SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function toDate (children 1)
     ExpressionList (children 1)
      Identifier d
    Identifier ui
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier pk_func
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier d
