Index: joinpath.c
===================================================================
RCS file: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v
retrieving revision 1.91.4.1
diff -c -r1.91.4.1 joinpath.c
*** joinpath.c	23 Jan 2005 02:22:27 -0000	1.91.4.1
--- joinpath.c	24 May 2005 17:54:15 -0000
***************
*** 498,512 ****
  		 * nestloop path, but since mergejoin is our only join type that
  		 * supports FULL JOIN, it's necessary to generate a clauseless
  		 * mergejoin path instead.
- 		 *
- 		 * Unfortunately this can't easily be extended to handle the case
- 		 * where there are joinclauses but none of them use mergejoinable
- 		 * operators; nodeMergejoin.c can only do a full join correctly if
- 		 * all the joinclauses are mergeclauses.
  		 */
  		if (mergeclauses == NIL)
  		{
! 			if (jointype == JOIN_FULL && restrictlist == NIL)
  				 /* okay to try for mergejoin */ ;
  			else
  				continue;
--- 498,507 ----
  		 * nestloop path, but since mergejoin is our only join type that
  		 * supports FULL JOIN, it's necessary to generate a clauseless
  		 * mergejoin path instead.
  		 */
  		if (mergeclauses == NIL)
  		{
! 			if (jointype == JOIN_FULL)
  				 /* okay to try for mergejoin */ ;
  			else
  				continue;