Drop Cascade of Domains

I have a table which contains three
columns of domain X.

If I drop the domain X with cascade,
the table remains with no columns.

Is this the proper behaviour?

It seems to me that any action which
results in an invalid object should be
forbidden.  On the other hand, with
alter table working well, I am loathe
to argue a table with no columns is
an invalid argument.

Is there a previous rule on this issue?

--elein

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