Doc: Add missing pgoutput options.

We forgot to update the docs while adding new options in pgoutput.

Author: Emre Hasegeli
Reviewed-by: Peter Smith, Amit Kapila
Backpatch-through: 12
Discussion: https://postgr.es/m/CAE2gYzwdwtUbs-tPSV-QBwgTubiyGD2ZGsSnAVsDfAGGLDrGOA%40mail.gmail.com

Author: Amit Kapila

doc/src/sgml/logical-replication.sgml

@@ -532,7 +532,7 @@ test_sub=# SELECT * FROM t3;
     remote replication slot was not created automatically, the user must create
     it manually before the subscription can be activated. The steps to create
     the slot and activate the subscription are shown in the following examples.
-    These examples specify the standard logical decoding plugin
+    These examples specify the standard logical decoding output plugin
     (<literal>pgoutput</literal>), which is what the built-in logical
     replication uses.
    </para>
@@ -1643,7 +1643,8 @@ CONTEXT:  processing remote data for replication origin "pg_16395" during "INSER
    implemented by <literal>walsender</literal> and <literal>apply</literal>
    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

doc/src/sgml/protocol.sgml

@@ -2541,7 +2541,10 @@ psql "dbname=postgres replication=database" -c "IDENTIFY_SYSTEM;"
         <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>
@@ -3078,12 +3081,18 @@ psql "dbname=postgres replication=database" -c "IDENTIFY_SYSTEM;"
   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>
@@ -3093,7 +3102,8 @@ psql "dbname=postgres replication=database" -c "IDENTIFY_SYSTEM;"
      <listitem>
       <para>
        Protocol version. Currently versions <literal>1</literal>, <literal>2</literal>,
-       <literal>3</literal>, and <literal>4</literal> are supported.
+       <literal>3</literal>, and <literal>4</literal> are supported.  A valid
+       version is required.
       </para>
       <para>
        Version <literal>2</literal> is supported only for server version 14
@@ -3120,6 +3130,73 @@ psql "dbname=postgres replication=database" -c "IDENTIFY_SYSTEM;"
        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>
+
+    <varlistentry>
+     <term>
+      binary
+     </term>
+     <listitem>
+      <para>
+       Boolean option to use binary transfer mode.  Binary mode is faster
+       than the text mode but slightly less robust.
+      </para>
+     </listitem>
+    </varlistentry>
+
+    <varlistentry>
+     <term>
+      messages
+     </term>
+     <listitem>
+      <para>
+       Boolean option to enable sending the messages that are written
+       by <function>pg_logical_emit_message</function>.
+      </para>
+     </listitem>
+    </varlistentry>
+
+    <varlistentry>
+     <term>
+      streaming
+     </term>
+     <listitem>
+      <para>
+       Boolean option to enable streaming of in-progress transactions.
+       It accepts an additional value "parallel" to enable sending extra
+       information with some messages to be used for parallelisation.
+       Minimum protocol version 2 is required to turn it on.  Minimum protocol
+       version 4 is required for the "parallel" option.
+      </para>
+     </listitem>
+    </varlistentry>
+
+    <varlistentry>
+     <term>
+      two_phase
+     </term>
+     <listitem>
+      <para>
+       Boolean option to enable two-phase transactions.   Minimum protocol
+       version 3 is required to turn it on.
+      </para>
+     </listitem>
+    </varlistentry>
+
+    <varlistentry>
+     <term>
+      origin
+     </term>
+     <listitem>
+      <para>
+       Option to send changes by their origin.  Possible values are "none"
+       to only send the changes that have no origin associated, or "any"
+       to send the changes regardless of their origin.  This can be used
+       to avoid loops (infinite replication of the same data) among
+       replication nodes.
       </para>
      </listitem>
     </varlistentry>