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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >COMMIT PREPARED</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REV="MADE" HREF="mailto:pgsql-docs@postgresql.org"><LINK REL="HOME" TITLE="PostgreSQL 9.2.24 Documentation" HREF="index.html"><LINK REL="UP" TITLE="SQL Commands" HREF="sql-commands.html"><LINK REL="PREVIOUS" TITLE="COMMIT" HREF="sql-commit.html"><LINK REL="NEXT" TITLE="COPY" HREF="sql-copy.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="stylesheet.css"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"><META NAME="creation" CONTENT="2017-11-06T22:43:11"></HEAD ><BODY CLASS="REFENTRY" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="5" ALIGN="center" VALIGN="bottom" ><A HREF="index.html" >PostgreSQL 9.2.24 Documentation</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A TITLE="COMMIT" HREF="sql-commit.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="sql-commands.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="COPY" HREF="sql-copy.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SQL-COMMIT-PREPARED" ></A >COMMIT PREPARED</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN66875" ></A ><H2 >Name</H2 >COMMIT PREPARED -- commit a transaction that was earlier prepared for two-phase commit</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN66880" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >COMMIT PREPARED <TT CLASS="REPLACEABLE" ><I >transaction_id</I ></TT ></PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN66883" ></A ><H2 >Description</H2 ><P > <TT CLASS="COMMAND" >COMMIT PREPARED</TT > commits a transaction that is in prepared state. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN66887" ></A ><H2 >Parameters</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="REPLACEABLE" ><I >transaction_id</I ></TT ></DT ><DD ><P > The transaction identifier of the transaction that is to be committed. </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN66895" ></A ><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 HREF="view-pg-prepared-xacts.html" ><TT CLASS="STRUCTNAME" >pg_prepared_xacts</TT ></A > system view. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="SQL-COMMIT-PREPARED-EXAMPLES" ></A ><H2 >Examples</H2 ><P > Commit the transaction identified by the transaction identifier <TT CLASS="LITERAL" >foobar</TT >: </P><PRE CLASS="PROGRAMLISTING" >COMMIT PREPARED 'foobar';</PRE ><P></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN66907" ></A ><H2 >Compatibility</H2 ><P > <TT CLASS="COMMAND" >COMMIT PREPARED</TT > 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" ><A NAME="AEN66912" ></A ><H2 >See Also</H2 ><A HREF="sql-prepare-transaction.html" >PREPARE TRANSACTION</A >, <A HREF="sql-rollback-prepared.html" >ROLLBACK PREPARED</A ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sql-commit.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sql-copy.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >COMMIT</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="sql-commands.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >COPY</TD ></TR ></TABLE ></DIV ></BODY ></HTML >