On Thu, Mar 21, 2024 at 11:37:50AM +0000, 
fujii.y...@df.mitsubishielectric.co.jp wrote:
> Hi. Mr.Momjian, Mr.Lane, Mr.Haas, hackers.
> 
> I apologize for any misunderstanding regarding the context of the attached 
> patch and
> the points on which I requested a review. Could you please allow me to 
> clarify?
> 
> In the review around early December 2023, I received the following three 
> issues pointed out by Mr.Haas[1].
> 1. Transmitting state value safely between machines
> 2. Making the patch clearer by adding SQL keywords
> 3. Fixing the behavior when the HAVING clause is present
> 
> In the email sent on February 22, 2024[2], I provided an update on the 
> progress made in addressing these issues.
> Regarding issue 1, I have only provided a proposed solution in the email and 
> have not started the programming. 
> Therefore, the latest patch is not in a commit-ready state. As mentioned 
> later, we have also temporarily reverted the changes made to the 
> documentation.
> Before proceeding with the programming, I would like to discuss the proposed 
> solution with the community and seek consensus.
> If it is necessary to have source code in order to discuss, I can create a 
> simple prototype so that I can receive your feedback.
> Would you be able to provide your opinions on it?
> 
> Regarding issue 2., I have confirmed that creating a prototype allows us to 
> address the issue and clear the patch.
> In this prototype creation, the main purpose was to verify if the patch can 
> be cleared and significant revisions were made to the previous version.
> Therefore, I have removed all the document differences.
> I have submitted a patch [3] that includes the fixes for issue 3. to the 
> patch that was posted in [2].
> Regarding the proposed solution for issue 1, unlike the patch posted in [3], 
> we have a policy of not performing partial aggregation pushdown if we cannot 
> guarantee compatibility and safety.
> The latest patch in [3] is a POC patch. The patch that Mr. Momjian reviewed 
> is this.
> If user-facing documentation is needed for this POC patch, it can be added.
> 
> I apologize for the lack of explanation regarding this positioning, which may 
> have caused misunderstandings regarding the patch posted in [3].

That makes sense.  Let's get you answers to those questions first before
you continue.

-- 
  Bruce Momjian  <br...@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Only you can decide what is important to you.


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