Hi Mr.Haas. > -----Original Message----- > From: Robert Haas <robertmh...@gmail.com> > Sent: Wednesday, December 6, 2023 10:25 PM > On Wed, Dec 6, 2023 at 3:41 AM fujii.y...@df.mitsubishielectric.co.jp > <fujii.y...@df.mitsubishielectric.co.jp> wrote: > > Are you concerned about the hassle and potential human errors of > > manually adding new partial aggregation functions, rather than the catalog > > becoming bloated? > > I'm concerned about both. Understood. Thank you for your response.
> > The process of creating partial aggregation functions from aggregation > > functions can be automated, so I believe this issue can be resolved. > > However, automating it may increase the size of the patch even more, so > > overall, approach#2 might be better. > > To implement approach #2, it would be necessary to investigate how much > > additional code is required. > > Yes. Unfortunately I fear that there is quite a lot of work left to do here > in order to produce a committable feature. To me it > seems necessary to conduct an investigation of approach #2. If the result of > that investigation is that nothing major > stands in the way of approach #2, then I think we should adopt it, which is > more work. In addition, the problems around > transmitting serialized bytea blobs between machines that can't be assumed to > fully trust each other will need to be > addressed in some way, which seems like it will require a good deal of design > work, forming some kind of consensus, and > then implementation work to follow. In addition to that there may be some > small problems that need to be solved at a > detail level, such as the HAVING issue. I think the last category won't be > too hard to sort out, but that still leaves two really > major areas to address. Yes, I agree with you. It is clear that further investigation and discussion are still needed. I would be grateful if we can resolve this issue gradually. I would also like to continue the discussion if possible in the future. Sincerely yours, Yuuki Fujii -- Yuuki Fujii Information Technology R&D Center Mitsubishi Electric Corporation