SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier summing_composite_key
   ExpressionList (children 9)
    OrderByElement (children 1)
     Identifier d
    OrderByElement (children 1)
     Identifier k
    OrderByElement (children 1)
     Identifier FirstMap.k1
    OrderByElement (children 1)
     Identifier FirstMap.k2ID
    OrderByElement (children 1)
     Identifier FirstMap.s
    OrderByElement (children 1)
     Identifier SecondMap.k1ID
    OrderByElement (children 1)
     Identifier SecondMap.k2Key
    OrderByElement (children 1)
     Identifier SecondMap.k3Type
    OrderByElement (children 1)
     Identifier SecondMap.s