postgresql/doc/src/sgml/ref/abort.sgml

<REFENTRY ID="SQL-ABORT">
<REFMETA>
<REFENTRYTITLE>
ABORT
</REFENTRYTITLE>
<REFMISCINFO>SQL - Language Statements</REFMISCINFO>
</REFMETA>
<REFNAMEDIV>
<REFNAME>
ABORT
</REFNAME>
<REFPURPOSE>
Aborts the current transaction
</REFPURPOSE>
</REFNAMEDIV>
<REFSYNOPSISDIV>
<REFSYNOPSISDIVINFO>
<DATE>1998-09-27</DATE>
</REFSYNOPSISDIVINFO>
<SYNOPSIS>
ABORT
</SYNOPSIS>

<REFSECT2 ID="R2-SQL-ABORT-1">
<REFSECT2INFO>
<DATE>1998-09-27</DATE>
</REFSECT2INFO>
<TITLE>
Inputs
</TITLE>
<PARA>
None.
</para>

</REFSECT2>

<REFSECT2 ID="R2-SQL-ABORT-2">
<REFSECT2INFO>
<DATE>1998-09-27</DATE>
</REFSECT2INFO>
<TITLE>
Outputs
</TITLE>
<PARA>

<VARIABLELIST>
<VARLISTENTRY>
<TERM>
   ABORT
</TERM>
<LISTITEM>
<PARA>
          Message returned if successful.
</para>
</listitem>
</VARLISTENTRY>
<VARLISTENTRY>
<TERM>
NOTICE:  UserAbortTransactionBlock and not in in-progress state
ABORT
</TERM>
<LISTITEM>
<PARA>
          If there is not any transaction currently in progress.
</para>
</listitem>
</VARLISTENTRY>
</VARIABLELIST>
</para>
</REFSECT2>
</REFSYNOPSISDIV>

<REFSECT1 ID="R1-SQL-ABORT-1">
<REFSECT1INFO>
<DATE>1998-09-27</DATE>
</REFSECT1INFO>
<TITLE>
Description
</TITLE>
<PARA>
   <command>ABORT</command> rolls back the current transaction and causes
   all the updates made by the transaction to be discarded. 
This command is identical
in behavior to the <acronym>SQL92</acronym> command <command>ROLLBACK</command>,
and is present only for historical reasons.
</para>
<REFSECT2 ID="R2-SQL-ABORT-3">
<REFSECT2INFO>
<DATE>1998-09-27</DATE>
</REFSECT2INFO>
<TITLE>
Notes
</TITLE>
<para>
Use the <command>COMMIT</command> statement to successfully
 terminate a transaction.
</para>
</refsect2>
</REFSECT1>

<REFSECT1 ID="R1-SQL-ABORT-2">
<TITLE>
Usage
</TITLE>
<PARA>
<ProgramListing>
--To abort all changes
--
ABORT WORK;
</ProgramListing>
</para>

</REFSECT1>

<REFSECT1 ID="R1-SQL-ABORT-3">
<TITLE>
Compatibility
</TITLE>

<REFSECT2 ID="R2-SQL-ABORT-4">
<REFSECT2INFO>
<DATE>1998-09-27</DATE>
</REFSECT2INFO>
<TITLE>
SQL92
</TITLE>
<para>
This command is a <productname>Postgres</productname> extension present
for historical reasons. <command>ROLLBACK</command> is the <acronym>SQL92</acronym>
equivalent command.
</PARA>
</refsect2>
</refsect1>

</REFENTRY>