Re: EXPLAIN VERBOSE with parallel Aggregate

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От Robert Haas
Тема Re: EXPLAIN VERBOSE with parallel Aggregate
Дата
Msg-id CA+TgmoaO0S2p0MG3TdCteOc86r1KEH_iioGw+PK+ooBYEMZMmg@mail.gmail.com
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Ответ на Re: EXPLAIN VERBOSE with parallel Aggregate  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: EXPLAIN VERBOSE with parallel Aggregate  (David Rowley <david.rowley@2ndquadrant.com>)
Список pgsql-hackers
On Tue, Apr 26, 2016 at 9:56 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> On Tue, Apr 26, 2016 at 9:14 PM, David Rowley
> <david.rowley@2ndquadrant.com> wrote:
>> I'd also have expected the output of both partial nodes to be the
>> same, i.e. both prefixed with PARTIAL. Is it intended that they don't?
>> or have I made some other mistake?
>
> No, that's a defect in the patch.  I didn't consider that we need to
> support nodes with finalizeAggs = false and combineStates = true,
> which is why that ERROR was there.  Working on a fix now.

I think this version should work, provided you use
partial_grouping_target where needed.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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