From 14180f9214933169d287e537dfabb0e9286896a2 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Wed, 10 Jun 2009 20:25:41 +0000
Subject: [PATCH] Add warning that xpath() doesn't work with non-UTF8 data.
---
doc/src/sgml/datatype.sgml | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index b2c3e7f3958..4844fd63b51 100644
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.237 2009/04/27 16:27:35 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.238 2009/06/10 20:25:41 tgl Exp $ -->
<chapter id="datatype">
<title id="datatype-title">Data Types</title>
@@ -3958,6 +3958,14 @@ SET xmloption TO { DOCUMENT | CONTENT };
processed in UTF-8, computations will be most efficient if the
server encoding is also UTF-8.
</para>
+
+ <caution>
+ <para>
+ Some XML-related functions may not work at all on non-ASCII data
+ when the server encoding is not UTF-8. This is known to be an
+ issue for <function>xpath()</> in particular.
+ </para>
+ </caution>
</sect2>
<sect2>
--
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