Re: Instability of partition_prune regression test results

Amit Langote <amitlangote09(at)gmail(dot)com> writes:
> On Fri, Sep 27, 2019 at 7:25 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I experimented with adjusting explain_parallel_append() to filter
>> more fields, but soon realized that we'd have to filter out basically
>> everything that makes it useful to run EXPLAIN ANALYZE at all.
>> Therefore, I think it's time to give up this testing methodology
>> as a bad idea, and fall back to the time-honored way of running a
>> plain EXPLAIN and then the actual query, as per the attached patch.

> Isn't the point of using ANALYZE here to show that the exec-param
> based run-time pruning is working (those "never executed" strings)?

Hm. Well, if you want to see those, we could do it as attached.

regards, tom lane