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<!--
doc/src/sgml/ref/alter_publication.sgml
PostgreSQL documentation
-->
<refentry id="sql-alterpublication">
<indexterm zone="sql-alterpublication">
<primary>ALTER PUBLICATION</primary>
</indexterm>
<refmeta>
<refentrytitle>ALTER PUBLICATION</refentrytitle>
<manvolnum>7</manvolnum>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ALTER PUBLICATION</refname>
<refpurpose>change the definition of a publication</refpurpose>
</refnamediv>
<refsynopsisdiv>
<synopsis>
ALTER PUBLICATION <replaceable class="parameter">name</replaceable> ADD TABLE [ ONLY ] <replaceable class="parameter">table_name</replaceable> [ * ] [, ...]
ALTER PUBLICATION <replaceable class="parameter">name</replaceable> SET TABLE [ ONLY ] <replaceable class="parameter">table_name</replaceable> [ * ] [, ...]
ALTER PUBLICATION <replaceable class="parameter">name</replaceable> DROP TABLE [ ONLY ] <replaceable class="parameter">table_name</replaceable> [ * ] [, ...]
ALTER PUBLICATION <replaceable class="parameter">name</replaceable> SET ( <replaceable class="parameter">publication_parameter</replaceable> [= <replaceable class="parameter">value</replaceable>] [, ... ] )
ALTER PUBLICATION <replaceable class="parameter">name</replaceable> OWNER TO { <replaceable>new_owner</replaceable> | CURRENT_USER | SESSION_USER }
ALTER PUBLICATION <replaceable class="parameter">name</replaceable> RENAME TO <replaceable>new_name</replaceable>
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
The command <command>ALTER PUBLICATION</command> can change the attributes
of a publication.
</para>
<para>
The first three variants change which tables are part of the publication.
The <literal>SET TABLE</literal> clause will replace the list of tables in
the publication with the specified one. The <literal>ADD TABLE</literal>
and <literal>DROP TABLE</literal> clauses will add and remove one or more
tables from the publication. Note that adding tables to a publication that
is already subscribed to will require a <literal>ALTER SUBSCRIPTION
... REFRESH PUBLICATION</literal> action on the subscribing side in order
to become effective.
</para>
<para>
The fourth variant of this command listed in the synopsis can change
all of the publication properties specified in
<xref linkend="sql-createpublication"/>. Properties not mentioned in the
command retain their previous settings.
</para>
<para>
The remaining variants change the owner and the name of the publication.
</para>
<para>
You must own the publication to use <command>ALTER PUBLICATION</command>.
Adding a table to a publication additionally requires owning that table.
To alter the owner, you must also be a direct or indirect member of the new
owning role. The new owner must have <literal>CREATE</literal> privilege on
the database. Also, the new owner of a <literal>FOR ALL TABLES</literal>
publication must be a superuser. However, a superuser can change the
ownership of a publication regardless of these restrictions.
</para>
</refsect1>
<refsect1>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><replaceable class="parameter">name</replaceable></term>
<listitem>
<para>
The name of an existing publication whose definition is to be altered.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">table_name</replaceable></term>
<listitem>
<para>
Name of an existing table. If <literal>ONLY</literal> is specified before the
table name, only that table is affected. If <literal>ONLY</literal> is not
specified, the table and all its descendant tables (if any) are
affected. Optionally, <literal>*</literal> can be specified after the table
name to explicitly indicate that descendant tables are included.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>SET ( <replaceable class="parameter">publication_parameter</replaceable> [= <replaceable class="parameter">value</replaceable>] [, ... ] )</literal></term>
<listitem>
<para>
This clause alters publication parameters originally set by
<xref linkend="sql-createpublication"/>. See there for more information.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">new_owner</replaceable></term>
<listitem>
<para>
The user name of the new owner of the publication.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">new_name</replaceable></term>
<listitem>
<para>
The new name for the publication.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Change the publication to publish only deletes and updates:
<programlisting>
ALTER PUBLICATION noinsert SET (publish = 'update, delete');
</programlisting>
</para>
<para>
Add some tables to the publication:
<programlisting>
ALTER PUBLICATION mypublication ADD TABLE users, departments;
</programlisting></para>
</refsect1>
<refsect1>
<title>Compatibility</title>
<para>
<command>ALTER PUBLICATION</command> is a <productname>PostgreSQL</productname>
extension.
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<simplelist type="inline">
<member><xref linkend="sql-createpublication"/></member>
<member><xref linkend="sql-droppublication"/></member>
<member><xref linkend="sql-createsubscription"/></member>
<member><xref linkend="sql-altersubscription"/></member>
</simplelist>
</refsect1>
</refentry>
|
