Tom Lane wrote:
> Peter Eisentraut <peter_e@gmx.net> writes:
> > On Tuesday 18 December 2007 18:30:22 Tom Lane wrote:
> >> Arguably, pg_dump from an older version should make sure that the auto
> >> rules should NOT get created, else it is failing to preserve an older
> >> view's behavior.
>
> > We extend properties of objects all the time. That is why we make new
> > releases. No one is required to use the new properties.
>
> > Should pg_dump also make sure that tables imported from an older version are
> > not usable for recursive unions or window functions, thus preserving the
> > older table's behavior?
>
> That argument seems fairly bogus. The addition of those features won't
> change the behavior of existing applications.
How will adding updatable views change them? The only change is that
when you try to insert/update/delete on a view, it used to give an
error, but the new version will accept it. How can this be a problem?
Surely no application is depending on the fact that this will raise an
error.
--
Alvaro Herrera http://www.CommandPrompt.com/
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