Great, thanks for tracking that down!
It's interesting that a mincount of 0 disables uif processing in the
first place.  IIRC, it's only the hash-based method (as opposed to
array-based) that can't return zero counts.

-Yonik
On Tue, Feb 13, 2018 at 6:17 AM, Alessandro Benedetti
<[EMAIL PROTECTED]> wrote: