On Tue, Nov 12, 2019 at 5:03 PM Thomas Munro <thomas.mu...@gmail.com> wrote: > On Tue, Nov 12, 2019 at 4:23 PM Thomas Munro <thomas.mu...@gmail.com> wrote: > > On Tue, Nov 12, 2019 at 4:20 PM Kyotaro Horiguchi > > <horikyota....@gmail.com> wrote: > > > The previous patch would be wrong. The root cause is a open batch so > > > the right thing to be done at scan end is > > > ExecHashTableDeatchBatch. And the real issue here seems to be in > > > ExecutePlan, not in PHJ. > > > > You are right. Here is the email I just wrote that says the same > > thing, but with less efficiency: > > And yeah, your Make_parallel_shutdown_on_broken_channel.patch seems > like the real fix here. It's not optional to run that at > end-of-query, though you might get that impression from various > comments, and it's also not OK to call it before the end of the query, > though you might get that impression from what the code actually does.
Here's the version I'd like to commit in a day or two, once the dust has settled on the minor release. Instead of adding yet another copy of that code, I just moved it out of the loop; this way there is no way to miss it. I think the comment could also be better, but I'll wait for the concurrent discussions about the meaning of ExecShutdownNode() to fix that in master.
0001-Make-sure-we-call-ExecShutdownNode-if-appropriate.patch
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