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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>COMMIT PREPARED</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="sql-commit.html" title="COMMIT" /><link rel="next" href="sql-copy.html" title="COPY" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">COMMIT PREPARED</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-commit.html" title="COMMIT">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><th width="60%" align="center">SQL Commands</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-copy.html" title="COPY">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-COMMIT-PREPARED"><div class="titlepage"></div><a id="id-1.9.3.54.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">COMMIT PREPARED</span></h2><p>COMMIT PREPARED — commit a transaction that was earlier prepared for two-phase commit</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
COMMIT PREPARED <em class="replaceable"><code>transaction_id</code></em>
</pre></div><div class="refsect1" id="id-1.9.3.54.5"><h2>Description</h2><p>
<code class="command">COMMIT PREPARED</code> commits a transaction that is in
prepared state.
</p></div><div class="refsect1" id="id-1.9.3.54.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="replaceable"><code>transaction_id</code></em></span></dt><dd><p>
The transaction identifier of the transaction that is to be
committed.
</p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.54.7"><h2>Notes</h2><p>
To commit a prepared transaction, you must be either the same user that
executed the transaction originally, or a superuser. But you do not
have to be in the same session that executed the transaction.
</p><p>
This command cannot be executed inside a transaction block. The prepared
transaction is committed immediately.
</p><p>
All currently available prepared transactions are listed in the
<a class="link" href="view-pg-prepared-xacts.html" title="54.16. pg_prepared_xacts"><code class="structname">pg_prepared_xacts</code></a>
system view.
</p></div><div class="refsect1" id="SQL-COMMIT-PREPARED-EXAMPLES"><h2>Examples</h2><p>
Commit the transaction identified by the transaction
identifier <code class="literal">foobar</code>:
</p><pre class="programlisting">
COMMIT PREPARED 'foobar';
</pre></div><div class="refsect1" id="id-1.9.3.54.9"><h2>Compatibility</h2><p>
<code class="command">COMMIT PREPARED</code> is a
<span class="productname">PostgreSQL</span> extension. It is intended for use by
external transaction management systems, some of which are covered by
standards (such as X/Open XA), but the SQL side of those systems is not
standardized.
</p></div><div class="refsect1" id="id-1.9.3.54.10"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-prepare-transaction.html" title="PREPARE TRANSACTION"><span class="refentrytitle">PREPARE TRANSACTION</span></a>, <a class="xref" href="sql-rollback-prepared.html" title="ROLLBACK PREPARED"><span class="refentrytitle">ROLLBACK PREPARED</span></a></span></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sql-commit.html" title="COMMIT">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sql-copy.html" title="COPY">Next</a></td></tr><tr><td width="40%" align="left" valign="top">COMMIT </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> COPY</td></tr></table></div></body></html>
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