Horton

Re: BUG #15857: Parallel Hash Join makes join instead of exists

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: krujkov@gmail.com, PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>
Date: 2019-06-18T14:05:58Z
Lists: pgsql-bugs 
Thomas Munro <thomas.munro@gmail.com> writes:
> Thanks for the fast review.  Updated.  I'll default to waiting until
> after I see the tags for the release that's in progress unless you
> think it should be included.

OK to push as far as I'm concerned.  I am not expecting to have to
re-wrap given the lack of packagers complaints so far, and if we
do re-wrap, I'd be OK with including this fix.

			regards, tom lane

Commits

  1. Prevent Parallel Hash Join for JOIN_UNIQUE_INNER.