title: hbase shell command : how to use the QualifierFilter
body: <p>Running the following commands in hbase shell, trying to get <strong>QualifierFilter</strong> working:</p>
  
  <pre><code>import org.apache.hadoop.hbase.filter.CompareFilter
  import org.apache.hadoop.hbase.filter.SingleColumnValueFilter
  import org.apache.hadoop.hbase.filter.SubstringComparator
  import org.apache.hadoop.hbase.util.Bytes
  import org.apache.hadoop.hbase.filter.QualifierFilter
  import org.apache.hadoop.hbase.filter.BinaryComparator
  </code></pre>
  
  <p>Got the <strong>error</strong> below:</p>
  
  <pre><code>hbase(main):011:0&gt;  scan 'test', { FILTER =&gt; QualifierFilter.new(CompareFilter.CompareOp.GREATER, 'dummy')}
  NoMethodError: undefined method `CompareOp' for Java::OrgApacheHadoopHbaseFilter::CompareFilter:Class
  </code></pre>
  
  <p>Can somebody share an example how hbase QualifierFilter works in bhase shell.</p>