SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier DomainID
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 1)
          ExpressionList (children 2)
           Literal UInt64_1 (alias DomainID)
           Literal \'abc\' (alias Domain)
         SelectQuery (children 1)
          ExpressionList (children 2)
           Literal UInt64_2 (alias DomainID)
           Literal \'def\' (alias Domain)
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier DomainID
