From c820a81fba0a6c2388ec58fc0204ca833523e81e Mon Sep 17 00:00:00 2001
From: Justin Pryzby <pryzbyj@telsasoft.com>
Date: Sun, 27 Oct 2019 18:54:24 -0500
Subject: [PATCH v1 1/2] Mention reduced locking strength of ATTACH PARTITION..

See commit 898e5e32
---
 doc/src/sgml/ref/alter_table.sgml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml
index c8dfa19..a184bed 100644
--- a/doc/src/sgml/ref/alter_table.sgml
+++ b/doc/src/sgml/ref/alter_table.sgml
@@ -900,6 +900,13 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
       the scan of the new partition, it is always skipped when the default
       partition is a foreign table.
      </para>
+
+     <para>
+      Attaching a partition acquires a <literal>SHARE UPDATE EXCLUSIVE</literal>
+      lock on the partitioned table, in addition to an
+      <literal>ACCESS EXCLUSIVE</literal> lock on the partition.
+     </para>
+
     </listitem>
    </varlistentry>
 
-- 
2.7.4