On Tue, 2011-01-11 at 07:14 -0500, Noah Misch wrote: > On Tue, Jan 11, 2011 at 09:24:46AM +0000, Simon Riggs wrote: > > I have a concern that by making the ALTER TABLE more complex that we > > might not be able to easily tell if a rewrite happens, or not.
What about add EXPLAIN support to it, then whoever wants to know what it does should just run explain on it. I have no idea how hard that would be to implement and if it makes sense at all, but I sure would like to see a plan for DDLs too to estimate how long it would take. Cheers, Csaba. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers