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

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От Robert Haas
Тема Re: explain analyze output with parallel workers - question aboutmeaning of information for explain.depesz.com
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Msg-id CA+TgmoanjYidCHL-8=8OmNJ1j_3q4Jh-AQDw7PNm21VSXO7bZw@mail.gmail.com
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Ответ на Re: explain analyze output with parallel workers - question aboutmeaning of information for explain.depesz.com  (Amit Kapila <amit.kapila16@gmail.com>)
Ответы Re: explain analyze output with parallel workers - question aboutmeaning of information for explain.depesz.com  (Amit Kapila <amit.kapila16@gmail.com>)
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On Sat, Dec 9, 2017 at 5:30 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> On Sat, Dec 9, 2017 at 1:24 AM, Robert Haas <robertmhaas@gmail.com> wrote:
>> On Fri, Dec 8, 2017 at 5:11 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>>>> Okay, I have adjusted the patch accordingly.  I have also added a
>>>> regression test which should produce the same result across different
>>>> runs, see if that looks okay to you, then it is better to add such a
>>>> test as well.
>>>
>>> The regression test added by patch needs cleanup at the end which I
>>> have added in the attached patch.
>>
>> Hmm.  If we're going this way, then shouldn't we revert the changes
>> commit 2c09a5c12a66087218c7f8cba269cd3de51b9b82 made to
>> ExecParallelRetrieveInstrumentation?
>>
>
> Yeah, it is better to revert it as ideally that is not required after
> this patch and that is what I have tried to convey above ("Ideally, it
> would have obviated the need for my previous patch which
> got committed as 778e78ae." (The commit id is for branch 10,
> otherwise, it is same as what you mention.)).  I have locally reverted
> that patch and then rebased it on top of that.

Uh, should I just revert that commit entirely first, and then we can
commit the new fix afterward?

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


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