From: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Erik Rijkers <er(at)xs4all(dot)nl>, Alexander Korotkov <akorotkov(at)postgresql(dot)org>, pgsql-committers <pgsql-committers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: pgsql: Improve handling of NULLs in KNN-GiST and KNN-SP-GiST |
Date: | 2019-09-19 20:47:43 |
Message-ID: | CAPpHfdu2wcoAVAm3Ek66rP=uo_C-D84++uf1VEcbyi_caBXWCA@mail.gmail.com |
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On Thu, Sep 19, 2019 at 11:43 PM Alexander Korotkov
<a(dot)korotkov(at)postgrespro(dot)ru> wrote:
> On Thu, Sep 19, 2019 at 11:31 PM Alexander Korotkov
> <a(dot)korotkov(at)postgrespro(dot)ru> wrote:
> >
> > On Thu, Sep 19, 2019 at 11:13 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >>
> >> Erik Rijkers <er(at)xs4all(dot)nl> writes:
> >> > Oops:
> >> > create_index ... ok 634 ms
> >> > create_index_spgist ... FAILED 438 ms
> >> > create_view ... ok 329 ms
> >>
> >> I'm betting the issue is breaking the Datum abstraction here:
> >>
> >> - scan->xs_orderbyvals[i] = Float8GetDatum(distanceValues[i]);
> >> + scan->xs_orderbyvals[i] = item->distances[i].value;
> >
> >
> > Overseen by me. Will fix immediately.
>
>
> Fix pushed from 11 to 9.5, where I made this error during backpatching.
>
> However, I also see set of failures in master, which seems related to
> this patch:
> * https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=dromedary&dt=2019-09-19%2020%3A09%3A42
> * https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=crake&dt=2019-09-19%2020%3A04%3A22
> * https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=tern&dt=2019-09-19%2019%3A22%3A01
>
> Will investigate them.
Both dromedary and tern, where segfault happened, are 32-bit. Bug
seems related to USE_FLOAT8_BYVAL or something.
------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
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