SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 5)
          ExpressionList (children 1)
           Asterisk
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier test_fetch
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier a
          Literal UInt64_1
          Literal UInt64_3
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier a
    OrderByElement (children 1)
     Identifier b
