Re: EXPLAIN VERBOSE with parallel Aggregate

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: EXPLAIN VERBOSE with parallel Aggregate
Date: 2016-04-27 01:56:12
Message-ID: CA+TgmoYHBcmOx-C+RbBj5HT8XNSDOtseQWP4e2N_2KXqup_96Q@mail.gmail.com
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On Tue, Apr 26, 2016 at 9:14 PM, David Rowley
<david(dot)rowley(at)2ndquadrant(dot)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.

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

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