| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
| Cc: | Robert Haas <rhaas(at)postgresql(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Subject: | Re: pgsql: Fix parallel index and index-only scans to fall back to serial. |
| Date: | 2018-07-13 21:19:29 |
| Message-ID: | CAKFQuwYSMMDS9vDYHqvk46HaDb2BbHPHmrZ=EaMsOCTfnek1cg@mail.gmail.com |
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On Fri, Jul 13, 2018 at 12:22 PM, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
wrote:
> Hi!
>
> I just bumped into this comment, from commit 09529a70bb5, and I can't make
> sense of it:
>
> + /*
>> + * We reach here if the index only scan is not parallel,
>> or if we're
>> + * executing a index only scan that was intended to be
>> parallel
>> + * serially.
>> + */
>>
>
> What was that intended to say?
>
>
I think...
...or if we're serially executing a[n] index only scan that was intended
to be [executed in] parallel
s/intended/planned/ ?
David J.
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