SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function CAST (alias json) (children 1)
     ExpressionList (children 2)
      Literal \'{"a" : null}\'
      Literal \'JSON(max_dynamic_types = 0)\'
    Function JSONAllPathsWithTypes (children 1)
     ExpressionList (children 1)
      Identifier json
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 2)
        Literal \'127.0.0.2\'
        Literal \'system.one\'
