CBIT-532:  query product needs a dashboard:  add DEBUG output

Change-Id: Ie76fde1c9025bd6c276d6accd62b896a2e893507
Reviewed-on: http://review.couchbase.org/39695
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>