From: | Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
---|---|
To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | <pgsql-hackers(at)postgresql(dot)org>, <scrappy(at)hub(dot)org> |
Subject: | Re: new version of contrib-intarray |
Date: | 2001-01-27 07:18:53 |
Message-ID: | Pine.GSO.4.31.0101271015310.23768-100000@ra.sai.msu.su |
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Lists: | pgsql-hackers |
On Sat, 27 Jan 2001, Bruce Momjian wrote:
>
> Oleg, do you want this in /contrib for 7.1?
yes, if it's possible.
btw, is there way to specify default ops for index ?
We have two methods of index creation for intarrays and
would like to define which should be used by default
>
> > Mark,
> >
> > we prepared new version of contrib-intarray -
> > index support for 1-D integer arrays using GiST.
> >
> > Changes:
> >
> >
> > - Improved regression test
> > - Current implementation provides index support for one-dimensional
> > array of int4's - gist__int_ops, suitable for small and medium size
> > of arrays, and gist__intbig_ops for indexing large arrays
> > (we use superimposed signature with length of 4096 bits to represent sets,
> > see Sven Helmer,1997).
> >
> > Archive is available from
> > http://www.sai.msu.su/~megera/postgres/gist/code/7.1/contrib-intarray.tar.gz
> >
> > Regards,
> > Oleg
> > _____________________________________________________________
> > Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
> > Sternberg Astronomical Institute, Moscow University (Russia)
> > Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
> > phone: +007(095)939-16-83, +007(095)939-23-83
> >
> >
>
>
>
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83
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