From: | Stephen Frost <sfrost(at)snowman(dot)net> |
---|---|
To: | Jeff Davis <pgsql(at)j-davis(dot)com> |
Cc: | Nicholas White <n(dot)j(dot)white(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Troels Nielsen <bn(dot)troels(at)gmail(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" <pgsql-hackers(at)postgresql(dot)org>, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
Subject: | Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls |
Date: | 2016-04-14 20:29:32 |
Message-ID: | 20160414202932.GB10850@tamriel.snowman.net |
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Lists: | pgsql-hackers |
Jeff
(Reviving an old thread for 2014...)
* Jeff Davis (pgsql(at)j-davis(dot)com) wrote:
> On Thu, 2014-07-10 at 23:43 -0700, Jeff Davis wrote:
> > On Mon, 2014-07-07 at 01:21 -0700, Jeff Davis wrote:
> > > On Sun, 2014-07-06 at 21:11 -0700, Jeff Davis wrote:
> > > > On Wed, 2014-04-16 at 12:50 +0100, Nicholas White wrote:
> > > > > Thanks for the detailed feedback, I'm sorry it took so long to
> > > > > incorporate it. I've attached the latest version of the patch, fixing
> > > > > in particular:
> >
> > As innocent as this patch seemed at first, it actually opens up a lot of
> > questions.
> >
> > Attached is the (incomplete) edit of the patch so far.
>
> I haven't received much feedback so far on my changes, and I don't think
> I will finish hacking on this in the next few days, so I will mark it
> "returned with feedback".
>
> I don't think it's too far away, but my changes are substantial enough
> (and incomplete enough) that some feedback is required.
Would you have time to work on this for 9.7..? I came across a
real-world use case for exactly this capability and was sorely
disappointed to discover we didn't support it even though there had been
discussion for years on it, which quite a few interested parties.
I'll take a look at reviewing your last version of the patch but wanted
to get an idea of if you still had interest and might be able to help.
Thanks!
Stephen
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