Antonin Houska <ah(at)cybertec(dot)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