SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Identifier a
    Function sumMap (children 1)
     ExpressionList (children 1)
      Identifier statusMap
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier map_comb
   ExpressionList (children 1)
    Identifier a
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier a
