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*** nodeResult.c.orig	Wed Feb 18 13:19:47 1998
--- nodeResult.c	Wed Feb 18 13:20:31 1998
***************
*** 291,297 ****
  	 * if chgParam of subnode is not null then plan
  	 * will be re-scanned by first ExecProcNode.
  	 */
! 	if (((Plan*) node)->lefttree->chgParam == NULL)
  		ExecReScan (((Plan*) node)->lefttree, exprCtxt, (Plan *) node);
  	
  }
--- 291,298 ----
  	 * if chgParam of subnode is not null then plan
  	 * will be re-scanned by first ExecProcNode.
  	 */
! 	if (((Plan*) node)->lefttree && 
! 			((Plan*) node)->lefttree->chgParam == NULL)
  		ExecReScan (((Plan*) node)->lefttree, exprCtxt, (Plan *) node);
  	
  }