SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier id
    Identifier n.a.size0
    Identifier n.b.size0
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_missed_subcolumns
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier id
