Re: from_collapse_limit considerations

Antonin Houska <ah@cybertec.at> writes:
> I noticed that - unlike join_collapse_limit - the from_collapse_limit does not
> enforce maximum length of the top-level list. Shouldn't it do?

How would it do that?  You want it to fail outright if there are more than
N tables?  That seems unhelpful.

> Also, the order of FROM-list items seems to affect the way RTEs are grouped
> into (sub)lists.

Yeah.
        regards, tom lane