"Nic Ferrier" <nferrier(at)tapsellferrier(dot)co(dot)uk> writes:
> The synopsis of the problem is that date columns don't seem to be
> working as dates when they're selected through a union view.
No, the problem is that restriction clauses applied to views that
contain unions are busted in beta4 :-(. Thanks for the bug report!
It's fixed in current CVS, or use tomorrow morning's snapshot.
regards, tom lane