| From: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Dave Page <dpage(at)vale-housing(dot)co(dot)uk>, Zeugswetter Andreas SB SD <ZeugswetterA(at)spardat(dot)at>, Bruce Momjian <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 06:29:38 |
| Message-ID: | 3E702552.DA8A29A9@tpf.co.jp |
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| Lists: | pgsql-hackers pgsql-interfaces |
Tom Lane wrote:
>
> "Dave Page" <dpage(at)vale-housing(dot)co(dot)uk> writes:
> > No, but with them we can avoid cluttering the wire protocol with fields
> > for all this, and the JDBC required data. With 2 numeric columns
> > (attrelid, attnum), any application/interface can query the system
> > catalogs easily for whatever extra info they like.
>
> This is my feeling also. We shouldn't try to guess in the protocol
> exactly what set of information will be wanted by a frontend; we should
> just provide the catalog keys needed to look up whatever is wanted.
Does looking up by the catalog keys take no cost ?
regards,
Hiroshi Inoue
http://www.geocities.jp/inocchichichi/psqlodbc/
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