| From: | Hannu Krosing <hannu(at)tm(dot)ee> |
|---|---|
| To: | "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM> |
| Cc: | Zeugswetter Andreas SB <ZeugswetterA(at)wien(dot)spardat(dot)at>, "'Don Baccus'" <dhogaza(at)pacifier(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, The Hermit Hacker <scrappy(at)hub(dot)org>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Plans for solving the VACUUM problem |
| Date: | 2001-05-29 17:07:16 |
| Message-ID: | 3B13D744.10537597@tm.ee |
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| Lists: | pgsql-hackers |
"Mikheev, Vadim" wrote:
>
> > I know people who rollback most of their transactions
> > (actually they use it to emulate temp tables when reporting).
>
> Shouldn't they use TEMP tables? -:)
They probably should.
Actually they did it on Oracle, so it shows that it can be done
even with O-smgr ;)
> > OTOH it is possible to do without rolling back at all as
> > MySQL folks have shown us ;)
>
> Not with SDB tables which support transactions.
My point was that MySQL was used quite a long time without it
and still quite many useful applications were produced.
BTW, do you know what strategy is used by BSDDB/SDB for
rollback/undo ?
---------------
Hannu
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