From 26eb0c72ab564d17e72f45b16d8ff42d357986b9 Mon Sep 17 00:00:00 2001
From: Magnus Hagander <magnus@hagander.net>
Date: Tue, 6 Apr 2010 20:35:11 +0000
Subject: [PATCH] Log the actual timezone name that we fail to look up the
 values for in case the registry data doesn't follow the format we expect, to
 facilitate debugging.

---
 src/timezone/pgtz.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/timezone/pgtz.c b/src/timezone/pgtz.c
index 54403f4c886..023fd8b9921 100644
--- a/src/timezone/pgtz.c
+++ b/src/timezone/pgtz.c
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/timezone/pgtz.c,v 1.67 2010/03/12 21:40:36 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/timezone/pgtz.c,v 1.68 2010/04/06 20:35:11 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1091,7 +1091,8 @@ identify_system_timezone(void)
 		if ((r = RegQueryValueEx(key, "Std", NULL, NULL, zonename, &namesize)) != ERROR_SUCCESS)
 		{
 			ereport(WARNING,
-					(errmsg_internal("could not query value for 'std' to identify Windows timezone: %i", (int) r)));
+					(errmsg_internal("could not query value for 'std' to identify Windows timezone \"%s\": %i",
+									 keyname, (int) r)));
 			RegCloseKey(key);
 			break;
 		}
@@ -1107,7 +1108,8 @@ identify_system_timezone(void)
 		if ((r = RegQueryValueEx(key, "Dlt", NULL, NULL, zonename, &namesize)) != ERROR_SUCCESS)
 		{
 			ereport(WARNING,
-					(errmsg_internal("could not query value for 'dlt' to identify Windows timezone: %i", (int) r)));
+					(errmsg_internal("could not query value for 'dlt' to identify Windows timezone \"%s\": %i",
+									 keyname, (int) r)));
 			RegCloseKey(key);
 			break;
 		}
-- 
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