*** pgsql/src/bin/psql/describe.c	2008/12/31 18:07:47	1.191
--- pgsql/src/bin/psql/describe.c	2008/12/31 18:33:03	1.192
***************
*** 8,14 ****
   *
   * Copyright (c) 2000-2008, PostgreSQL Global Development Group
   *
!  * $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.190 2008/12/19 16:25:18 petere Exp $
   */
  #include "postgres_fe.h"
  
--- 8,14 ----
   *
   * Copyright (c) 2000-2008, PostgreSQL Global Development Group
   *
!  * $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.191 2008/12/31 18:07:47 tgl Exp $
   */
  #include "postgres_fe.h"
  
*************** listForeignDataWrappers(const char *patt
*** 2797,2802 ****
--- 2797,2809 ----
  	PGresult   *res;
  	printQueryOpt myopt = pset.popt;
  
+ 	if (pset.sversion < 80400)
+ 	{
+ 		fprintf(stderr, _("The server (version %d.%d) does not support foreign-data wrappers.\n"),
+ 				pset.sversion / 10000, (pset.sversion / 100) % 100);
+ 		return true;
+ 	}
+ 
  	initPQExpBuffer(&buf);
  	printfPQExpBuffer(&buf,
  					  "SELECT fdwname AS \"%s\",\n"
*************** listForeignServers(const char *pattern,
*** 2849,2854 ****
--- 2856,2868 ----
  	PGresult   *res;
  	printQueryOpt myopt = pset.popt;
  
+ 	if (pset.sversion < 80400)
+ 	{
+ 		fprintf(stderr, _("The server (version %d.%d) does not support foreign-data servers.\n"),
+ 				pset.sversion / 10000, (pset.sversion / 100) % 100);
+ 		return true;
+ 	}
+ 
  	initPQExpBuffer(&buf);
  	printfPQExpBuffer(&buf,
  					  "SELECT s.srvname AS \"%s\",\n"
*************** listUserMappings(const char *pattern, bo
*** 2908,2913 ****
--- 2922,2934 ----
  	PGresult   *res;
  	printQueryOpt myopt = pset.popt;
  
+ 	if (pset.sversion < 80400)
+ 	{
+ 		fprintf(stderr, _("The server (version %d.%d) does not support foreign-data user mappings.\n"),
+ 				pset.sversion / 10000, (pset.sversion / 100) % 100);
+ 		return true;
+ 	}
+ 
  	initPQExpBuffer(&buf);
  	printfPQExpBuffer(&buf,
  					  "SELECT um.srvname AS \"%s\",\n"