Re: bad estimation together with large work_mem generates terrible slow hash joins - Mailing list pgsql-hackers

From Tomas Vondra
Subject Re: bad estimation together with large work_mem generates terrible slow hash joins
Date
Msg-id 541360EF.7030207@fuzzy.cz
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In response to Re: bad estimation together with large work_mem generates terrible slow hash joins  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On 12.9.2014 22:24, Robert Haas wrote:
> On Fri, Sep 12, 2014 at 3:39 PM, Tomas Vondra <tv@fuzzy.cz> wrote:
>>
>> Yes, I like those changes and I think your reasoning is correct in both
>> cases. It certainly makes the method shorter and more readable - I was
>> too "stuck" in the original logic, so thanks for improving this.
>>
>> So +1 from me to those changes.
>
> OK, committed.  Please rebase the rest.

Attached is v15 of the patch, rebased to current HEAD.

Tomas

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