implemented by <quote>walsender</quote> and <quote>apply</quote>
processes. The walsender process starts logical decoding (described
in <xref linkend="logicaldecoding"/>) of the WAL and loads the standard
- logical decoding plugin (pgoutput). The plugin transforms the changes read
+ logical decoding output plugin (<literal>pgoutput</literal>). The plugin
+ transforms the changes read
from WAL to the logical replication protocol
(see <xref linkend="protocol-logical-replication"/>) and filters the data
according to the publication specification. The data is then continuously
<term><replaceable class="parameter">option_name</replaceable></term>
<listitem>
<para>
- The name of an option passed to the slot's logical decoding plugin.
+ The name of an option passed to the slot's logical decoding output
+ plugin. See <xref linkend="protocol-logical-replication"/> for
+ options that are accepted by the standard (<literal>pgoutput</literal>)
+ plugin.
</para>
</listitem>
</varlistentry>
the physical streaming replication protocol.
</para>
+ <para>
+ <productname>PostgreSQL</productname> logical decoding supports output
+ plugins. <literal>pgoutput</literal> is the standard one used for
+ the built-in logical replication.
+ </para>
+
<sect2 id="protocol-logical-replication-params">
<title>Logical Streaming Replication Parameters</title>
<para>
- The logical replication <literal>START_REPLICATION</literal> command
- accepts following parameters:
+ Using the <literal>START_REPLICATION</literal> command,
+ <literal>pgoutput</literal> accepts the following options:
<variablelist>
<varlistentry>
<listitem>
<para>
Protocol version. Currently only version <literal>1</literal> is
- supported.
+ supported. A valid version is required.
</para>
</listitem>
</varlistentry>
Comma separated list of publication names for which to subscribe
(receive changes). The individual publication names are treated
as standard objects names and can be quoted the same as needed.
+ At least one publication name is required.
</para>
</listitem>
</varlistentry>