(2014/08/27 3:27), Tom Lane wrote: > Etsuro Fujita <fujita.ets...@lab.ntt.co.jp> writes: >> [ attr_needed-v4.patch ] > > I looked this over, and TBH I'm rather disappointed. The patch adds > 150 lines of dubiously-correct code in order to save ... uh, well,
Just for my study, could you tell me why you think that the code is "dubiously-correct"? > Considering that all the > places that are doing this then proceed to use pull_varattnos to add on > attnos from the restriction clauses, it seems like using pull_varattnos > on the reltargetlist isn't such a bad thing after all. I agree with you on that point. > So I'm inclined to reject this. It seemed like a good idea in the > abstract, but the concrete result isn't very attractive, and doesn't > seem like an improvement over what we have. Okay. I'll withdraw the patch. Thank you for taking the time to review the patch! Best regards, Etsuro Fujita -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers