title: Rounding a timestamp to hourly interval?
body: <p>I have a field called time below:</p>
  
  <pre><code>    time
  2019-12-03 14:45:11
  2019-12-03 03:58:45
  2019-11-03 10:03:03
  </code></pre>
  
  <p>Can I select the time column but round each timestamp down to that hours interval?</p>
  
  <p>Output:</p>
  
  <pre><code> time
  2019-12-03 14:00:00
  2019-12-03 03:00:00
  2019-11-03 10:00:00
  </code></pre>
  
  <p>Thanks</p>