Re: Validating problem in the isn contrib module
От | Bernd Helmle |
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Тема | Re: Validating problem in the isn contrib module |
Дата | |
Msg-id | FCC43E475C076688490CFCAB@teje обсуждение исходный текст |
Ответ на | Re: Validating problem in the isn contrib module (Andreas 'ads' Scherbaum <adsmail@wars-nicht.de>) |
Ответы |
Re: Validating problem in the isn contrib module
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Список | pgsql-hackers |
--On Freitag, März 06, 2009 11:32:14 +0100 Andreas 'ads' Scherbaum <adsmail@wars-nicht.de> wrote: > No. > Straight from the source: > > -- isn_weak(boolean) - Sets the weak input mode. > -- This function is intended for testing use only! > > > The validator function should use the weak mode for itself to return > 'f' in case of invalid input. It cannot be the users job to make sure a > validator function is working as expected. > I don't see anything that's not already documented. is_valid() checks the presence of the invalid (!) marker only. It looks like the author never intended is_valid() to be a "check wether this ISBN is semantically correct", this is done by the input routines before. I agree that the naming is a little bit misleading. -- Thanks Bernd
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