title: How to calculate seconds between two timestamps in Impala?
body: <p>I do not see an Impala function to subtract two <code>datestamps</code> and return seconds (or minutes) between the two.
  <a href="http://www.cloudera.com/documentation/archive/impala/2-x/2-0-x/topics/impala_datetime_functions.html" rel="noreferrer">http://www.cloudera.com/documentation/archive/impala/2-x/2-0-x/topics/impala_datetime_functions.html</a></p>