Horton

Re: Perfomance bug in v10

Claudio Freire <klaussfreire@gmail.com>

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From: Claudio Freire <klaussfreire@gmail.com>
To: Teodor Sigaev <teodor@sigaev.ru>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, David Rowley <david.rowley@2ndquadrant.com>, Teodor Sigaev <teodor@postgrespro.ru>, Pgsql Hackers <pgsql-hackers@postgresql.org>
Date: 2017-06-02T14:50:56Z
Lists: pgsql-hackers 
On Fri, Jun 2, 2017 at 11:46 AM, Teodor Sigaev <teodor@sigaev.ru> wrote:
>> There were old threads about considering a risk factor when estimating
>> plans, and I'm thinking this issue is the planner failing to do
>> exactly that.
>>
> I'm afraid it's tool late for v10

Clearly

Commits

  1. Fix old corner-case logic error in final_cost_nestloop().

  2. Fix copy/paste mistake in comment