On 2013-11-10 18:26:26 -0500, Tom Lane wrote:
> Andres Freund <and...@2ndquadrant.com> writes:
> > On 2013-11-10 18:16:16 -0500, Tom Lane wrote:
> >> Then I take it you also think we should undo the changes that made
> >> "DROP TABLE IF EXISTS foo.bar" not fail if schema foo doesn't exist?
> >> Because after all, the schema is not the object being dropped.
> 
> > No, not the same thing imo, although I find that change debatable.
> 
> > Anyway, if we're going to change DROP TRIGGER at the very least ALTER
> > TABLE ... DROP CONSTRAINT also needs to be changed, otherwise we'll gain
> > nothing.
> 
> That would be a plausible next step, but I don't have a problem with
> this patch not solving every case like this at once.

Well, there are relatively few tables without primary keys around that
have triggers. The dumps currently look like:
DROP TRIGGER foo ON public.foo;
ALTER TABLE ONLY public.foo DROP CONSTRAINT foo_pkey;
ALTER TABLE public.foo ALTER COLUMN id DROP DEFAULT;
DROP SEQUENCE public.foo_id_seq;
DROP TABLE public.foo;
So we'd get approximately one line further unless we fix this for DROP
DEFAULT and DROP CONSTRAINT as well.

Greetings,

Andres Freund

-- 
 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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