Re: [SQL] Strange behavior

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От Bruce Momjian
Тема Re: [SQL] Strange behavior
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Msg-id 199905101634.MAA07355@candle.pha.pa.us
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Ответ на Re: [SQL] Strange behavior  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-sql
> Christophe Labouisse <labouiss@cybercable.fr> writes:
> >> As a temporary measure you could rebuild with USE_LOCALE turned on;
> >> the parser code is set up not to generate the <= clause if that's
> >> defined.  But we need a better solution.
> 
> > Hmm that's strange I though I compiled already with locale
> > enabled.
> 
> Hmm.  According to the cvs logs, G�ran Thyni applied a patch on Feb 2
> to disable the \377 thing when USE_LOCALE is defined.  How old did you
> say your source was?  Look in backend/parser/gram.y, routine
> makeIndexable(), to see if there is an #ifdef USE_LOCALE; also check
> gram.c to make sure it has the same text for the routine (I'm wondering
> if you might have an out-of-date gram.c...)
> 
> > Anyway I'll check it again. Anyway I think that even without locale
> > this optimization can lead to incorrect result if you have a a field
> > starting with \377.
> 
> I agree, the code is wrong even without funny sort ordering.  We'll
> need to find another way.

OK, I agree, but I could never think of a better way.

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