"Reinhard Hnat" <hnat@logotronic.co.at> writes:
> This rule updates the tables ok but it returns 'UPDATE 0'. This causes the
> calling Delphi program to produce an error. Is ther any possibility to
> change this behaviour.
Only if you can re-order the updates. See
http://www.postgresql.org/docs/8.0/static/rules-status.html
regards, tom lane