title: Filter by UUID in Pig
body: <p>I have a list of known UUIDs. I want to do a FILTER in Pig that filters out records whose id column do not contain a UUID from my list.</p>
  
  <p>I have yet to find a way to specify bytearray literals such that I can write that filter statement.</p>
  
  <p>How do I filter by UUID?</p>
  
  <p>(in one attempt I tried using <a href="https://github.com/cevaris/pig-dse" rel="nofollow noreferrer">https://github.com/cevaris/pig-dse</a> per <a href="https://stackoverflow.com/questions/22159722/how-to-filter-cassandra-timeuuid-uuid-in-pig">How to FILTER Cassandra TimeUUID/UUID in Pig</a> thinking I could filter by a chararray literal of the UUID but I got</p>
  
  <pre><code>grunt&gt; post_creators= LOAD 'cql://mykeyspace/mycf/' using AbstractCassandraStorage;
  2014-10-09 14:56:05,597 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1200: could not instantiate 'AbstractCassandraStorage' with arguments 'null'
  </code></pre>
  
  <p>)</p>