Re: Tsearch1 problem - Mailing list pgsql-admin

From Oleg Bartunov
Subject Re: Tsearch1 problem
Date
Msg-id Pine.GSO.4.58.0402242127500.19870@ra.sai.msu.su
Whole thread Raw
In response to Re: Tsearch1 problem  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-admin
On Tue, 24 Feb 2004, Tom Lane wrote:

> Oleg Bartunov <oleg@sai.msu.su> writes:
> > Also, I run test on 7.3.3
> > Everything  is ok.
> > I see your version of postgresql is outdated (you may upgrade at least
> > to 7.3.5 !) and most suspicious is the version of your compiler 2.96 !
>
> There was at least one post-7.3 bug fix in tsearch, according to the CVS
> logs.  Could this be it?

Most probable  !


>
> 2002-12-06 00:15  momjian
>
>     * contrib/tsearch/morph.c (REL7_3_STABLE): Thank you very much, you
>     catch it :). This bug had a long life, because it exists if and
>     only if locale of postmaster was a different from C (or
>     ru_RU.KOI8-R).
>
>     Please, apply patch for current CVS & 7.3.1
>
>     Magnus Naeslund(f) wrote:
>     > Ok, I nailed the bug, but i'm not sure what the correct fix is.
>     > Attached tsearch_morph.diff that remedies this problem by
>     avoiding it.
>     > Also there's a debug aid patch if someone would like to know how
>     i
>     > finally found it out :)
>     >
>     > There problem in the lemmatize() function is that GETDICT(...)
>     returned
>     > a value not handled (BYLOCALE).
>     > The value (-1) and later used as an index into the dicts[] array.
>     > After that everything went berserk stack went crazy somehow so
>     trapping
>     > the fault sent me to the wrong place, and every time i read the
>     value it
>     > was positive ;)
>     >
>     > So now i just return the initial word passed to the lemmatize
>     function,
>     > because i don't know what to do with it.
>
>     Magnus Naeslund
>
>             regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: the planner will ignore your desire to choose an index scan if your
>       joining column's datatypes do not match
>

    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

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