On Fri, Sep 18, 2026 at 12:55 AM Robert Haas <robertmhaas@gmail.com> wrote:
> On Thu, Sep 17, 2026 at 10:58 AM Richard Guo <guofenglinux@gmail.com> wrote:
> > As for the division-by-zero case, I agree it's user-visible, but I
> > think eager aggregation should follow the same rules as our existing
> > transformations, which already evaluate expressions on rows that a
> > join removes.
> OK, good. So this isn't really doing something that is fundamentally
> new, which is what I was fearing. Do you think this section should be
> adjusted at all?
Yes, I think it's worth saying that an expression can be evaluated on
rows that don't appear in the result.
- Richard
