Re: Proposal: new GUC paramter

Tatsuo Ishii <t-ishii@sra.co.jp> writes:
> This is really annoying since:
> o these code fragments actually controls the optimization efforts for
>   subqueries and views, not related to GEQO at all. So using GEQO
>   parameters for this kind of purpose seems abuse for me.

But GEQO_RELS is directly related to the maximum number of FROM-clause
entries that we want to try to handle by exhaustive search.  So I think
it's not completely unreasonable to use it for this additional purpose.

Still, if you want to do the work to create another GUC parameter,
I won't object.
        regards, tom lane