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   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>53.4. pg_available_extension_versions</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-available-extensions.html" title="53.3. pg_available_extensions" /><link rel="next" href="view-pg-backend-memory-contexts.html" title="53.5. pg_backend_memory_contexts" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">53.4. <code class="structname">pg_available_extension_versions</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="view-pg-available-extensions.html" title="53.3. pg_available_extensions">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 18.0 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="view-pg-backend-memory-contexts.html" title="53.5. pg_backend_memory_contexts">Next</a></td></tr></table><hr /></div><div class="sect1" id="VIEW-PG-AVAILABLE-EXTENSION-VERSIONS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">53.4. <code class="structname">pg_available_extension_versions</code> <a href="#VIEW-PG-AVAILABLE-EXTENSION-VERSIONS" class="id_link">#</a></h2></div></div></div><a id="id-1.10.5.8.2" class="indexterm"></a><p>
   3    The <code class="structname">pg_available_extension_versions</code> view lists the
   4    specific extension versions that are available for installation.
   5    See also the <a class="link" href="catalog-pg-extension.html" title="52.22. pg_extension"><code class="structname">pg_extension</code></a>
   6    catalog, which shows the extensions currently installed.
   7   </p><div class="table" id="id-1.10.5.8.4"><p class="title"><strong>Table 53.4. <code class="structname">pg_available_extension_versions</code> Columns</strong></p><div class="table-contents"><table class="table" summary="pg_available_extension_versions Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
   8        Column Type
   9       </p>
  10       <p>
  11        Description
  12       </p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
  13        <code class="structfield">name</code> <code class="type">name</code>
  14       </p>
  15       <p>
  16        Extension name
  17       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  18        <code class="structfield">version</code> <code class="type">text</code>
  19       </p>
  20       <p>
  21        Version name
  22       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  23        <code class="structfield">installed</code> <code class="type">bool</code>
  24       </p>
  25       <p>
  26        True if this version of this extension is currently
  27        installed
  28       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  29        <code class="structfield">superuser</code> <code class="type">bool</code>
  30       </p>
  31       <p>
  32        True if only superusers are allowed to install this extension
  33        (but see <code class="structfield">trusted</code>)
  34       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  35        <code class="structfield">trusted</code> <code class="type">bool</code>
  36       </p>
  37       <p>
  38        True if the extension can be installed by non-superusers
  39        with appropriate privileges
  40       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  41        <code class="structfield">relocatable</code> <code class="type">bool</code>
  42       </p>
  43       <p>
  44        True if extension can be relocated to another schema
  45       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  46        <code class="structfield">schema</code> <code class="type">name</code>
  47       </p>
  48       <p>
  49        Name of the schema that the extension must be installed into,
  50        or <code class="literal">NULL</code> if partially or fully relocatable
  51       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  52        <code class="structfield">requires</code> <code class="type">name[]</code>
  53       </p>
  54       <p>
  55        Names of prerequisite extensions,
  56        or <code class="literal">NULL</code> if none
  57       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
  58        <code class="structfield">comment</code> <code class="type">text</code>
  59       </p>
  60       <p>
  61        Comment string from the extension's control file
  62       </p></td></tr></tbody></table></div></div><br class="table-break" /><p>
  63    The <code class="structname">pg_available_extension_versions</code> view is
  64    read-only.
  65   </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="view-pg-available-extensions.html" title="53.3. pg_available_extensions">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-backend-memory-contexts.html" title="53.5. pg_backend_memory_contexts">Next</a></td></tr><tr><td width="40%" align="left" valign="top">53.3. <code class="structname">pg_available_extensions</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"> 53.5. <code class="structname">pg_backend_memory_contexts</code></td></tr></table></div></body></html>