Re: Composite GiST indexes?

From: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Composite GiST indexes?
Date: 2004-01-05 08:34:55
Message-ID: Pine.GSO.4.58.0401051134330.25006@ra.sai.msu.su
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On Mon, 5 Jan 2004, Christopher Kings-Lynne wrote:

> >>Is it possible to make a composite GiST index? I want to create an
> >>index on a txtidx and a timestamp column - is that at all possible?
>
> OK, this is what I'm trying (7.3.4):
>
> create index blah on forums_posts using gist(ftiidx, datetime);
>
> ERROR: data type timestamp with time zone has no default operator class
> for access method "gist"
> You must specify an operator class for the index or define a
> default operator class for the data type
>
> I guess I can put an ops indicator in there, but I have no idea what to
> try using...

install contrib/btree_gist

>
> Chris
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 8: explain analyze is your friend
>

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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