From db6de5b71ef2d91dde94fc0de8adf45372bc332d Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
Date: Fri, 27 Jan 2012 12:13:49 -0500
Subject: [PATCH] Document that analyzing an empty table doesn't update the
 statistics.

Per a suggestion from Sergey Konoplev
---
 doc/src/sgml/ref/analyze.sgml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/src/sgml/ref/analyze.sgml b/doc/src/sgml/ref/analyze.sgml
index 7545fa5d86..8c9057beb9 100644
--- a/doc/src/sgml/ref/analyze.sgml
+++ b/doc/src/sgml/ref/analyze.sgml
@@ -190,6 +190,12 @@ ANALYZE [ VERBOSE ] [ <replaceable class="PARAMETER">table</replaceable> [ ( <re
     or updated, the inheritance statistics will not be up to date unless you
     run <command>ANALYZE</command> manually.
   </para>
+
+  <para>
+    If the table being analyzed is completely empty, <command>ANALYZE</command>
+    will not record new statistics for that table.  Any existing statistics
+    will be retained.
+  </para>
  </refsect1>
 
  <refsect1>
-- 
2.39.5