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Commitf20d467

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Add missing SGML file.
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‎doc/src/sgml/ref/alter_trigger.sgml

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<!--
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PostgreSQL documentation
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-->
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<refentry id="SQL-ALTERTRIGGER">
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<refmeta>
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<refentrytitle id="sql-altertrigger-title">
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ALTER TRIGGER
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</refentrytitle>
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<refmiscinfo>SQL - Language Statements</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>
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ALTER TRIGGER
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</refname>
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<refpurpose>
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change the definition of a trigger
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</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<refsynopsisdivinfo>
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<date>2002-04-19</date>
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</refsynopsisdivinfo>
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<synopsis>
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ALTER TRIGGER <replaceable class="PARAMETER">trigger</replaceable> ON <replaceable class="PARAMETER">table</replaceable>
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RENAME TO <replaceable class="PARAMETER">newname</replaceable>
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</synopsis>
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<refsect2 id="R2-SQL-ALTERTRIGGER-1">
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<refsect2info>
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<date>2002-04-19</date>
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</refsect2info>
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<title>
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Inputs
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</title>
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<para>
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<variablelist>
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<varlistentry>
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<term><replaceable class="PARAMETER"> trigger </replaceable></term>
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<listitem>
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<para>
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The name of an existing trigger to alter.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable class="PARAMETER"> table </replaceable></term>
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<listitem>
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<para>
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The name of the table on which this trigger acts.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable class="PARAMETER"> newname </replaceable></term>
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<listitem>
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<para>
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New name for the existing trigger.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect2>
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<refsect2 id="R2-SQL-ALTERTRIGGER-2">
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<refsect2info>
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<date>2002-04-19</date>
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</refsect2info>
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<title>
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Outputs
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</title>
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<para>
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<variablelist>
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<varlistentry>
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<term><computeroutput>ALTER</computeroutput></term>
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<listitem>
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<para>
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Message returned from trigger renaming.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><computeroutput>ERROR</computeroutput></term>
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<listitem>
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<para>
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Message returned if trigger is not available, or new name is a duplicate of another existing trigger on the table.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect2>
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</refsynopsisdiv>
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<refsect1 id="R1-SQL-ALTERTRIGGER-1">
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<refsect1info>
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<date>2002-04-19</date>
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</refsect1info>
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<title>
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Description
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</title>
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<para>
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<command>ALTER TRIGGER</command> changes the definition of an existing trigger.
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The <literal>RENAME</literal> clause causes the name of a trigger on the given table
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to change without otherwise changing the trigger definition.
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</para>
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<para>
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You must own the table on which the trigger acts in order to change its properties.
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</para>
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<refsect2 id="R2-SQL-ALTERTRIGGER-3">
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<refsect2info>
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<date>2002-04-19</date>
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</refsect2info>
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<title>
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Notes
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</title>
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<para>
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Refer to <command>CREATE TRIGGER</command> for a further description
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of valid arguments.
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</para>
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</refsect2>
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</refsect1>
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<refsect1 id="R1-SQL-ALTERTRIGGER-2">
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<title>
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Usage
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</title>
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<para>
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To rename an existing trigger:
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<programlisting>
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ALTER TRIGGER emp_stamp ON emp RENAME TO emp_track_chgs;
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</programlisting>
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</para>
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</refsect1>
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<refsect1 id="R1-SQL-ALTERTRIGGER-3">
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<title>
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Compatibility
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</title>
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<refsect2 id="R2-SQL-ALTERTRIGGER-4">
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<refsect2info>
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<date>2002-04-19</date>
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</refsect2info>
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<title>SQL92</title>
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<para>
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The clause to rename triggers is a
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<productname>PostgreSQL</productname> extension from SQL92.
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</para>
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</refsect2>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:nil
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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sgml-parent-document:nil
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sgml-default-dtd-file:"../reference.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:"/usr/lib/sgml/catalog"
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sgml-local-ecat-files:nil
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End:
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-->

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