code: @Override
    public void visit(Column column) {
      String stringValue = column.getColumnName();
      if (stringValue.equalsIgnoreCase("true") || stringValue.equalsIgnoreCase("false")) {
        setValue(Boolean.valueOf(stringValue), Types.BOOLEAN);
      }
    }
docs: Booleans are not recognized by the parser, but are seen as column names.
  
  @param column