Hi, I found a way to do it. One problem remains: The order of the columns can't be changed. Any change to make postgres support this in the future? My way: pg_dump -s prod | strip-schema-dump.py - > prod.schema pg_dump -s devel | strip-schema-dump.py - > devel.schema strip-schema-dump.py removes some stuff which I don't care about (Owner, Comments, ...) kdiff3 prod.schema devel.schema You need to create an upgrade script by looking at the diff. But it is not difficult: -- update-YYYY-MM-DD.sql begin; alter table ... add column ...; ... commit; Execute on production: cat update-YYYY-MM-DD.sql | psql See http://www.djangosnippets.org/snippets/1160/ David Fetter schrieb: > On Thu, Oct 30, 2008 at 10:54:46AM +0100, Thomas Guettler wrote: > >> Hi, >> >> is there a schema upgrade howto? I could not find much with google. >> >> There is a running DB and a development DB. The development DB >> has some tables, columns and indexes added. >> > > The only sure way to track such changes is by changing the > databases--especially in development--only via scripts, all of which > go into your source code management system. > > -- Thomas Guettler, http://www.thomas-guettler.de/ E-Mail: guettli (*) thomas-guettler + de -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general