Re: EXTRACT Clarification
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)
Список
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
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