From: | Thorbjörn Eriksson <thorbjorn(dot)eriksson(at)ec(dot)se> |
---|---|
To: | <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: Stripping white-space in SELECT statments |
Date: | 2002-09-23 14:28:41 |
Message-ID: | MFEPJLNKECPAPFDGGEIMMEOJCBAA.thorbjorn.eriksson@ec.se |
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Thread: | |
Lists: | pgsql-sql |
Thank's Tom Lane & Stephan Szabo for pointing out the problem to me.
After some testing it turned out that the swedish locale, 'sv_SE', doesn't
handle sorting spaces as expected, which probably made the SELECT fail. On
the other hand, if I use the 'C' locale, the SELECT works but not the sort
order of the swedish characters 'åäö'.
Does anyone know a solution to this problem, or could give me a hint?
> -----Ursprungligt meddelande-----
> Från: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
> Skickat: den 19 september 2002 16:32
> Till: thorbjorn(dot)eriksson(at)ec(dot)se
> Kopia: pgsql-sql(at)postgresql(dot)org
> Ämne: Re: [SQL] Stripping white-space in SELECT statments
>
>
> =?iso-8859-1?Q?Thorbj=F6rn_Eriksson?= <thorbjorn(dot)eriksson(at)ec(dot)se> writes:
> > I've encountered a strange behavior in postgres 7.2.1 regarding how psql
> > handles strings ending with space characters.
>
> Perhaps you are running in a non-C locale? A lot of locales have
> sorting rules that are pretty weird about whitespace.
>
> > The reason that we don't use 'LIKE 201901 %' is that it don't use
> > the index
>
> This suggests strongly that you are in a non-C locale. Your external
> software seems to be emulating the standard LIKE-to-index optimization;
> which as you are now discovering, does not work with non-C sorting
> rules (so the system doesn't try to apply it).
>
> regards, tom lane
>
>
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