Re: [HACKERS] [BUGS] [postgresql 10 beta3] unrecognized node type: 90 - Mailing list pgsql-hackers

Amit Kapila <amit.kapila16@gmail.com> writes:
> On Tue, Aug 29, 2017 at 10:05 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> ! /* Make sure any existing workers are gracefully shut down */
>   ExecShutdownGatherWorkers(node);

> The above call doesn't ensure the shutdown. It just ensures that we
> receive all messages from parallel workers.  Basically, it doesn't
> call WaitForParallelWorkersToExit.

Perhaps you should submit a patch to rename ExecShutdownGatherWorkers
to something less misleading, then.  But the previous comment there
was even more wrong :-(
        regards, tom lane