SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier dummy
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.one
   ExpressionList (children 2)
    OrderByElement (children 1)
     Function materialize (children 1)
      ExpressionList (children 1)
       Function CAST (children 1)
        ExpressionList (children 2)
         Literal \'{"k":"v"}\'
         Literal \'JSON\'
    OrderByElement (children 1)
     Identifier dummy
