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Re: [EXTERNAL]Re: BUG #19094: select statement on postgres 17 vs postgres 18 is returning different/duplicate results - Mailing list pgsql-bugs

From Tom Lane
Subject Re: [EXTERNAL]Re: BUG #19094: select statement on postgres 17 vs postgres 18 is returning different/duplicate results
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Msg-id 2754299.1761753613@sss.pgh.pa.us
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In response to Re: [EXTERNAL]Re: BUG #19094: select statement on postgres 17 vs postgres 18 is returning different/duplicate results  (Richard Guo <guofenglinux@gmail.com>)
Responses Re: [EXTERNAL]Re: BUG #19094: select statement on postgres 17 vs postgres 18 is returning different/duplicate results
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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

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