| From: | Andreas Seltenreich <seltenreich(at)gmx(dot)de> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [sqlsmith] Failed assertion in BecomeLockGroupLeader |
| Date: | 2016-05-05 20:53:13 |
| Message-ID: | 87oa8kw7k6.fsf@credativ.de |
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| Lists: | pgsql-hackers |
Alvaro Herrera writes:
> Robert Haas wrote:
>> On Thu, May 5, 2016 at 4:11 PM, Andreas Seltenreich <seltenreich(at)gmx(dot)de> wrote:
>> > I don't see these crashes anymore in c1543a8. By the amount of fuzzing
>> > done it should have happened a dozen times, so it's highly likely
>> > something in 23b09e15..c1543a8 fixed it.
>>
>> Hmm, I'd guess c45bf5751b6338488bd79ce777210285531da373 to be the most
>> likely candidate.
>
> I thought so too, but then that patch change things in the planner side,
> but it seems to me that the reported crash is in the executor, unless I'm
> misreading.
Tom had a theory in Message-ID: <12751(dot)1461937508(at)sss(dot)pgh(dot)pa(dot)us> on how
the planner bug could cause the executor crash.
regards,
Andreas
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