From f96f14744533e7409876056eeca0229a32fac4dd Mon Sep 17 00:00:00 2001
From: Tomas Vondra <tomas.vondra@postgresql.org>
Date: Mon, 4 Nov 2019 02:00:26 +0100
Subject: [PATCH] Document log_transaction_sample_rate as superuser-only

The docs do say which GUCs can be changed only by superusers, but we
forgot to mention this for the new log_transaction_sample_rate. This
GUC was introduced in PostgreSQL 12, so backpatch accordingly.

Author: Adrien Nayrat
Backpatch-through: 12
---
 doc/src/sgml/config.sgml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 0bb0001146..c2124393d0 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -5988,6 +5988,7 @@ local0.*    /var/log/postgresql
          logs all statements for all transactions.
          <varname>log_transaction_sample_rate</varname> is helpful to track a
          sample of transaction.
+         Only superusers can change this setting.
         </para>
        <note>
         <para>