Re: REINDEX INDEX results in a crash for an index of pg_class since 9.6

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От Tom Lane
Тема Re: REINDEX INDEX results in a crash for an index of pg_class since 9.6
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Msg-id 17927.1556839099@sss.pgh.pa.us
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Ответ на Re: REINDEX INDEX results in a crash for an index of pg_class since9.6  (Andres Freund <andres@anarazel.de>)
Ответы Re: REINDEX INDEX results in a crash for an index of pg_class since9.6  (Michael Paquier <michael@paquier.xyz>)
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Andres Freund <andres@anarazel.de> writes:
> On 2019-05-02 16:54:11 -0400, Tom Lane wrote:
>> I just finished a successful run of the core regression tests with CCA.
>> Given the calendar, I think that's about as much CCA testing as I should
>> do personally.  I'll make a cleanup pass on this patch and try to get it
>> pushed within a few hours, if there are not objections.

> Sounds good to me.

Pushed --- hopefully, we have enough time before Sunday that we can get
reasonably complete buildfarm testing.

I did manually verify that all branches get through "reindex table
pg_class" and "reindex index pg_class_oid_index" under
CLOBBER_CACHE_ALWAYS, as well as a normal-mode check-world.  But CCA
world runs seem like a good idea.

As far as a permanent test scheme goes, I noticed while testing that
src/bin/scripts/t/090_reindexdb.pl and
src/bin/scripts/t/091_reindexdb_all.pl seem to be giving us a good
deal of coverage on this already, although of course they never caught the
problem with non-HOT updates, nor any of the deadlock issues.  Still,
it seems like maybe a core regression test that's been lobotomized enough
to be perfectly parallel-safe might not give us more coverage than can
be had there.

            regards, tom lane



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