On Mon, Nov 02, 2009 at 10:03:49AM -0500, Tom Lane wrote: > Sam Mason <sam@xxxxxxxxxxxxx> writes: > > Rotating the array by 180 degrees in every dimension would give the same > > answer for 1-dimensional arrays and give sensible answers for higher > > dimensional arrays. > > The easy implementation at the C level would be to reverse the storage > order of the elements (and then do something-or-other with the dimension > info, in case the array isn't square). Your diagram suggests that this > might be the same thing as what you suggest, but I can't work it out for > lack of caffeine. Yes, it is. I hadn't worked out the code before. Implementation should be very easy at C level. Not sure how NULLs are implemented in arrays, they may require a bit more care. -- Sam http://samason.me.uk/ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
