On Mar 24, 2017, at 5:00 PM, Peter Geoghegan <p...@bowt.ie> wrote:

>> So it’s a fine workaround, but maybe there’s something missing from the 
>> parsing of the CREATE TABLE statement? This is on 9.6.1.
> Unique constraints don't support expressions, or a predicate (partial-ness).

Oh. Okay. I assumed the syntax would be identical to a unique index, since 
that’s ultimately what a unique constraint is, IIUC. My mistake.

Thanks Peter!



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