Re: FETCH FIRST

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От Simon Riggs
Тема Re: FETCH FIRST
Дата
Msg-id 1206457863.4285.937.camel@ebony.site
обсуждение исходный текст
Ответ на Re: FETCH FIRST  (Bruce Momjian <bruce@momjian.us>)
Ответы Re: FETCH FIRST  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Tue, 2008-03-25 at 10:45 -0400, Bruce Momjian wrote:
> Simon Riggs wrote:
> > SQL200n specifies a new command similar to our LIMIT
> > 
> > FETCH { FIRST | NEXT } n { ROW | ROWS } ONLY
> > 
> > and also that the OFFSET command can have an optional suffix
> > 
> > { ROW | ROWS }
> > 
> > Seems like a % project for the TODO list
> 
> Where does this FETCH appear in a SELECT?

It's supposed to go *after* the OFFSET clause in a query, but making it
a simple synonym for LIMIT seems most sensible.

It's also allowed as part of the WITH clause (that we don't yet have).

--  Simon Riggs 2ndQuadrant  http://www.2ndQuadrant.com 
 PostgreSQL UK 2008 Conference: http://www.postgresql.org.uk



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