Re: Columns correlation and adaptive query optimization

From: David Steele <david(at)pgmasters(dot)net>
To: Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Columns correlation and adaptive query optimization
Date: 2020-03-25 13:00:39
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On 3/25/20 6:57 AM, Konstantin Knizhnik wrote:
> On 24.03.2020 20:12, David Steele wrote:
>> On 12/24/19 3:15 AM, Konstantin Knizhnik wrote:
>>> New version of patch implicitly adding multicolumn statistic in
>>> auto_explain extension and using it in optimizer for more precise
>>> estimation of join selectivity.
>>> This patch fixes race condition while adding statistics and restricts
>>> generated statistic name to fit in 64 bytes (NameData).
>> This patch no longer applies:
>> The CF entry has been updated to Waiting on Autho
> Rebased patch is attached.

The patch applies now but there are error on Windows and Linux:


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