På onsdag 04. oktober 2017 kl. 00:24:19, skrev Vik Fearing < vik.fear...@2ndquadrant.com <mailto:vik.fear...@2ndquadrant.com>>: On 10/03/2017 10:10 PM, Andreas Joseph Krogh wrote: > While we're in deferrable constraints land...; > I even more often need deferrable /conditional /unique-indexes. > In PG you now may have: > > ALTER TABLE email_folder ADD CONSTRAINT some_uk UNIQUE (owner_id, folder_type, name) DEFERRABLE INITIALLY DEFERRED; > > > But this isn't supported: > > CREATE UNIQUE INDEX some_uk ON email_folder(owner_id, folder_type, name) WHERE parent_id IS NULL DEFERRABLE INITIALLY DEFERRED; > > Are there any plans to support this?
I don't want to hijack the thread, but you can do that with exclusion constraints. True. -- Andreas Joseph Krogh
