SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Identifier timeslot
    Function sumMap (children 1)
     ExpressionList (children 2)
      Identifier statusMap.status
      Identifier statusMap.requests
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier sum_map
   ExpressionList (children 1)
    Identifier timeslot
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier timeslot