Re: pgsql: Add parallel-aware hash joins.

Andres Freund <andres@anarazel.de> writes:
> On 2018-01-24 15:36:35 -0500, Tom Lane wrote:
>> I'm concerned that we'd end up with a higher number of irreproducible
>> test failures with no good way to investigate them.

> Hm. We probably should dump the used ordering of tests somwhere upon
> failure, to make it easier to debug.

The progress-display output of pg_regress would need a complete rethink
anyhow.  First thought is to emit two lines per test, one when we
launch it and one when it finishes and we check the results:

foreign_data: launched
...
foreign_data: ok           (or FAILED)

            regards, tom lane