Re: 7.0.3 reproduceable serious select error
От | Rob van Nieuwkerk |
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Тема | Re: 7.0.3 reproduceable serious select error |
Дата | |
Msg-id | 200101182123.WAA07956@verdi.et.tudelft.nl обсуждение исходный текст |
Ответ на | Re: 7.0.3 reproduceable serious select error (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: 7.0.3 reproduceable serious select error
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Список | pgsql-hackers |
Tom Lane wrote: > > robn@verdi.et.tudelft.nl (Rob van Nieuwkerk) writes: > > The problem is that a SELECT with a certain LIKE condition in combination > > with a GROUP BY does not find the proper records when there is an index on > > the particular column present. When the index is removed the SELECT *does* > > return the right answer. > > Are you running the postmaster in a non-ASCII locale? This sounds like > the old LIKE index optimization problem that we've struggled with for > quite a while now. 7.1 works around it by disabling the optimization > in non-ASCII locales, which is unpleasant but at least it gives right > answers ... Hi Tom, I don't think I'm running postmaster in a non-ASCII locale. At least I did not explicitly do anything to accomplish it. I'm running with the default settings from the RPMs and didn't change any default setting. I peeked in some manual pages but couldn't find info quickly about this setting. Please tell me how to check it if you want to know ! Thank you for your reaction. greetings,Rob van Nieuwkerk
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