Re: Columns correlation and adaptive query optimization

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: https://commitfest.postgresql.org/27/2386/
>
> The CF entry has been updated to Waiting on Author.
>
> Regards,

Rebased patch is attached.

-- 
Konstantin Knizhnik
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company