On Tue, May 31, 2016 at 4:18 PM, <carlos@xxxxxxxx> wrote: > ERROR: el operador no existe: character varying == character varying > LINE 1: SELECT OLD.Peticionario == NEW.Peticionario or OLD.interlocc... Perhaps you want the = operator? -- Kevin Grittner EDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general