SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function format (children 1)
       ExpressionList (children 3)
        Identifier JSONEachRow
        Literal \'t Tuple(a UInt32), json JSON(b UInt32), a UInt32 default t.a, b UInt32 default json.b, c UInt32 default json.c\'
        Literal \'{"t" : {"a" : 42}, "json" : {"b" : 42, "c" : 42}}\'
