From 30d6712637cea42e2019f400e1eb70d884185ce2 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Thu, 26 Apr 2012 17:52:32 +0200 Subject: Document callback const-ness change --- NEWS | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) (limited to 'NEWS') diff --git a/NEWS b/NEWS index da2d3ed..8302f3b 100644 --- a/NEWS +++ b/NEWS @@ -45,11 +45,6 @@ Version 1.9.0 namespace. For more information, refer to Section 12.5.1, "pointer" and Section 12.5.2, "table" in the ODB manual. - * New exception, odb::session_required, is thrown when ODB detects that - correctly loading a bidirectional object relationship requires a session - but one is not used. For more information, refer to Section 6.2, - "Bidirectional Relationships" in the ODB manual. - * Session support is now optional and is disabled by default. This is a backwards-incompatible change. Session support can be enabled on the per object basis or at the namespace level using the new session pragma. @@ -58,10 +53,22 @@ Version 1.9.0 where all the objects were session-enabled, simply add --generate-session to your ODB compiler command line. + * The semantics of the callback functions with respect to object const-ness + has changed. This is a backwards-incompatible change. Now, the callback + function for the *_persist, *_update, and *_erase events is always called + on the constant object reference while for the *_load events -- always on + the unrestricted reference. For more information, refer to Section 12.1.7, + "Callback" in the ODB manual. + * New function, transaction::reset(), allows the reuse of the same transaction instance to complete several database transactions. For more information, refer to Section 3.4, "Transactions" in the ODB manual. + * New exception, odb::session_required, is thrown when ODB detects that + correctly loading a bidirectional object relationship requires a session + but one is not used. For more information, refer to Section 6.2, + "Bidirectional Relationships" in the ODB manual. + Version 1.8.0 * Support for the Microsoft SQL Server database. The provided connection -- cgit v1.1