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1<?xml version="1.0" encoding="UTF-8" standalone="no"?>2<!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>53.21. pg_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 Vsnapshot" /><link rel="prev" href="catalog-pg-enum.html" title="53.20. pg_enum" /><link rel="next" href="catalog-pg-extension.html" title="53.22. pg_extension" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">53.21. <code class="structname">pg_event_trigger</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="catalog-pg-enum.html" title="53.20. pg_enum">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="catalogs.html" title="Chapter 53. System Catalogs">Up</a></td><th width="60%" align="center">Chapter 53. System Catalogs</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="catalog-pg-extension.html" title="53.22. pg_extension">Next</a></td></tr></table><hr /></div><div class="sect1" id="CATALOG-PG-EVENT-TRIGGER"><div class="titlepage"><div><div><h2 class="title" style="clear: both">53.21. <code class="structname">pg_event_trigger</code> <a href="#CATALOG-PG-EVENT-TRIGGER" class="id_link">#</a></h2></div></div></div><a id="id-1.10.4.23.2" class="indexterm"></a><p>3   The catalog <code class="structname">pg_event_trigger</code> stores event triggers.4   See <a class="xref" href="event-triggers.html" title="Chapter 40. Event Triggers">Chapter 40</a> for more information.5  </p><div class="table" id="id-1.10.4.23.4"><p class="title"><strong>Table 53.21. <code class="structname">pg_event_trigger</code> Columns</strong></p><div class="table-contents"><table class="table" summary="pg_event_trigger Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">6       Column Type7      </p>8      <p>9       Description10      </p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">11       <code class="structfield">oid</code> <code class="type">oid</code>12      </p>13      <p>14       Row identifier15      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">16       <code class="structfield">evtname</code> <code class="type">name</code>17      </p>18      <p>19       Trigger name (must be unique)20      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">21       <code class="structfield">evtevent</code> <code class="type">name</code>22      </p>23      <p>24       Identifies the event for which this trigger fires25      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">26       <code class="structfield">evtowner</code> <code class="type">oid</code>27       (references <a class="link" href="catalog-pg-authid.html" title="53.8. pg_authid"><code class="structname">pg_authid</code></a>.<code class="structfield">oid</code>)28      </p>29      <p>30       Owner of the event trigger31      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">32       <code class="structfield">evtfoid</code> <code class="type">oid</code>33       (references <a class="link" href="catalog-pg-proc.html" title="53.39. pg_proc"><code class="structname">pg_proc</code></a>.<code class="structfield">oid</code>)34      </p>35      <p>36       The function to be called37      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">38       <code class="structfield">evtenabled</code> <code class="type">char</code>39      </p>40      <p>41       Controls in which <a class="xref" href="runtime-config-client.html#GUC-SESSION-REPLICATION-ROLE">session_replication_role</a> modes42       the event trigger fires.43       <code class="literal">O</code> = trigger fires in <span class="quote">“<span class="quote">origin</span>”</span> and <span class="quote">“<span class="quote">local</span>”</span> modes,44       <code class="literal">D</code> = trigger is disabled,45       <code class="literal">R</code> = trigger fires in <span class="quote">“<span class="quote">replica</span>”</span> mode,46       <code class="literal">A</code> = trigger fires always.47      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">48       <code class="structfield">evttags</code> <code class="type">text[]</code>49      </p>50      <p>51       Command tags for which this trigger will fire.  If NULL, the firing52       of this trigger is not restricted on the basis of the command tag.53      </p></td></tr></tbody></table></div></div><br class="table-break" /></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="catalog-pg-enum.html" title="53.20. pg_enum">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="catalogs.html" title="Chapter 53. System Catalogs">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="catalog-pg-extension.html" title="53.22. pg_extension">Next</a></td></tr><tr><td width="40%" align="left" valign="top">53.20. <code class="structname">pg_enum</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 53.22. <code class="structname">pg_extension</code></td></tr></table></div></body></html>