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-rw-r--r--doc/src/sgml/protocol.sgml24
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index 5f89db58570..028ef10d91b 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1394,6 +1394,30 @@ The commands accepted in walsender mode are:
</varlistentry>
<varlistentry>
+ <term><literal>SHOW</literal> <replaceable class="parameter">name</replaceable>
+ <indexterm><primary>SHOW</primary></indexterm>
+ </term>
+ <listitem>
+ <para>
+ Requests the server to send the current setting of a run-time parameter.
+ This is similar to the SQL command <xref linkend="sql-show">.
+ </para>
+
+ <variablelist>
+ <varlistentry>
+ <term><replaceable class="parameter">name</></term>
+ <listitem>
+ <para>
+ The name of a run-time parameter. Available parameters are documented
+ in <xref linkend="runtime-config">.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><literal>TIMELINE_HISTORY</literal> <replaceable class="parameter">tli</replaceable>
<indexterm><primary>TIMELINE_HISTORY</primary></indexterm>
</term>