SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier sum_map
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier timeslot
    OrderByElement (children 1)
     Identifier statusMap.status
    OrderByElement (children 1)
     Identifier statusMap.requests