Re: [sqlsmith] Failed assertion in joinrels.c

On Fri, Aug 7, 2015 at 9:21 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Andreas Seltenreich <seltenreich(at)gmx(dot)de> writes:
>> Tom Lane writes:
>>> On 08/01/2015 05:59 PM, Tom Lane wrote:
>>>> Well, I certainly think all of these represent bugs:
>>>> 1 | ERROR: could not find pathkey item to sort
>
>>> Hmm ... I see no error with these queries as of today's HEAD or
>>> back-branch tips. I surmise that this was triggered by one of the other
>>> recently-fixed bugs, though the connection isn't obvious offhand.
>
>> I still see this error in master as of b8cbe43, but the queries are
>> indeed a pita to reproduce. The one below is the only one so far that
>> is robust against running ANALYZE on the regression db, and also
>> reproduces when I run it as an EXTRA_TEST with make check.
>
> Got that one, thanks! But we've seen this error message before in all
> sorts of weird situations, so I wouldn't assume that all the cases you've
> come across had the same cause.

(resurrecting an old thread)

This is still failing:
=# select indexdef from pg_catalog.pg_indexes where indexdef is not NULL;
ERROR: XX000: cache lookup failed for index 2619
LOCATION: pg_get_indexdef_worker, ruleutils.c:1054
Do we want to improve at least the error message?
--
Michael