| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Subject: | Re: Combining Aggregates |
| Date: | 2014-12-17 12:31:25 |
| Message-ID: | CA+U5nMJA61QNCjM5Y4f4-2UQ=bhLYwsXt3OuUoNF549QKS4Xzw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 17 December 2014 at 10:20, David Rowley <dgrowleyml(at)gmail(dot)com> wrote:
> On 17 December 2014 at 22:53, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
>>
>> KaiGai, David Rowley and myself have all made mention of various ways
>> we could optimize aggregates.
>>
>> Following WIP patch adds an extra function called a "combining
>> function", that is intended to allow the user to specify a
>> semantically correct way of breaking down an aggregate into multiple
>> steps.
>>
>> Gents, is this what you were thinking? If not...
>>
>
> Very much so! You must have missed my patch.
>
> http://www.postgresql.org/message-id/CAApHDvrZG5Q9rNxU4WOga8AgvAwQ83bF83CFvMbOQcCg8vk=Zw@mail.gmail.com
Very strange that you should post an otherwise unrelated patch on
someone else's thread AND not add the patch to the CommitFest.
Stealth patch submission is a new one on me.
Looks like great minds think alike, at least. Or fools seldom differ.
Please add your patch to the CF app.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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