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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>ALTER LARGE OBJECT</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="sql-alterlanguage.html" title="ALTER LANGUAGE" /><link rel="next" href="sql-altermaterializedview.html" title="ALTER MATERIALIZED VIEW" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">ALTER LARGE OBJECT</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-alterlanguage.html" title="ALTER LANGUAGE">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><th width="60%" align="center">SQL Commands</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="sql-altermaterializedview.html" title="ALTER MATERIALIZED VIEW">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-ALTERLARGEOBJECT"><div class="titlepage"></div><a id="id-1.9.3.18.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">ALTER LARGE OBJECT</span></h2><p>ALTER LARGE OBJECT — change the definition of a large object</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
ALTER LARGE OBJECT <em class="replaceable"><code>large_object_oid</code></em> OWNER TO { <em class="replaceable"><code>new_owner</code></em> | CURRENT_ROLE | CURRENT_USER | SESSION_USER }
</pre></div><div class="refsect1" id="id-1.9.3.18.5"><h2>Description</h2><p>
<code class="command">ALTER LARGE OBJECT</code> changes the definition of a
large object.
</p><p>
You must own the large object to use <code class="command">ALTER LARGE OBJECT</code>.
To alter the owner, you must also be able to <code class="literal">SET ROLE</code> to
the new owning role.
(However, a superuser can alter any large object anyway.)
Currently, the only functionality is to assign a new owner, so both
restrictions always apply.
</p></div><div class="refsect1" id="id-1.9.3.18.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="replaceable"><code>large_object_oid</code></em></span></dt><dd><p>
OID of the large object to be altered
</p></dd><dt><span class="term"><em class="replaceable"><code>new_owner</code></em></span></dt><dd><p>
The new owner of the large object
</p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.18.7"><h2>Compatibility</h2><p>
There is no <code class="command">ALTER LARGE OBJECT</code> statement in the SQL
standard.
</p></div><div class="refsect1" id="id-1.9.3.18.8"><h2>See Also</h2><span class="simplelist"><a class="xref" href="largeobjects.html" title="Chapter 35. Large Objects">Chapter 35</a></span></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sql-alterlanguage.html" title="ALTER LANGUAGE">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sql-altermaterializedview.html" title="ALTER MATERIALIZED VIEW">Next</a></td></tr><tr><td width="40%" align="left" valign="top">ALTER LANGUAGE </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"> ALTER MATERIALIZED VIEW</td></tr></table></div></body></html>
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