Tom Lane wrote:
>> I would think UNIQUE => one row is pretty obvious - what am I
>> missing? (Unless it's that I'm still stuck in 7.4.)
>
> That would be the problem :-( ... a look at the code suggests that the
> ability to do anything intelligent with expression indexes was added
> in 8.0.
Whaa. Okay, more ammunition, thanks.
- John D. Burger
MITRE