> > A simple and robus solution is in the begin of mbutils.c set default

> > ClientEncoding to SQL_ASCII (like default DatabaseEncoding). Bruce, can
> > you change it? It's one line change. Again thanks.

 Forget it! A default client encoding must be set by actual database encoding...
Please apply the small attached patch that solve it better.

Karel Zak

src/backend/utils/mb/mbutils.c

@@ -3,7 +3,7 @@
  * client encoding and server internal encoding.
  * (currently mule internal code (mic) is used)
  * Tatsuo Ishii
- * $Id: mbutils.c,v 1.20 2001/09/06 04:57:29 ishii Exp $
+ * $Id: mbutils.c,v 1.21 2001/09/08 14:30:15 momjian Exp $
  */
 #include "postgres.h"
 
@@ -137,10 +137,9 @@ pg_get_client_encoding()
 	Assert(DatabaseEncoding);
 
 	if (ClientEncoding == NULL)
-	{
 		/* this is the first time */
 		ClientEncoding = DatabaseEncoding;
-	}
+
 	return (ClientEncoding->encoding);
 }
 
@@ -153,10 +152,9 @@ pg_get_client_encoding_name()
 	Assert(DatabaseEncoding);
 
 	if (ClientEncoding == NULL)
-	{
 		/* this is the first time */
 		ClientEncoding = DatabaseEncoding;
-	}
+
 	return (ClientEncoding->name);
 }
 
@@ -311,9 +309,12 @@ pg_convert2(PG_FUNCTION_ARGS)
 unsigned char *
 pg_client_to_server(unsigned char *s, int len)
 {
-	Assert(ClientEncoding);
 	Assert(DatabaseEncoding);
 
+	if (ClientEncoding == NULL)
+		/* this is the first time */
+		ClientEncoding = DatabaseEncoding;
+
 	if (ClientEncoding->encoding == DatabaseEncoding->encoding)
 	    return s;
 
@@ -336,9 +337,12 @@ pg_client_to_server(unsigned char *s, int len)
 unsigned char *
 pg_server_to_client(unsigned char *s, int len)
 {
-	Assert(ClientEncoding);
 	Assert(DatabaseEncoding);
 
+	if (ClientEncoding == NULL)
+		/* this is the first time */
+		ClientEncoding = DatabaseEncoding;
+
 	if (ClientEncoding->encoding == DatabaseEncoding->encoding)
 		return s;