On Fri, Mar 20, 2015 at 11:37 PM, Robert Haas <
robertmhaas@gmail.com> wrote:
>
>
> That might be a different crash than the first one you showed. But it
> looks like the problem here is that the parallel sequential scan patch
> is calling CreateParallelContext even though this is just an EXPLAIN
> and we're not actually running the query. It shouldn't do that.
> (This might be an argument for postponing CreateParallelContext()
> until run time, as I've suggested before.)
>
Okay, I have postponed the CreateParallelContext() until runtime in
the latest patch posted on Parallel Seq Scan thread.