| Subject: | Re: ECPG FETCH readahead |
| Date: | 2010-06-24 12:19:22 |
| Message-ID: | 20100624121922.GD24137@feivel.credativ.lan |
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| Lists: | pgsql-hackers |
On Thu, Jun 24, 2010 at 12:04:30PM +0300, Heikki Linnakangas wrote:
> Is there a reason not to enable it by default? I'm a bit worried
> that it will receive no testing if it's not always on.
Yes, there is a reason, namely that you don't need it in native mode at all.
ECPG can read as many records as you want in one go, something ESQL/C
apparently cannot do. This patch is a workaround for that restriction. I still
do not really see that this feature gives us an advantage in native mode
though.
Michael
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Michael Meskes
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