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71 lines
3.2 KiB
HTML
71 lines
3.2 KiB
HTML
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>additional C++ changes</title>
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<link rel="stylesheet" href="gettingStarted.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB Upgrade Guide" />
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<link rel="up" href="upgrade_3_0_toc.html" title="Chapter 14. Upgrading Berkeley DB 2.X applications to Berkeley DB 3.0" />
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<link rel="prev" href="upgrade_3_0_db_cxx.html" title="Db class for C++ and Java" />
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<link rel="next" href="upgrade_3_0_java.html" title="additional Java changes" />
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</head>
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 11.2.5.2</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">additional C++ changes</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="upgrade_3_0_db_cxx.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 14. Upgrading Berkeley DB 2.X applications to Berkeley DB 3.0</th>
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<td width="20%" align="right"> <a accesskey="n" href="upgrade_3_0_java.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="upgrade_3_0_cxx"></a>additional C++ changes</h2>
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</div>
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</div>
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</div>
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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:</p>
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<pre class="programlisting">int dberr;
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DbEnv *dbenv = new DbEnv(DB_CXX_NO_EXCEPTIONS);</pre>
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<p>creates an environment that will never throw exceptions, and method
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returns should be checked instead.</p>
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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.</p>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="upgrade_3_0_db_cxx.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="upgrade_3_0_toc.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="upgrade_3_0_java.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">Db class for C++ and Java </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> additional Java changes</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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