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Release 5.2.28 on 6/10/2011
2011-09-13 17:44:24 +00:00
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<link rel="up" href="upgrade_4_2_toc.html" title="Chapter 8. Upgrading Berkeley DB 4.1 applications to Berkeley DB 4.2" />
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Release 5.3.21 5/11/2012
2012-11-14 21:35:20 +00:00
<p>Library Version 11.2.5.3</p>
Release 5.2.28 on 6/10/2011
2011-09-13 17:44:24 +00:00
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<td width="20%" align="left"><a accesskey="p" href="upgrade_4_2_client.html">Prev</a> </td>
<th width="60%" align="center">Chapter 8. Upgrading Berkeley DB 4.1 applications to Berkeley DB 4.2</th>
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<p>
In previous releases, the C++ <a href="../api_reference/CXX/dbdel.html" class="olink">Db::del</a> and
Java <code class="classname">Db.delete()</code> methods threw exceptions encapsulating the
<a href="../programmer_reference/program_errorret.html#program_errorret.DB_KEYEMPTY" class="olink">DB_KEYEMPTY</a> error in some
cases when called on Queue and Recno databases. Unfortunately, this was undocumented
behavior.
</p>
<p>
For consistency with the other Berkeley DB methods that handle
<a href="../programmer_reference/program_errorret.html#program_errorret.DB_KEYEMPTY" class="olink">DB_KEYEMPTY</a>, this is no longer the case. Applications calling the
<a href="../api_reference/CXX/dbdel.html" class="olink">Db::del</a> and Java
<code class="classname">Db.delete()</code> methods on Queue or Recno databases,
and handling the <a href="../programmer_reference/program_errorret.html#program_errorret.DB_KEYEMPTY" class="olink">DB_KEYEMPTY</a> exception specially, should be modified
to check for a return value of <a href="../programmer_reference/program_errorret.html#program_errorret.DB_KEYEMPTY" class="olink">DB_KEYEMPTY</a> instead.
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