Re: query_planner() API change

> While we could complicate query_planner()'s API even more to add some
> understanding of unnecessary resjunk items, I think this is probably
> the straw that breaks the camel's back for the current approach here.
> There is already a comment like this in query_planner():
>
> * This introduces some undesirable coupling between this code and
> * grouping_planner, but the alternatives seem even uglier; we couldn't
> * pass back completed paths without making these decisions here.

I agree with the idea,but am trying to understand why adding
understanding of resjunk columns is a bad idea. Just for understanding
purpose, could you please elaborate a bit on it?

Regards,

Atri

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Regards,

Atri
l'apprenant