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<!--$Id: cxx.so,v 11.5 2000/03/18 21:43:20 bostic Exp $--> <!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB Reference Guide: Release 3.0: additional C++ changes</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> </head> <body bgcolor=white> <table width="100%"><tr valign=top> <td><b><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></b></td> <td align=right><a href="../upgrade.3.0/db_cxx.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../upgrade.3.0/java.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <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> <table width="100%"><tr><td><br></td><td align=right><a href="../upgrade.3.0/db_cxx.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../upgrade.3.0/java.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> </body> </html>
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