SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function sipHash64 (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 1)
        Function map (children 1)
         ExpressionList (children 2)
          Literal \'json\'
          Function array (children 1)
           ExpressionList (children 1)
            Function toNullable (children 1)
             ExpressionList (children 1)
              Function CAST (children 1)
               ExpressionList (children 2)
                Literal \'{"a" : 42, "b" : "str", "c" : [{"d" : 1}, {"e" : 2}]}\'
                Literal \'JSON(max_dynamic_paths = 0)\'
