I am inclined to go with Francisco's solution Daniel -----Original Message----- From: pgsql-general-owner@xxxxxxxxxxxxxx [mailto:pgsql-general-owner@xxxxxxxxxxxxxx] On Behalf Of Francisco Olarte Sent: April-25-16 10:46 To: Babak Alipour Cc: Adrian Klaver; pgsql-general@xxxxxxxxxxxxxx Subject: Re: Calculating Minkowski distance between two rows Hi: On Mon, Apr 25, 2016 at 4:26 PM, Babak Alipour <babak.alipour@xxxxxxxxx> wrote: > That is correct. The function I've written only works when the two > tables are named table_train and table_test; is it possible to > generalize that to take in any two tables? And only when all table_train columns are numbers AND table_test contains at least all of them AND they are numbers too. Wouldn't it be easier to use numeric arrays to represent coordinate vectors? Anyway, I'm not versed in all of this, wbut I would try to make a function to turn a table record to a numeric array and then write the numeric array version of the func and call them, divide and conquer. Francisco Olarte. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
