Re: [HACKERS] intermittent failures in Cygwin from select_parallel tests - Mailing list pgsql-hackers

Robert Haas <robertmhaas@gmail.com> writes:
> On Thu, Jun 15, 2017 at 10:38 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> ... er, -ENOCAFFEINE.  Nonetheless, there are no checks of
>> EXEC_FLAG_EXPLAIN_ONLY in any parallel-query code, so I think
>> a bet is being missed somewhere.

> ExecGather() is where workers get launched, and that ain't happening
> if EXEC_FLAG_EXPLAIN_ONLY is set, unless I am *very* confused about
> how this works.

Ah, you're right, it's done during first execution not during InitPlan.
Nevermind ...
        regards, tom lane