David Rowley <david.row...@2ndquadrant.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

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