On Wed, 2002-08-14 at 00:10, Rod Taylor wrote:
> > > that TODO item was written before we had dependencies, and I think
> > > it's obsolete.  Basically the point of the TODO was to avoid
> > > having broken views --- and we have solved that problem.
> > 
> > We may have broken views again when "alter table drop column" gets done
> 
> Any view depending on a column which is dropped should also be removed
> via the dependency code.  Views won't break but you can't drop a column
> that is used in a view without specifying cascade.
> 
> This is a case where create or replace view is useful.  Change the view
> definition to no longer be dependent on the object you wish to drop.

in case of a 'SELECT *' view it could just be an (automatic) recompile.

the same in case column type gets changed.

---------------
Hannu


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