--On Freitag, Januar 09, 2009 13:20:57 +0100 Bernd Helmle
<mailings@oopsware.de> wrote:
> That means, View1 consists of View2 and so on. What happens now if
> someone is going to change View3, so that it's not updatable anymore?
> What the patch actually does is, scanning all relations/views involved in
> a current view (and cascading updates) und reject update rules as soon as
> it finds more than one relation within a view definition. Unfortunately
> this seems not to be enough, we had really check all involved views for
> updatability recursively. The infrastructure for this is already there,
> but i wonder if it could be made easier when we are going to maintain a
> separate is_updatable flag somewhere in the catalog, which would make
> checking the relation tree for updatability more easier.
I've decided to check updatability of all involved views during view
creation. Please find attached a new version with all other open issues
adressed.
--
Thanks
Bernd