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postgres/doc/src/sgml/ref/commit.sgml
Peter Eisentraut 3c49c6facb Convert documentation to DocBook XML
Since some preparation work had already been done, the only source
changes left were changing empty-element tags like <xref linkend="foo">
to <xref linkend="foo"/>, and changing the DOCTYPE.

The source files are still named *.sgml, but they are actually XML files
now.  Renaming could be considered later.

In the build system, the intermediate step to convert from SGML to XML
is removed.  Everything is build straight from the source files again.
The OpenSP (or the old SP) package is no longer needed.

The documentation toolchain instructions are updated and are much
simpler now.

Peter Eisentraut, Alexander Lakhin, Jürgen Purtz
2017-11-23 09:44:28 -05:00

97 lines
2.0 KiB
Plaintext

<!--
doc/src/sgml/ref/commit.sgml
PostgreSQL documentation
-->
<refentry id="sql-commit">
<indexterm zone="sql-commit">
<primary>COMMIT</primary>
</indexterm>
<refmeta>
<refentrytitle>COMMIT</refentrytitle>
<manvolnum>7</manvolnum>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>COMMIT</refname>
<refpurpose>commit the current transaction</refpurpose>
</refnamediv>
<refsynopsisdiv>
<synopsis>
COMMIT [ WORK | TRANSACTION ]
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<command>COMMIT</command> commits the current transaction. All
changes made by the transaction become visible to others
and are guaranteed to be durable if a crash occurs.
</para>
</refsect1>
<refsect1>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><literal>WORK</literal></term>
<term><literal>TRANSACTION</literal></term>
<listitem>
<para>
Optional key words. They have no effect.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Notes</title>
<para>
Use <xref linkend="sql-rollback"/> to
abort a transaction.
</para>
<para>
Issuing <command>COMMIT</command> when not inside a transaction does
no harm, but it will provoke a warning message.
</para>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
To commit the current transaction and make all changes permanent:
<programlisting>
COMMIT;
</programlisting></para>
</refsect1>
<refsect1>
<title>Compatibility</title>
<para>
The SQL standard only specifies the two forms
<literal>COMMIT</literal> and <literal>COMMIT
WORK</literal>. Otherwise, this command is fully conforming.
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<simplelist type="inline">
<member><xref linkend="sql-begin"/></member>
<member><xref linkend="sql-rollback"/></member>
</simplelist>
</refsect1>
</refentry>