Re: How to pass around collation information

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От Peter Eisentraut
Тема Re: How to pass around collation information
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Msg-id 1275074422.12068.18.camel@vanquo.pezone.net
обсуждение исходный текст
Ответ на Re: How to pass around collation information  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: How to pass around collation information  (Robert Haas <robertmhaas@gmail.com>)
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On fre, 2010-05-28 at 15:03 -0400, Robert Haas wrote:
> I think we need to think of the comparison operators as ternary, and
> the COLLATE syntax applied to columns or present in queries as various
> ways of setting defaults or explicit overrides for what the third
> argument will end up being.

How could this extend to things like isalpha() or upper() that would
need access to ctype information?

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