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32 lines
2.0 KiB
HTML
<!--$Id: cxx.so,v 11.5 2000/03/18 21:43:20 bostic Exp $-->
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<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.-->
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<!--All rights reserved.-->
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<html>
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<head>
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<title>Berkeley DB Reference Guide: Release 3.0: additional C++ changes</title>
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<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit.">
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<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++">
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</head>
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<body bgcolor=white>
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<table><tr valign=top>
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<td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></h3></td>
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<td width="1%"><a href="../../ref/upgrade.3.0/db_cxx.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/upgrade.3.0/java.html"><img src="../../images/next.gif" alt="Next"></a>
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</td></tr></table>
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<p>
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<h1 align=center>Release 3.0: additional C++ changes</h1>
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<p>The Db::set_error_model method is gone. The way to change the C++ API to
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return errors rather than throw exceptions is via a flag on the DbEnv or
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Db constructor. For example:
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<p><blockquote><pre>int dberr;
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DbEnv *dbenv = new DbEnv(DB_CXX_NO_EXCEPTIONS);</pre></blockquote>
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<p>creates an environment that will never throw exceptions, and method
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returns should be checked instead.
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<p>There are a number of smaller changes to the API that bring the C, C++
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and Java APIs much closer in terms of functionality and usage. Please
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refer to the pages for upgrading C applications for further details.
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<table><tr><td><br></td><td width="1%"><a href="../../ref/upgrade.3.0/db_cxx.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/upgrade.3.0/java.html"><img src="../../images/next.gif" alt="Next"></a>
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</td></tr></table>
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<p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font>
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</body>
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