1999-07-22 17:09:15 +02:00
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$PostgreSQL: pgsql/doc/src/sgml/ref/abort.sgml,v 1.17 2006/09/16 00:30:16 momjian Exp $
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2001-12-08 04:24:40 +01:00
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PostgreSQL documentation
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1999-07-22 17:09:15 +02:00
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-->
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1999-07-06 19:16:42 +02:00
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<refentry id="SQL-ABORT">
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<refmeta>
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<refentrytitle id="sql-abort-title">ABORT</refentrytitle>
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<refmiscinfo>SQL - Language Statements</refmiscinfo>
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</refmeta>
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1999-07-06 19:16:42 +02:00
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<refnamediv>
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<refname>ABORT</refname>
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<refpurpose>abort the current transaction</refpurpose>
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</refnamediv>
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2003-08-31 19:32:24 +02:00
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<indexterm zone="sql-abort">
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<primary>ABORT</primary>
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</indexterm>
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<refsynopsisdiv>
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<synopsis>
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ABORT [ WORK | TRANSACTION ]
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</synopsis>
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</refsynopsisdiv>
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1998-09-30 07:38:56 +02:00
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2003-04-15 15:25:08 +02:00
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<refsect1>
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<title>Description</title>
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<para>
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<command>ABORT</command> rolls back the current transaction and causes
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all the updates made by the transaction to be discarded.
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This command is identical
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in behavior to the standard <acronym>SQL</acronym> command
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<xref linkend="SQL-ROLLBACK" endterm="SQL-ROLLBACK-TITLE">,
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and is present only for historical reasons.
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</para>
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</refsect1>
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2003-04-27 01:56:51 +02:00
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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-COMMIT" endterm="SQL-COMMIT-TITLE"> to
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successfully terminate a transaction.
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</para>
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<para>
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Issuing <command>ABORT</> 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 abort all changes:
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<programlisting>
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ABORT;
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</programlisting>
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</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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This command is a <productname>PostgreSQL</productname> extension
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present for historical reasons. <command>ROLLBACK</command> is the
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equivalent standard SQL command.
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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" endterm="sql-begin-title"></member>
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<member><xref linkend="sql-commit" endterm="sql-commit-title"></member>
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<member><xref linkend="sql-rollback" endterm="sql-rollback-title"></member>
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</simplelist>
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</refsect1>
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</refentry>
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