title: Are there any Hive array comparison functions/udf's
body: <p>Does hive have any array comparison functions/udf's to see if <code>array=array</code>?</p>
  
  <p>For example: </p>
  
  <p><code>Select a.xyz, b.abc from a left join b on a.C=b.D</code></p>
  
  <p>Where <code>C</code> and <code>D</code> are arrays</p>