From: | Richard Guo <guofenglinux(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Martijn van Oosterhout <kleptog(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
Subject: | Re: BUG #17564: Planner bug in combination of generate_series(), unnest() and ORDER BY |
Date: | 2022-08-04 03:16:42 |
Message-ID: | CAMbWs49AAq1V18=n37qOmAdWOd0-Y=_Z6Wy1gWM2=FeqJWbrCQ@mail.gmail.com |
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Lists: | pgsql-bugs |
On Thu, Aug 4, 2022 at 9:55 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Richard Guo <guofenglinux(at)gmail(dot)com> writes:
> > I'm reproducing this bug in HEAD with the repro given by Martijn, but
> > with some additional GUC sets:
>
> > set enable_hashjoin to off;
> > set enable_mergejoin to off;
> > set enable_indexscan to off;
> > set enable_bitmapscan to off;
>
> Hm, does not work for me ... although I assume you mean bc76f5ac4
> or before? It should definitely not happen after 1aa8dad41,
> unless there's an additional bug ...
Yeah, I tested in bc76f5ac4. Attached is a regression test I composed.
I tested it locally and it can catch this bug before 1aa8dad41 and give
the expected answer after 1aa8dad41.
Thanks
Richard
Attachment | Content-Type | Size |
---|---|---|
v1-0001-Test-we-disallow-pushing-down-SRF-pathkeys.patch | application/octet-stream | 2.7 KB |
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