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- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>DROP EVENT TRIGGER</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="prev" href="sql-dropdomain.html" title="DROP DOMAIN" /><link rel="next" href="sql-dropextension.html" title="DROP EXTENSION" /></head><body><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">DROP EVENT TRIGGER</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-dropdomain.html" title="DROP DOMAIN">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><th width="60%" align="center">SQL Commands</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 12.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-dropextension.html" title="DROP EXTENSION">Next</a></td></tr></table><hr></hr></div><div class="refentry" id="SQL-DROPEVENTTRIGGER"><div class="titlepage"></div><a id="id-1.9.3.110.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">DROP EVENT TRIGGER</span></h2><p>DROP EVENT TRIGGER — remove an event trigger</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
- DROP EVENT TRIGGER [ IF EXISTS ] <em class="replaceable"><code>name</code></em> [ CASCADE | RESTRICT ]
- </pre></div><div class="refsect1" id="id-1.9.3.110.5"><h2>Description</h2><p>
- <code class="command">DROP EVENT TRIGGER</code> removes an existing event trigger.
- To execute this command, the current user must be the owner of the event
- trigger.
- </p></div><div class="refsect1" id="id-1.9.3.110.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">IF EXISTS</code></span></dt><dd><p>
- Do not throw an error if the event trigger does not exist. A notice
- is issued in this case.
- </p></dd><dt><span class="term"><em class="replaceable"><code>name</code></em></span></dt><dd><p>
- The name of the event trigger to remove.
- </p></dd><dt><span class="term"><code class="literal">CASCADE</code></span></dt><dd><p>
- Automatically drop objects that depend on the trigger,
- and in turn all objects that depend on those objects
- (see <a class="xref" href="ddl-depend.html" title="5.14. Dependency Tracking">Section 5.14</a>).
- </p></dd><dt><span class="term"><code class="literal">RESTRICT</code></span></dt><dd><p>
- Refuse to drop the trigger if any objects depend on it. This is
- the default.
- </p></dd></dl></div></div><div class="refsect1" id="SQL-DROPEVENTTRIGGER-EXAMPLES"><h2>Examples</h2><p>
- Destroy the trigger <code class="literal">snitch</code>:
-
- </p><pre class="programlisting">
- DROP EVENT TRIGGER snitch;
- </pre></div><div class="refsect1" id="SQL-DROPEVENTTRIGGER-COMPATIBILITY"><h2>Compatibility</h2><p>
- There is no <code class="command">DROP EVENT TRIGGER</code> statement in the
- SQL standard.
- </p></div><div class="refsect1" id="id-1.9.3.110.9"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-createeventtrigger.html" title="CREATE EVENT TRIGGER"><span class="refentrytitle">CREATE EVENT TRIGGER</span></a>, <a class="xref" href="sql-altereventtrigger.html" title="ALTER EVENT TRIGGER"><span class="refentrytitle">ALTER EVENT TRIGGER</span></a></span></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sql-dropdomain.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql-commands.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sql-dropextension.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">DROP DOMAIN </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> DROP EXTENSION</td></tr></table></div></body></html>
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