SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier ttl
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier d
    OrderByElement (children 1)
     Identifier a