Index: src/backend/nodes/outfuncs.c
===================================================================
RCS file: /home/neilc/postgres/cvs_root/pgsql/src/backend/nodes/outfuncs.c,v
retrieving revision 1.321
diff -p -c -r1.321 outfuncs.c
*** src/backend/nodes/outfuncs.c	7 Jan 2008 21:33:10 -0000	1.321
--- src/backend/nodes/outfuncs.c	9 Jan 2008 03:01:33 -0000
*************** _outHashJoin(StringInfo str, HashJoin *n
*** 501,512 ****
--- 501,523 ----
  static void
  _outAgg(StringInfo str, Agg *node)
  {
+ 	int i;
+ 
  	WRITE_NODE_TYPE("AGG");
  
  	_outPlanInfo(str, (Plan *) node);
  
  	WRITE_ENUM_FIELD(aggstrategy, AggStrategy);
  	WRITE_INT_FIELD(numCols);
+ 
+ 	appendStringInfo(str, " :grpColIdx");
+ 	for (i = 0; i < node->numCols; i++)
+ 		appendStringInfo(str, " %d", node->grpColIdx[i]);
+ 
+ 	appendStringInfo(str, " :grpOperators");
+ 	for (i = 0; i < node->numCols; i++)
+ 		appendStringInfo(str, " %u", node->grpOperators[i]);
+ 
  	WRITE_LONG_FIELD(numGroups);
  }