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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>53.22. pg_rules</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="view-pg-roles.html" title="53.21. pg_roles" /><link rel="next" href="view-pg-seclabels.html" title="53.23. pg_seclabels" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">53.22. <code class="structname">pg_rules</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="view-pg-roles.html" title="53.21. pg_roles">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="views.html" title="Chapter 53. System Views">Up</a></td><th width="60%" align="center">Chapter 53. System Views</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 18.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="view-pg-seclabels.html" title="53.23. pg_seclabels">Next</a></td></tr></table><hr /></div><div class="sect1" id="VIEW-PG-RULES"><div class="titlepage"><div><div><h2 class="title" style="clear: both">53.22. <code class="structname">pg_rules</code> <a href="#VIEW-PG-RULES" class="id_link">#</a></h2></div></div></div><a id="id-1.10.5.26.2" class="indexterm"></a><p>
   The view <code class="structname">pg_rules</code> provides access to
   useful information about query rewrite rules.
  </p><div class="table" id="id-1.10.5.26.4"><p class="title"><strong>Table 53.22. <code class="structname">pg_rules</code> Columns</strong></p><div class="table-contents"><table class="table" summary="pg_rules Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
       Column Type
      </p>
      <p>
       Description
      </p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
       <code class="structfield">schemaname</code> <code class="type">name</code>
       (references <a class="link" href="catalog-pg-namespace.html" title="52.32. pg_namespace"><code class="structname">pg_namespace</code></a>.<code class="structfield">nspname</code>)
      </p>
      <p>
       Name of schema containing table
      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
       <code class="structfield">tablename</code> <code class="type">name</code>
       (references <a class="link" href="catalog-pg-class.html" title="52.11. pg_class"><code class="structname">pg_class</code></a>.<code class="structfield">relname</code>)
      </p>
      <p>
       Name of table the rule is for
      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
       <code class="structfield">rulename</code> <code class="type">name</code>
       (references <a class="link" href="catalog-pg-rewrite.html" title="52.45. pg_rewrite"><code class="structname">pg_rewrite</code></a>.<code class="structfield">rulename</code>)
      </p>
      <p>
       Name of rule
      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
       <code class="structfield">definition</code> <code class="type">text</code>
      </p>
      <p>
       Rule definition (a reconstructed creation command)
      </p></td></tr></tbody></table></div></div><br class="table-break" /><p>
   The <code class="structname">pg_rules</code> view excludes the <code class="literal">ON SELECT</code> rules
   of views and materialized views; those can be seen in
   <a class="link" href="view-pg-views.html" title="53.37. pg_views"><code class="structname">pg_views</code></a> and <a class="link" href="view-pg-matviews.html" title="53.14. pg_matviews"><code class="structname">pg_matviews</code></a>.
  </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="view-pg-roles.html" title="53.21. pg_roles">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="views.html" title="Chapter 53. System Views">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="view-pg-seclabels.html" title="53.23. pg_seclabels">Next</a></td></tr><tr><td width="40%" align="left" valign="top">53.21. <code class="structname">pg_roles</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 18.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 53.23. <code class="structname">pg_seclabels</code></td></tr></table></div></body></html>