Index: src/backend/executor/nodeFunctionscan.c
===================================================================
RCS file: /opt/src/cvs/pgsql/src/backend/executor/nodeFunctionscan.c,v
retrieving revision 1.1
diff -c -r1.1 nodeFunctionscan.c
*** src/backend/executor/nodeFunctionscan.c	12 May 2002 20:10:02 -0000	1.1
--- src/backend/executor/nodeFunctionscan.c	19 May 2002 20:11:10 -0000
***************
*** 370,389 ****
  void
  ExecFunctionReScan(FunctionScan *node, ExprContext *exprCtxt, Plan *parent)
  {
! 	FunctionScanState  *scanstate;
! 
! 	/*
! 	 * get information from node
! 	 */
! 	scanstate = (FunctionScanState *) node->scan.scanstate;
! 
! 	ExecClearTuple(scanstate->csstate.cstate.cs_ResultTupleSlot);
  
  	/*
  	 * If we haven't materialized yet, just return.
  	 */
  	if (!scanstate->tuplestorestate)
  		return;
  
  	/*
  	 * Here we have a choice whether to drop the tuplestore (and recompute
--- 370,384 ----
  void
  ExecFunctionReScan(FunctionScan *node, ExprContext *exprCtxt, Plan *parent)
  {
! 	FunctionScanState  *scanstate = (FunctionScanState *) node->scan.scanstate;
  
  	/*
  	 * If we haven't materialized yet, just return.
  	 */
  	if (!scanstate->tuplestorestate)
  		return;
+ 
+ 	ExecClearTuple(scanstate->csstate.css_ScanTupleSlot);
  
  	/*
  	 * Here we have a choice whether to drop the tuplestore (and recompute