Re: explain analyze output with parallel workers - question about meaning of information for explain.depesz.com

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: Thomas Munro <thomas.munro@enterprisedb.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>, Hubert Lubaczewski <depesz@depesz.com>, pgsql-hackers mailing list <pgsql-hackers@postgresql.org>
Date: 2017-12-08T19:31:52Z
Lists: pgsql-hackers
On Fri, Dec 8, 2017 at 2:22 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> On Sat, Dec 9, 2017 at 6:42 AM, Robert Haas <robertmhaas@gmail.com> wrote:
>> On Fri, Dec 8, 2017 at 5:11 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>>> The regression test added by patch needs cleanup at the end which I
>>> have added in the attached patch.
>>
>> OK, so you've got a test case now, but Thomas independently submitted
>> a test case patch.  Which one is more awesome?  :-)
>
> My test case is for Hash nodes and Amit's is for Sort nodes.  Surely
> both should be covered?

Oh, yeah.  I totally missed that detail, sorry.

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


Commits

  1. Back-port fix for accumulation of parallel worker instrumentation.

  2. Test instrumentation of Hash nodes with parallel query.

  3. Try again to fix accumulation of parallel worker instrumentation.

  4. Revert "Fix accumulation of parallel worker instrumentation."

  5. Fix accumulation of parallel worker instrumentation.