Re: Combining Aggregates
| От | Simon Riggs |
|---|---|
| Тема | Re: Combining Aggregates |
| Дата | |
| Msg-id | CANP8+jKHsc452Dk7+_1SDRQai5ie2OA1k9HxEANM9EujO=x_hA@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Combining Aggregates (David Rowley <david.rowley@2ndquadrant.com>) |
| Список | pgsql-hackers |
On 6 April 2016 at 22:28, David Rowley <david.rowley@2ndquadrant.com> wrote:
--
On 7 April 2016 at 09:25, Simon Riggs <simon@2ndquadrant.com> wrote:
> On 5 April 2016 at 19:33, Robert Haas <robertmhaas@gmail.com> wrote:
>
>>
>> Committed 0002+0003 with those changes, some minor cosmetic stuff, and
>> of course the obligatory catversion bump. Oh, and fixed an OID
>> conflict with the patch Magnus just committed.
>
>
> Is that everything now? I don't see anything about combining aggs in the git
> log and this is still showing as UnCommitted in the CF app.
There's just a documentation patch and two combine functions for
floating point aggs left now (Haribabu's patch)
Ah, I see, it was the commit about "multi-stage aggregation".
So SELECT sum(x), avg(x) is now optimized?
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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