2012-07-18 16:16:16 +02:00
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doc/src/sgml/ref/drop_event_trigger.sgml
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PostgreSQL documentation
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<refentry id="SQL-DROPEVENTTRIGGER">
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2014-02-24 03:25:35 +01:00
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<indexterm zone="sql-dropeventtrigger">
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<primary>DROP EVENT TRIGGER</primary>
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</indexterm>
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2012-07-18 16:16:16 +02:00
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<refmeta>
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<refentrytitle>DROP EVENT TRIGGER</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>DROP EVENT TRIGGER</refname>
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<refpurpose>remove an event trigger</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<synopsis>
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2017-10-09 04:00:57 +02:00
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DROP EVENT TRIGGER [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [ CASCADE | RESTRICT ]
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2012-07-18 16:16:16 +02:00
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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>DROP EVENT TRIGGER</command> removes an existing event trigger.
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To execute this command, the current user must be the owner of the event
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trigger.
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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>IF EXISTS</literal></term>
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<listitem>
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<para>
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Do not throw an error if the event trigger does not exist. A notice
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is issued in this case.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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2017-10-09 04:00:57 +02:00
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<term><replaceable class="parameter">name</replaceable></term>
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2012-07-18 16:16:16 +02:00
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<listitem>
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<para>
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The name of the event trigger to remove.
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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><literal>CASCADE</literal></term>
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<listitem>
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<para>
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2016-08-13 00:45:18 +02:00
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Automatically drop objects that depend on the trigger,
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and in turn all objects that depend on those objects
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(see <xref linkend="ddl-depend">).
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2012-07-18 16:16:16 +02:00
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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><literal>RESTRICT</literal></term>
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<listitem>
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<para>
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Refuse to drop the trigger if any objects depend on it. This is
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the default.
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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 id="sql-dropeventtrigger-examples">
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<title>Examples</title>
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<para>
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Destroy the trigger <literal>snitch</literal>:
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<programlisting>
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DROP EVENT TRIGGER snitch;
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</programlisting></para>
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</refsect1>
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<refsect1 id="sql-dropeventtrigger-compatibility">
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<title>Compatibility</title>
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<para>
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There is no <command>DROP EVENT TRIGGER</command> statement in the
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SQL standard.
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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-createeventtrigger"></member>
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<member><xref linkend="sql-altereventtrigger"></member>
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</simplelist>
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</refsect1>
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</refentry>
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