code: private boolean appendColumnValue(StringBuilder builder, Object valueObj, Field column)
      {
          Object value = PropertyAccessorHelper.getObject(valueObj, column);
          boolean isPresent = false;
          isPresent = appendValue(builder, column.getType(), value, isPresent, false);
          return isPresent;
      }
docs: Appends column value with parametrised builder object. Returns true if
  value is present.
  
  @param builder
  the builder
  @param valueObj
  the value obj
  @param column
  the column
  @return true if value is not null,else false.