*** pgsql/contrib/pageinspect/rawpage.c	2009/01/01 17:23:32	1.10
--- pgsql/contrib/pageinspect/rawpage.c	2009/03/31 22:54:31	1.11
***************
*** 8,14 ****
   * Copyright (c) 2007-2009, PostgreSQL Global Development Group
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/contrib/pageinspect/rawpage.c,v 1.9 2008/10/31 15:04:59 heikki Exp $
   *
   *-------------------------------------------------------------------------
   */
--- 8,14 ----
   * Copyright (c) 2007-2009, PostgreSQL Global Development Group
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/contrib/pageinspect/rawpage.c,v 1.10 2009/01/01 17:23:32 momjian Exp $
   *
   *-------------------------------------------------------------------------
   */
*************** get_raw_page(PG_FUNCTION_ARGS)
*** 74,79 ****
--- 74,89 ----
  				 errmsg("cannot get raw page from composite type \"%s\"",
  						RelationGetRelationName(rel))));
  
+ 	/*
+ 	 * Reject attempts to read non-local temporary relations; we would
+ 	 * be likely to get wrong data since we have no visibility into the
+ 	 * owning session's local buffers.
+ 	 */
+ 	if (RELATION_IS_OTHER_TEMP(rel))
+ 		ereport(ERROR,
+ 				(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ 				 errmsg("cannot access temporary tables of other sessions")));
+ 
  	if (blkno >= RelationGetNumberOfBlocks(rel))
  		elog(ERROR, "block number %u is out of range for relation \"%s\"",
  			 blkno, RelationGetRelationName(rel));