2011-09-13 17:44:24 +00:00
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<title>DbTxn::id()</title>
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<link rel="start" href="index.html" title="Berkeley DB C++ API Reference" />
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<link rel="up" href="txn.html" title="Chapter 13. The DbTxn Handle" />
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<link rel="prev" href="txnget_priority.html" title="DbTxn::get_priority()" />
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<p>Library Version 11.2.5.2</p>
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<table width="100%" summary="Navigation header">
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<th colspan="3" align="center">DbTxn::id()</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="txnget_priority.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 13.
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The DbTxn Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="txnprepare.html">Next</a></td>
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="txnid"></a>DbTxn::id()</h2>
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</div>
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</div>
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</div>
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<pre class="programlisting">#include <db_cxx.h>
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u_int32_t
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DbTxn::id();</pre>
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<p>
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The <code class="methodname">DbTxn::id()</code> method returns the unique transaction id associated
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with the specified transaction. Locking calls made on behalf of this
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transaction should use the value returned from <code class="methodname">DbTxn::id()</code> as the
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locker parameter to the <a class="xref" href="lockget.html" title="DbEnv::lock_get()">DbEnv::lock_get()</a>
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or <a class="xref" href="lockvec.html" title="DbEnv::lock_vec()">DbEnv::lock_vec()</a> calls.
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</p>
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<div class="sect2" 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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2011-12-20 00:07:10 +00:00
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<h3 class="title"><a id="id3654879"></a>Class</h3>
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2011-09-13 17:44:24 +00:00
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</div>
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</div>
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<p>
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<a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>, <a class="link" href="txn.html" title="Chapter 13. The DbTxn Handle">DbTxn</a>
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</p>
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</div>
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<div class="sect2" 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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2011-12-20 00:07:10 +00:00
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<h3 class="title"><a id="id3655089"></a>See Also</h3>
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2011-09-13 17:44:24 +00:00
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</div>
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</div>
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</div>
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<p>
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<a class="xref" href="txn.html#txnlist" title="Transaction Subsystem and Related Methods">Transaction Subsystem and Related Methods</a>
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</p>
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<td width="40%" align="left"><a accesskey="p" href="txnget_priority.html">Prev</a> </td>
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<a accesskey="u" href="txn.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="txnprepare.html">Next</a></td>
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<tr>
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<td width="40%" align="left" valign="top">DbTxn::get_priority() </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"> DbTxn::prepare()</td>
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