Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls

From: Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>
To: Nicholas White <n(dot)j(dot)white(at)gmail(dot)com>
Cc: Jeff Davis <pgsql(at)j-davis(dot)com>, Troels Nielsen <bn(dot)troels(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls
Date: 2013-07-01 11:51:13
Message-ID: CAEZATCWE5AqpVns9YnM9sRkU-+mFTHDVfvQaaG14_CjqXd-4Jw@mail.gmail.com
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On 1 July 2013 03:07, Nicholas White <n(dot)j(dot)white(at)gmail(dot)com> wrote:
> I've attached another iteration of the patch that fixes the multiple-window
> bug and adds (& uses) a function to create a Bitmapset using a custom
> allocator. I don't think there's any outstanding problems with it now.
>

I just realised there is another issue (sorry). pg_get_viewdef() needs
to be updated so that dumping and restoring a view that uses
ignore/respect nulls works properly.

Regards,
Dean

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