Re: Re: NOT IN subquery optimization

On 2/27/19 2:26 AM, David Rowley wrote:
> On Wed, 27 Feb 2019 at 13:13, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>
>> "Li, Zheng" <zhelli(at)amazon(dot)com> writes:
>>> However, given that the March CommitFest is imminent and the runtime smarts patent concerns David had pointed out (which I was not aware of before), we would not move that direction at the moment.
>>
>>> I propose that we collaborate to build one patch from the two patches submitted in this thread for the CF.
>>
>> TBH, I think it's very unlikely that any patch for this will be seriously
>> considered for commit in v12. It would be against project policy, and
>> spending a lot of time reviewing the patch would be quite unfair to other
>> patches that have been in the queue longer. Therefore, I'd suggest that
>> you not bend things out of shape just to have some patch to submit before
>> March 1. It'd be better to work with the goal of having a coherent patch
>> ready for the first v13 CF, probably July-ish.
>
> FWIW, I did add this to the March CF, but I set the target version to
> 13. I wasn't considering this for PG12. I see Zheng was, but I agree
> with you on PG13 being the target for this.

Looks like the target version of 13 was removed but I have added it back.

Regards,
--
-David
david(at)pgmasters(dot)net