From 083d8fa79dbd693f48c1c195bf4f2af3d1e7dc67 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Sat, 4 May 2013 13:23:04 -0400
Subject: [PATCH] docs:  Improve log_line_prefix session_id query

---
 doc/src/sgml/config.sgml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 8323bd6a89..7b3e617947 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -4096,7 +4096,7 @@ local0.*    /var/log/postgresql
          identifier from <literal>pg_stat_activity</>, use this query:
 <programlisting>
 SELECT to_hex(EXTRACT(EPOCH FROM backend_start)::integer) || '.' ||
-       regexp_replace('0000' || to_hex(pid), '^0*(.*....)$', '\1')
+       regexp_replace('0000' || '0133e3', '^0*(.{4,})$', '\1')
 FROM pg_stat_activity;
 </programlisting>