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Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls
Date
Msg-id 20130628154157.GU3757@eldon.alvh.no-ip.org
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In response to Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls  (Robert Haas <robertmhaas@gmail.com>)
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Robert Haas escribió:
> On Thu, Jun 27, 2013 at 8:52 PM, Nicholas White <n.j.white@gmail.com> wrote:

> The documentation you've added reads kind of funny to me:
> 
> +         [respect nulls]|[ignore nulls]
> 
> Wouldn't we normally write that as [ [ RESPECT | IGNORE ] NULLS ] ?

I think it should be
[ { RESPECT | IGNORE } NULLS ]
One of the leading keywords must be present.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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