| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Curt Sampson <cjs(at)cynic(dot)net> |
| Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)atentus(dot)com>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCHES] CLUSTER not lose indexes |
| Date: | 2002-07-16 15:41:44 |
| Message-ID: | 200207161541.g6GFfiq26196@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
Curt Sampson wrote:
> On Mon, 15 Jul 2002, Bruce Momjian wrote:
>
> > > (In related news, how about filling up the oid/relfilenode numbers with
> > > zeros on the left, so a directory listing would reflect the numerical
> > > order?)
> >
> > Problem there is that we increase the size of much of the directory
> > lookups. Not sure if it is worth worrying about.
>
> Probably not such a big deal, since most systems will be reading
> a full block (8K or 16K under *BSD) to load the directory information
> anyway. Doing it in hex would give you only 8-char filenames, anyway.
Yes, hex may be interesting as a more compact, consistent format. We
need to change the docs so oid2name and queries convert to hex on
output.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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