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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>37.59. usage_privileges</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-udt-privileges.html" title="37.58. udt_privileges" /><link rel="next" href="infoschema-user-defined-types.html" title="37.60. user_defined_types" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">37.59. <code class="literal">usage_privileges</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="infoschema-udt-privileges.html" title="37.58. udt_privileges">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="information-schema.html" title="Chapter 37. The Information Schema">Up</a></td><th width="60%" align="center">Chapter 37. The Information Schema</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="infoschema-user-defined-types.html" title="37.60. user_defined_types">Next</a></td></tr></table><hr /></div><div class="sect1" id="INFOSCHEMA-USAGE-PRIVILEGES"><div class="titlepage"><div><div><h2 class="title" style="clear: both">37.59. <code class="literal">usage_privileges</code> <a href="#INFOSCHEMA-USAGE-PRIVILEGES" class="id_link">#</a></h2></div></div></div><p>
The view <code class="literal">usage_privileges</code> identifies
<code class="literal">USAGE</code> privileges granted on various kinds of
objects to a currently enabled role or by a currently enabled role.
In <span class="productname">PostgreSQL</span>, this currently applies to
collations, domains, foreign-data wrappers, foreign servers, and sequences. There is one
row for each combination of object, grantor, and grantee.
</p><p>
Since collations do not have real privileges
in <span class="productname">PostgreSQL</span>, this view shows implicit
non-grantable <code class="literal">USAGE</code> privileges granted by the
owner to <code class="literal">PUBLIC</code> for all collations. The other
object types, however, show real privileges.
</p><p>
In PostgreSQL, sequences also support <code class="literal">SELECT</code>
and <code class="literal">UPDATE</code> privileges in addition to
the <code class="literal">USAGE</code> privilege. These are nonstandard and therefore
not visible in the information schema.
</p><div class="table" id="id-1.7.6.63.5"><p class="title"><strong>Table 37.57. <code class="structname">usage_privileges</code> Columns</strong></p><div class="table-contents"><table class="table" summary="usage_privileges 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">grantor</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the role that granted the privilege
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">grantee</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the role that the privilege was granted to
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">object_catalog</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the database containing the object (always the current database)
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">object_schema</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the schema containing the object, if applicable,
else an empty string
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">object_name</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the object
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">object_type</code> <code class="type">character_data</code>
</p>
<p>
<code class="literal">COLLATION</code> or <code class="literal">DOMAIN</code> or <code class="literal">FOREIGN DATA WRAPPER</code> or <code class="literal">FOREIGN SERVER</code> or <code class="literal">SEQUENCE</code>
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">privilege_type</code> <code class="type">character_data</code>
</p>
<p>
Always <code class="literal">USAGE</code>
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">is_grantable</code> <code class="type">yes_or_no</code>
</p>
<p>
<code class="literal">YES</code> if the privilege is grantable, <code class="literal">NO</code> if not
</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-udt-privileges.html" title="37.58. udt_privileges">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="information-schema.html" title="Chapter 37. The Information Schema">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="infoschema-user-defined-types.html" title="37.60. user_defined_types">Next</a></td></tr><tr><td width="40%" align="left" valign="top">37.58. <code class="literal">udt_privileges</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 37.60. <code class="literal">user_defined_types</code></td></tr></table></div></body></html>
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