| From: | David Rowley <dgrowleyml(at)gmail(dot)com> |
|---|---|
| To: | Hannu Krosing <hannu(at)2ndquadrant(dot)com> |
| Cc: | Ants Aasma <ants(dot)aasma(at)eesti(dot)ee>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Greg Stark <stark(at)mit(dot)edu>, Josh Berkus <josh(at)agliodbs(dot)com> |
| Subject: | Re: [PATCH] Negative Transition Aggregate Functions (WIP) |
| Date: | 2013-12-17 09:51:26 |
| Message-ID: | CAApHDvq-22RpW-XAEVeOd952LHhY-DU=D5o=rLueeLTbmEX3bQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Dec 16, 2013 at 9:36 PM, Hannu Krosing <hannu(at)2ndquadrant(dot)com>wrote:
> On 12/16/2013 08:39 AM, David Rowley wrote:
>
>
> Any other ideas or +1's for any of the existing ones?
>
> +1, inverse good :)
>
>
In the attached patch I've renamed negative to inverse. I've also disabled
the inverse functions when an expression in an aggregate contains a
volatile function.
Regards
David Rowley
| Attachment | Content-Type | Size |
|---|---|---|
| inverse_aggregate_functions_v1.0.patch.gz | application/x-gzip | 14.2 KB |
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