Re: [Boost-users] serialization, 1.34/1.35 difference: serializing a vector

From: Johan Råde (rade_at_[hidden])
Date: 2008-06-06 13:55:05

Johan Råde wrote:
> I just ran some tests on Windows, and I can confirm the problem.
> Here is output from serialization of an std::vector<X*>
> where the class X has an empty serialization function.
> 
> Boost 1.34.1:
> 
> <v class_id="0" tracking_level="0" version="0">
> 	<count>2</count>
> 	<item_version>0</item_version>
> 	<item class_id="1" tracking_level="1" version="0" object_id="_0"></item>
> 	<item class_id_reference="1" object_id="_1"></item>
> </v>
> 
> Boost 1.35:
> 
> <v class_id="0" tracking_level="0" version="0">
> 	<count>2</count>
> 	<item class_id="1" tracking_level="1" version="0" object_id="_0"></item>
> 	<item class_id_reference="1" object_id="_1"></item>
> </v>
> 
> This is a *major problem* for us, because we will release a new version of our app soon.
> The app has "Export" and "Import" functions that are implemented using Boost.Serialization.
> It is required that files that have been exported with one version of our app
> can be imported with a later version.
> 
> Is there a patch for this problem yet?
> 
> Thank you,
> Johan Råde

Does anyone know if the problem can be fixed by just replacing the file serialization/vector.hpp
in Boost 1.35 with the Boost 1.34.1 version (but keeping the rest of 1.35)?

--Johan