Re: tsearch2 problems / limitations

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@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83