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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 MATERIALIZED VIEW</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-alterlargeobject.html" title="ALTER LARGE OBJECT" /><link rel="next" href="sql-alteroperator.html" title="ALTER OPERATOR" /></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 MATERIALIZED VIEW</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-alterlargeobject.html" title="ALTER LARGE OBJECT">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 15.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-alteroperator.html" title="ALTER OPERATOR">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-ALTERMATERIALIZEDVIEW"><div class="titlepage"></div><a id="id-1.9.3.19.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">ALTER MATERIALIZED VIEW</span></h2><p>ALTER MATERIALIZED VIEW — change the definition of a materialized view</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
ALTER MATERIALIZED VIEW [ IF EXISTS ] <em class="replaceable"><code>name</code></em>
<em class="replaceable"><code>action</code></em> [, ... ]
ALTER MATERIALIZED VIEW <em class="replaceable"><code>name</code></em>
[ NO ] DEPENDS ON EXTENSION <em class="replaceable"><code>extension_name</code></em>
ALTER MATERIALIZED VIEW [ IF EXISTS ] <em class="replaceable"><code>name</code></em>
RENAME [ COLUMN ] <em class="replaceable"><code>column_name</code></em> TO <em class="replaceable"><code>new_column_name</code></em>
ALTER MATERIALIZED VIEW [ IF EXISTS ] <em class="replaceable"><code>name</code></em>
RENAME TO <em class="replaceable"><code>new_name</code></em>
ALTER MATERIALIZED VIEW [ IF EXISTS ] <em class="replaceable"><code>name</code></em>
SET SCHEMA <em class="replaceable"><code>new_schema</code></em>
ALTER MATERIALIZED VIEW ALL IN TABLESPACE <em class="replaceable"><code>name</code></em> [ OWNED BY <em class="replaceable"><code>role_name</code></em> [, ... ] ]
SET TABLESPACE <em class="replaceable"><code>new_tablespace</code></em> [ NOWAIT ]
<span class="phrase">where <em class="replaceable"><code>action</code></em> is one of:</span>
ALTER [ COLUMN ] <em class="replaceable"><code>column_name</code></em> SET STATISTICS <em class="replaceable"><code>integer</code></em>
ALTER [ COLUMN ] <em class="replaceable"><code>column_name</code></em> SET ( <em class="replaceable"><code>attribute_option</code></em> = <em class="replaceable"><code>value</code></em> [, ... ] )
ALTER [ COLUMN ] <em class="replaceable"><code>column_name</code></em> RESET ( <em class="replaceable"><code>attribute_option</code></em> [, ... ] )
ALTER [ COLUMN ] <em class="replaceable"><code>column_name</code></em> SET STORAGE { PLAIN | EXTERNAL | EXTENDED | MAIN }
ALTER [ COLUMN ] <em class="replaceable"><code>column_name</code></em> SET COMPRESSION <em class="replaceable"><code>compression_method</code></em>
CLUSTER ON <em class="replaceable"><code>index_name</code></em>
SET WITHOUT CLUSTER
SET ACCESS METHOD <em class="replaceable"><code>new_access_method</code></em>
SET TABLESPACE <em class="replaceable"><code>new_tablespace</code></em>
SET ( <em class="replaceable"><code>storage_parameter</code></em> [= <em class="replaceable"><code>value</code></em>] [, ... ] )
RESET ( <em class="replaceable"><code>storage_parameter</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-1.9.3.19.5"><h2>Description</h2><p>
<code class="command">ALTER MATERIALIZED VIEW</code> changes various auxiliary
properties of an existing materialized view.
</p><p>
You must own the materialized view to use <code class="command">ALTER MATERIALIZED
VIEW</code>. To change a materialized view's schema, you must also have
<code class="literal">CREATE</code> privilege on the new schema.
To alter the owner, you must also be a direct or indirect member of the new
owning role, and that role must have <code class="literal">CREATE</code> privilege on
the materialized view's schema. (These restrictions enforce that altering
the owner doesn't do anything you couldn't do by dropping and recreating the
materialized view. However, a superuser can alter ownership of any view
anyway.)
</p><p>
The statement subforms and actions available for
<code class="command">ALTER MATERIALIZED VIEW</code> are a subset of those available
for <code class="command">ALTER TABLE</code>, and have the same meaning when used for
materialized views. See the descriptions for
<a class="link" href="sql-altertable.html" title="ALTER TABLE"><code class="command">ALTER TABLE</code></a>
for details.
</p></div><div class="refsect1" id="id-1.9.3.19.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="replaceable"><code>name</code></em></span></dt><dd><p>
The name (optionally schema-qualified) of an existing materialized view.
</p></dd><dt><span class="term"><em class="replaceable"><code>column_name</code></em></span></dt><dd><p>
Name of a new or existing column.
</p></dd><dt><span class="term"><em class="replaceable"><code>extension_name</code></em></span></dt><dd><p>
The name of the extension that the materialized view is to depend on (or no longer
dependent on, if <code class="literal">NO</code> is specified). A materialized view
that's marked as dependent on an extension is automatically dropped when
the extension is dropped.
</p></dd><dt><span class="term"><em class="replaceable"><code>new_column_name</code></em></span></dt><dd><p>
New name for an existing column.
</p></dd><dt><span class="term"><em class="replaceable"><code>new_owner</code></em></span></dt><dd><p>
The user name of the new owner of the materialized view.
</p></dd><dt><span class="term"><em class="replaceable"><code>new_name</code></em></span></dt><dd><p>
The new name for the materialized view.
</p></dd><dt><span class="term"><em class="replaceable"><code>new_schema</code></em></span></dt><dd><p>
The new schema for the materialized view.
</p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.19.7"><h2>Examples</h2><p>
To rename the materialized view <code class="literal">foo</code> to
<code class="literal">bar</code>:
</p><pre class="programlisting">
ALTER MATERIALIZED VIEW foo RENAME TO bar;
</pre></div><div class="refsect1" id="id-1.9.3.19.8"><h2>Compatibility</h2><p>
<code class="command">ALTER MATERIALIZED VIEW</code> is a
<span class="productname">PostgreSQL</span> extension.
</p></div><div class="refsect1" id="id-1.9.3.19.9"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-creatematerializedview.html" title="CREATE MATERIALIZED VIEW"><span class="refentrytitle">CREATE MATERIALIZED VIEW</span></a>, <a class="xref" href="sql-dropmaterializedview.html" title="DROP MATERIALIZED VIEW"><span class="refentrytitle">DROP MATERIALIZED VIEW</span></a>, <a class="xref" href="sql-refreshmaterializedview.html" title="REFRESH MATERIALIZED VIEW"><span class="refentrytitle">REFRESH MATERIALIZED VIEW</span></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-alterlargeobject.html" title="ALTER LARGE OBJECT">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-alteroperator.html" title="ALTER OPERATOR">Next</a></td></tr><tr><td width="40%" align="left" valign="top">ALTER LARGE OBJECT </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> ALTER OPERATOR</td></tr></table></div></body></html>
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