message: Issue Prevent CURRENT_QUERY folding
  Add test.
diff: @@ -68,6 +68,9 @@ CREATE TABLE a (i INTEGER);
  SELECT SUM(i) FROM a;
  ''' % datafile, out='126')
  +# system functions
  +test('SELECT 1, current_query() as my_column', out='SELECT 1, current_query() as my_column')
  +
  # nested types
  test('select LIST_VALUE(1, 2);', out='[1, 2]')
  test("select STRUCT_PACK(x := 3, y := 3);", out="{'x': 3, 'y': 3}")
  