Delete RS

[simpleserver-moved-to-github.git] / Changes

diff --git a/Changes b/Changes
index 01b7c47..f414920 100644 (file)
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-$Id: Changes,v 1.39 2007-08-17 12:31:58 mike Exp $
+$Id: Changes,v 1.42 2007-08-20 15:34:01 mike Exp $
 
 Revision history for Perl extension Net::Z3950::SimpleServer
 
@@ -11,6 +11,21 @@ Revision history for Perl extension Net::Z3950::SimpleServer
        - Some clarifications to documentation.
        - Correct transcription of string-valued attributes in
          $args->{RPN}.
+       - Scan handler is now passed RPN as well as TERM, a tree of
+         Perl structures representing the entire scan clause
+         including access-points and other attributes (which are
+         discarded from TERM).
+       - The various classes used to represent nodes in the RPN query
+         tree (Net::Z3950::APDU::Query, Net::Z3950::RPN::And,
+         Net::Z3950::RPN::Or, Net::Z3950::RPN::AndNot,
+         Net::Z3950::RPN::Term and Net::Z3950::RPN::RSID) now all
+         share a newly introduced superclass Net::Z3950::RPN::Node,
+         making it possible to write methods that apply to all node
+         types.
+       - A utility method toPQF() is provided for
+         Net::Z3950::RPN::Node, enabling the RPN tree to be converted
+         back into a flat PQF query.
+       - Add support for the Delete Result Set service.
 
 1.06  Fri Aug 10 23:30:00 BST 2007
        - New global-handle element can be specified when creating a