| From: | Justin Pryzby <pryzby(at)telsasoft(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org, Amit Langote <amitlangote09(at)gmail(dot)com> |
| Subject: | Re: v12.0: ERROR: could not find pathkey item to sort |
| Date: | 2019-10-13 18:30:29 |
| Message-ID: | 20191013183029.GI4475@telsasoft.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On Sun, Oct 13, 2019 at 02:06:02PM -0400, Tom Lane wrote:
> Justin Pryzby <pryzby(at)telsasoft(dot)com> writes:
> > On Fri, Oct 11, 2019 at 10:48:37AM -0400, Tom Lane wrote:
> >> Could you provide a self-contained test case please?
>
> > [ test case ]
>
> Oh, this is the same issue Amit described in
>
> https://www.postgresql.org/message-id/flat/CA%2BHiwqG2WVUGmLJqtR0tPFhniO%3DH%3D9qQ%2BZ3L_ZC%2BY3-EVQHFGg%40mail.gmail.com
>
> namely that we're not generating EquivalenceClass members corresponding
> to sub-joins of a partitionwise join.
>
> Are you interested in helping to test the patches proposed there?
Sure. Any requests other than testing that our original query works correctly
and maybe endeavoring to read the patch ?
BTW it probably should've been documented as an "Open Item" for v12.
--
Justin Pryzby
System Administrator
Telsasoft
+1-952-707-8581
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