Re: Distinct tightly coupled with Agg

On 16/11/22 00:26, Tom Lane wrote:
> Ankit Kumar Pandey <itsankitkp@gmail.com> writes:
>> I am looking at todo item (#1) /Implement DISTINCT clause in window
>> aggregates/ and while looking at code, I found distinct tightly coupled
>> with Agg function. Looking at another todo item(#2) /Do we really need
>> so much duplicated code between Agg and WindowAgg/?  I was wondering
>> what is general stance on this? Is #2 per-requisite for #1?
> No, I think #2 is just a general statement of annoyance.  It'd be
> great if someone finds a way to refactor things to improve that; but
> seeing that window functions operate in a much different environment
> than plain aggregates, I'm not holding my breath.  It's certainly
> not a prerequisite for any other work in the area.
>
>             regards, tom lane

Makes sense, thank you.

Regards,

Ankit