| From: | David Rowley <dgrowleyml(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Onder Kalaci <onderk(at)microsoft(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Assertion failure with LEFT JOINs among >500 relations |
| Date: | 2020-10-19 11:09:08 |
| Message-ID: | CAApHDvqqp0UJ+DNCM94CBohzOmrXvo0SfpACKfGoHdgK5tySFA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, 19 Oct 2020 at 13:06, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> > I guess we could resolve that concern by just changing the failing
> > assert to become: Assert(outer_skip_rows <= outer_rows ||
> > isinf(outer_rows));
>
> I can't really object to just weakening the Assert a tad.
> My thoughts would have run towards checking for the NaN though.
I ended up back-patching a change that does that.
Thanks for your input on this and for the report, Onder.
David
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