From 9346ed0be1ac9b326d6eeb78ec19efa2ed95a88d Mon Sep 17 00:00:00 2001
From: Andrew Dunstan <andrew@dunslane.net>
Date: Mon, 2 Sep 2013 14:41:02 -0400
Subject: [PATCH] Fix relfrozenxid query in docs to include TOAST tables.

The original query ignored TOAST tables which could result in tables
needing a vacuum not being reported.

Backpatch to all live branches.
---
 doc/src/sgml/maintenance.sgml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml
index c866322014..385ee20d0c 100644
--- a/doc/src/sgml/maintenance.sgml
+++ b/doc/src/sgml/maintenance.sgml
@@ -489,7 +489,12 @@
     examine this information is to execute queries such as:
 
 <programlisting>
-SELECT relname, age(relfrozenxid) FROM pg_class WHERE relkind = 'r';
+SELECT c.oid::regclass as table_name,
+       greatest(age(c.relfrozenxid),age(t.relfrozenxid)) as age
+FROM pg_class c
+LEFT JOIN pg_class t ON c.reltoastrelid = t.oid
+WHERE c.relkind = 'r';
+
 SELECT datname, age(datfrozenxid) FROM pg_database;
 </programlisting>
 
-- 
2.40.0