Re: Optimisation deficiency: currval('seq')-->seq scan, constant-->index scan

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От The Hermit Hacker
Тема Re: Optimisation deficiency: currval('seq')-->seq scan, constant-->index scan
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Msg-id Pine.BSF.4.21.0010140137050.637-100000@thelab.hub.org
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Ответ на Re: Optimisation deficiency: currval('seq')-->seq scan, constant-->index scan  (Bruce Momjian <pgman@candle.pha.pa.us>)
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On Sat, 14 Oct 2000, Bruce Momjian wrote:

> > On Mon, 21 Aug 2000, Tom Lane wrote:
> > 
> > > >   One thing it might be interesting (please tell me if you think
> > > > otherwise) would be to improve pg with better statistical information, by
> > > > using, for example, histograms.
> > > 
> > > Yes, that's been on the todo list for a while.
> > 
> >   If it's ok and nobody is working on that, I'll look on that subject.
> >   I'll start by looking at the analize portion of vacuum. I'm thinking in
> > using arrays for the histogram (I've never used the array data type of
> > postgres).
> >   Should I use 7.0.2 or the cvs version?

and, to answer what appears to have been missed ... use the CVS version
for anything like this *nod* *grin*




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