| From: | Hannu Krosing <hannu(at)tm(dot)ee> |
|---|---|
| To: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> |
| Cc: | Dave Page <dpage(at)vale-housing(dot)co(dot)uk>, tgl(at)sss(dot)pgh(dot)pa(dot)us, ZeugswetterA(at)spardat(dot)at, pgman(at)candle(dot)pha(dot)pa(dot)us, pgsql-hackers(at)postgresql(dot)org, pgsql-interfaces(at)postgresql(dot)org |
| Subject: | Re: Roadmap for FE/BE protocol redesign |
| Date: | 2003-03-13 10:07:28 |
| Message-ID: | 1047550047.3223.31.camel@fuji.krosing.net |
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| Lists: | pgsql-hackers pgsql-interfaces |
Hiroshi Inoue kirjutas N, 13.03.2003 kell 12:03:
> Dave Page wrote:
> >
> > > Does looking up by the catalog keys take no cost ?
> >
> > Obviously there is cost, but doing a lookup only on demand, has got to be
> > cheaper in the long run than including the entire column definition in the
> > message whether it's wanted or not?
>
> So if there are 100 fields, should we ask the backend
> the column name 100 times ?
or once for all columns if you prefer using IN.
> regards,
> Hiroshi Inoue
> http://www.geocities.jp/inocchichichi/psqlodbc/
>
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