Horton

Re: v12.0: ERROR: could not find pathkey item to sort

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Justin Pryzby <pryzby@telsasoft.com>
Cc: pgsql-hackers@lists.postgresql.org
Date: 2019-10-11T19:13:02Z
Lists: pgsql-hackers 
Justin Pryzby <pryzby@telsasoft.com> writes:
> On Fri, Oct 11, 2019 at 10:48:37AM -0400, Tom Lane wrote:
>> Could you provide a self-contained test case please?

> I'm suspecting this; is it useful to test with this commit reverted ?

I wouldn't bother; we'd still need a test case to find out what the
problem is.

			regards, tom lane

Commits

  1. Generate EquivalenceClass members for partitionwise child join rels.

  2. Suppress Append and MergeAppend plan nodes that have a single child.