Re: EXTRACT Clarification

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От
Kris Jurka
Тема
Re: EXTRACT Clarification
Дата
Msg-id
Pine.BSO.4.56.0409290825020.14292@leary.csoft.net
Ответ на
EXTRACT Clarification (Thomas F.O'Connell)
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Дерево обсуждения
EXTRACT Clarification Thomas F.O'Connell <tfo@sitening.com>
Re: EXTRACT Clarification Tom Lane <tgl@sss.pgh.pa.us>
Re: EXTRACT Clarification Stephan Szabo <sszabo@megazone.bigpanda.com>
Re: EXTRACT Clarification Thomas F.O'Connell <tfo@sitening.com>
Re: EXTRACT Clarification Tom Lane <tgl@sss.pgh.pa.us>
Re: EXTRACT Clarification Thomas F.O'Connell <tfo@sitening.com>
Re: EXTRACT Clarification Tom Lane <tgl@sss.pgh.pa.us>
Re: EXTRACT Clarification Tom Lane <tgl@sss.pgh.pa.us>
Re: EXTRACT Clarification Thomas F.O'Connell <tfo@sitening.com>
Re: EXTRACT Clarification Kris Jurka <books@ejurka.com>
Re: EXTRACT Clarification Thomas F.O'Connell <tfo@sitening.com>


On Wed, 29 Sep 2004, Thomas F.O'Connell wrote:

> Note: EXTRACT is not a true function. SQL defines it as an expression 
> that happens to look similar to a function call.
> 
> Also, are there other expressions that fall into this category? I don't 
> know the spec well enough to know.

At least COALESCE and NULLIF are not functions.

Kris Jurka
В списке pgsql-docs по дате отправления
От: Kris Jurka
Дата:
Сообщение: Add tablespace index entry
От: Thomas F.O'Connell
Дата:
Сообщение: Re: EXTRACT Clarification
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