On Fri, Sep 24, 2010 at 5:05 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > It's not that hard if you just tweak equivclass.c to make the order of > equivalence-class lists different, viz [...] > Since the order of equivalence-class member lists isn't supposed to be > semantically significant, I claim that the code in createplan has to > be able to deal with this. [...] > That's not a reason for it not to handle > the case, though.
I'm not disputing that those tests are correct. All I'm saying is that I can't figure out a way to write regression tests that fail if they are removed. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise Postgres Company -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers