7a71e5
@@ -29,6 +29,7 @@
 import org.apache.hadoop.hive.serde2.objectinspector.primitive.StringObjectInspector;
 import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
 import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoUtils;
+import org.apache.hadoop.io.DoubleWritable;
 import org.apache.hadoop.io.Text;
 
 public class KeyWrapperFactory {
@@ -114,6 +115,9 @@
public void setHashKey() {
             if(element instanceof LazyDouble) {
               long v = Double.doubleToLongBits(((LazyDouble)element).getWritableObject().get());
               hashcode = hashcode + (int) (v ^ (v >>> 32));
+            } else if (element instanceof DoubleWritable){
+              long v = Double.doubleToLongBits(((DoubleWritable)element).get());
+              hashcode = hashcode + (int) (v ^ (v >>> 32));
             } else {
               hashcode = hashcode + element.hashCode();
             }
