Skip deleted rows returned by ColumnFamilyRecordReader

Author: cscetbon

cassandra-handler/src/main/java/org/apache/hadoop/hive/cassandra/input/CassandraHiveRecordReader.java

@@ -184,6 +184,11 @@ public boolean nextKeyValue() throws IOException {
         currentValue.clear();
 
         if (next) {
+        	
+        	// Skip deleted rows
+        	if(cfrr.getCurrentValue().size()==0)
+        		return nextKeyValue();
+        	
             currentKey = convertByteBuffer(cfrr.getCurrentKey());
 
             // rowKey