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<title>Berkeley DB Reference Guide: Release 3.0: additional C++ changes</title>
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<td><b><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></b></td>
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<p align=center><b>Release 3.0: additional C++ changes</b></p>
<p>The Db::set_error_model method is gone.  The way to change the C++ API to
return errors rather than throw exceptions is via a flag on the DbEnv or
Db constructor.  For example:</p>
<blockquote><pre>int dberr;
DbEnv *dbenv = new DbEnv(DB_CXX_NO_EXCEPTIONS);</pre></blockquote>
<p>creates an environment that will never throw exceptions, and method
returns should be checked instead.</p>
<p>There are a number of smaller changes to the API that bring the C, C++
and Java APIs much closer in terms of functionality and usage.  Please
refer to the pages for upgrading C applications for further details.</p>
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<p><font size=1>Copyright (c) 1996,2008 Oracle.  All rights reserved.</font>
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