begriffs open source - ai-pg/blob - full-docs/src/sgml/html/infoschema-view-table-usage.html

   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>35.65. view_table_usage</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="infoschema-view-routine-usage.html" title="35.64. view_routine_usage" /><link rel="next" href="infoschema-views.html" title="35.66. views" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">35.65. <code class="literal">view_table_usage</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="infoschema-view-routine-usage.html" title="35.64. view_routine_usage">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="information-schema.html" title="Chapter 35. The Information Schema">Up</a></td><th width="60%" align="center">Chapter 35. The Information Schema</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 18.0 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="infoschema-views.html" title="35.66. views">Next</a></td></tr></table><hr /></div><div class="sect1" id="INFOSCHEMA-VIEW-TABLE-USAGE"><div class="titlepage"><div><div><h2 class="title" style="clear: both">35.65. <code class="literal">view_table_usage</code> <a href="#INFOSCHEMA-VIEW-TABLE-USAGE" class="id_link">#</a></h2></div></div></div><p>
   3    The view <code class="literal">view_table_usage</code> identifies all tables
   4    that are used in the query expression of a view (the
   5    <code class="command">SELECT</code> statement that defines the view).  A
   6    table is only included if that table is owned by a currently
   7    enabled role.
   8   </p><div class="note"><h3 class="title">Note</h3><p>
   9     System tables are not included.  This should be fixed sometime.
  10    </p></div><div class="table" id="id-1.7.6.69.4"><p class="title"><strong>Table 35.63. <code class="structname">view_table_usage</code> Columns</strong></p><div class="table-contents"><table class="table" summary="view_table_usage Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
  11        Column Type
  12       </p>
  13       <p>
  14        Description
  15       </p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
  16        <code class="structfield">view_catalog</code> <code class="type">sql_identifier</code>
  17       </p>
  18       <p>
  19        Name of the database that contains the view (always the current database)
  20       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  21        <code class="structfield">view_schema</code> <code class="type">sql_identifier</code>
  22       </p>
  23       <p>
  24        Name of the schema that contains the view
  25       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  26        <code class="structfield">view_name</code> <code class="type">sql_identifier</code>
  27       </p>
  28       <p>
  29        Name of the view
  30       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  31        <code class="structfield">table_catalog</code> <code class="type">sql_identifier</code>
  32       </p>
  33       <p>
  34        Name of the database that contains the table that is
  35        used by the view (always the current database)
  36       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  37        <code class="structfield">table_schema</code> <code class="type">sql_identifier</code>
  38       </p>
  39       <p>
  40        Name of the schema that contains the table that is used by the
  41        view
  42       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  43        <code class="structfield">table_name</code> <code class="type">sql_identifier</code>
  44       </p>
  45       <p>
  46        Name of the table that is used by the view
  47       </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="infoschema-view-routine-usage.html" title="35.64. view_routine_usage">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="information-schema.html" title="Chapter 35. The Information Schema">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="infoschema-views.html" title="35.66. views">Next</a></td></tr><tr><td width="40%" align="left" valign="top">35.64. <code class="literal">view_routine_usage</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 18.0 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 35.66. <code class="literal">views</code></td></tr></table></div></body></html>