title: elasticsearch. How to count distinct value by date?
body: <p>I have the same issue to count distinct value by date, that is the same issue mentioned here:
  <a href="http://elasticsearch-users.115913.n3.nabble.com/Count-distinct-value-by-date-td4036320.html" rel="nofollow">http://elasticsearch-users.115913.n3.nabble.com/Count-distinct-value-by-date-td4036320.html</a>
  This issue was posted a year ago. Is there any new update?
  Thank you.</p>