SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Identifier diff
    Identifier traf
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier order_by_nulls_first
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier diff
    OrderByElement (children 1)
     Identifier traf
   Literal UInt64_1
   Literal UInt64_4
