On 8/14/17 04:14, Stefan Wagner wrote: > I would really appreciate if someone could hack me a quick example of a > new clause lets call it ADDITIONAL with Keywords HIGH, LOW to order > columns. I just want the construct. What > the Keywords accomplish and the Algorithm is something I'm gonna try to > figure out on my own. I just need to know in which File and which Line I > need to enter my Code. For projects like this, figuring out all the places where to change things is often half the work. If I were to approach this, I would see how ORDER BY is implemented and track all those places down and then see whether I need to make analogous changes there. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general