Re: tsearch2 problems / limitations

From: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
To: James Croft <noemail(at)address(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: tsearch2 problems / limitations
Date: 2005-02-23 08:01:01
Message-ID: Pine.GSO.4.62.0502231058180.28080@ra.sai.msu.su
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On Tue, 22 Feb 2005, James Croft wrote:

> Hi,
>
> I've successfully added tsearch2 to an existing database and the speedup of
> searches is brilliant. I'm now trying to extend this to other parts of our
> system.
>
> One of the tables holds reasonable amounts of text, some fields hold up to
> 2Mb. When I try and run
>
> UPDATE table SET idxfti=to_tsvector('default', field);
>
> it runs for a while then aborts with the following message
>
> ERROR: value is too big
>
> Does anyone know what the problem might be here? Does tsearch2 have
> configurable (or compilable) settings that could get around this?

this is tsearch2 limitation on length of ts_vector about 1mb.
you may stop using postional information for this vector.

>
> Many Thanks,
> James
>
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>

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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