David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> writes:
> I also notice that some regression tests, which I think some of which
> Tom updated in the upper planner changes have now changed back again
> due to the slightly reduced costs on hash and nested loop joins where
> the inner side is unique.
?? I don't see anything in this patch that touches the same queries
that changed plans in my previous patch.
I do think that the verbosity this adds to the EXPLAIN output is not
desirable at all, at least not in text mode. Another line for every
darn join is a pretty high price.
regards, tom lane