From cd2a6b57c05fca107b46a6859926337be1722e47 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Wed, 26 Jul 2006 11:39:47 +0000
Subject: [PATCH] When a GUC string variable is not set, print the empty string
 (in SHOW etc.), not "unset".  An "unset" state doesn't really exist; all
 variables behave like an empty string value if the string being pointed to
 has not been initialized.

---
 src/backend/utils/misc/guc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index cf38490d9e..ee05662b58 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -10,7 +10,7 @@
  * Written by Peter Eisentraut <peter_e@gmx.net>.
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.330 2006/07/26 11:35:56 petere Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.331 2006/07/26 11:39:47 petere Exp $
  *
  *--------------------------------------------------------------------
  */
@@ -5113,7 +5113,7 @@ _ShowOption(struct config_generic * record)
 				else if (*conf->variable && **conf->variable)
 					val = *conf->variable;
 				else
-					val = "unset";
+					val = "";
 			}
 			break;