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doc/src/sgml/ref/commit.sgml
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PostgreSQL documentation
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-->
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1999-06-14 09:37:05 +02:00
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<refentry id="SQL-COMMIT">
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<refmeta>
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<refentrytitle>COMMIT</refentrytitle>
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<manvolnum>7</manvolnum>
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<refmiscinfo>SQL - Language Statements</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>COMMIT</refname>
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<refpurpose>commit the current transaction</refpurpose>
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</refnamediv>
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<indexterm zone="sql-commit">
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<primary>COMMIT</primary>
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</indexterm>
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<refsynopsisdiv>
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<synopsis>
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COMMIT [ WORK | TRANSACTION ]
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</synopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>
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<command>COMMIT</command> commits the current transaction. All
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changes made by the transaction become visible to others
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and are guaranteed to be durable if a crash occurs.
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</para>
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</refsect1>
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<refsect1>
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<title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><literal>WORK</literal></term>
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<term><literal>TRANSACTION</literal></term>
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<listitem>
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<para>
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Optional key words. They have no effect.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Notes</title>
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<para>
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Use <xref linkend="SQL-ROLLBACK"> to
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abort a transaction.
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</para>
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<para>
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Issuing <command>COMMIT</> when not inside a transaction does
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no harm, but it will provoke a warning message.
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</para>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>
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To commit the current transaction and make all changes permanent:
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<programlisting>
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COMMIT;
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</programlisting></para>
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</refsect1>
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<refsect1>
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<title>Compatibility</title>
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<para>
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The SQL standard only specifies the two forms
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<literal>COMMIT</literal> and <literal>COMMIT
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WORK</literal>. Otherwise, this command is fully conforming.
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</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<simplelist type="inline">
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<member><xref linkend="sql-begin"></member>
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<member><xref linkend="sql-rollback"></member>
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</simplelist>
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</refsect1>
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</refentry>
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