mirror of
https://github.com/yasuhirokimura/db18
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Yasuhiro KIMURA
139 lines
5.2 KiB
HTML
139 lines
5.2 KiB
HTML
<?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>DB_TXN->abort()</title>
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<link rel="stylesheet" href="apiReference.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 C API Reference" />
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<link rel="up" href="txn.html" title="Chapter 12. The DB_TXN Handle" />
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<link rel="prev" href="txnstat_print.html" title="DB_ENV->txn_stat_print()" />
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<link rel="next" href="txncommit.html" title="DB_TXN->commit()" />
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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 18.1.40</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">
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<span xmlns="http://www.w3.org/1999/xhtml">DB_TXN->abort()</span>
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</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="txnstat_print.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 12.
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The DB_TXN Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="txncommit.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="txnabort"></a>
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<span>DB_TXN->abort()</span>
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</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.h>
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int
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DB_TXN->abort(DB_TXN *tid); </pre>
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<p>
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The <code class="methodname">DB_TXN->abort()</code> method causes an abnormal termination of the
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transaction. The log is played backward, and any necessary undo
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operations are done through the <span class="bold"><strong>tx_recover</strong></span>
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function specified to <a class="xref" href="envset_app_dispatch.html" title="DB_ENV->set_app_dispatch()">
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<span>DB_ENV->set_app_dispatch()</span>
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</a>.
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Before <code class="methodname">DB_TXN->abort()</code> returns, any locks held by the transaction
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will have been released.
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</p>
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<p>
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In the case of nested transactions, aborting a parent transaction
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causes all children (unresolved or not) of the parent transaction to
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be aborted.
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</p>
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<p>
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All cursors opened within the transaction must be closed before the
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transaction is aborted.
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If they are not closed, they will be closed by
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this function. If a close operation fails, the rest
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of the cursors are closed, and the database environment is set to the panic state.
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</p>
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<p>
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After <code class="methodname">DB_TXN->abort()</code> has been called, regardless of its return, the
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<a class="link" href="txn.html" title="Chapter 12. The DB_TXN Handle">DB_TXN</a> handle may not be
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accessed again.
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</p>
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<p>
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The <code class="methodname">DB_TXN->abort()</code> <span>
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<span>
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method returns a non-zero error value on failure and 0 on success.
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</span>
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</span>
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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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<h3 class="title"><a id="idm139753795781888"></a>Class</h3>
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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="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>, <a class="link" href="txn.html" title="Chapter 12. The DB_TXN Handle">DB_TXN</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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<h3 class="title"><a id="idm139753795776624"></a>See Also</h3>
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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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</div>
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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="txnstat_print.html">Prev</a> </td>
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<td width="20%" align="center">
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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="txncommit.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">
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<span>DB_ENV->txn_stat_print()</span>
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</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">
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<span>DB_TXN->commit()</span>
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</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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