Richard Guo <guofenglinux@gmail.com> writes:
> After spending a bit more time experimenting, I couldn't find a better
> query that shows a large difference between the costs of the PRSJ plan
> and the patched version plan.  So I've updated the test case to use
> the aforementioned one.  I also removed the reset statements and
> switched to the begin/rollback pattern for the test case.
v2 patch LGTM.
            regards, tom lane