@Override
      public Object writeValue(byte[] value, int start, int length) throws HiveException {
        text.set(value, start, length);
        ((SettableHiveCharObjectInspector) this.objectInspector).set(this.obj, text.toString());
        return this.obj;
      }
Compiles the appropriate vector expression writers based on a struct object
inspector.
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/VectorExpressionWriterFactory.java