*** a/src/backend/executor/execMain.c
--- b/src/backend/executor/execMain.c
***************
*** 1884,1890 **** ExecPartitionCheck(ResultRelInfo *resultRelInfo, TupleTableSlot *slot,
  		char	   *val_desc;
  		Relation	orig_rel = rel;
  
! 		/* See the comment above. */
  		if (resultRelInfo->ri_PartitionRoot)
  		{
  			HeapTuple	tuple = ExecFetchSlotTuple(slot);
--- 1884,1893 ----
  		char	   *val_desc;
  		Relation	orig_rel = rel;
  
! 		/*
! 		 * If the tuple has been routed, convert it from the partition's
! 		 * rowtype to the root table's.  See the comment in ExecConstraints().
! 		 */
  		if (resultRelInfo->ri_PartitionRoot)
  		{
  			HeapTuple	tuple = ExecFetchSlotTuple(slot);
***************
*** 2011,2017 **** ExecConstraints(ResultRelInfo *resultRelInfo,
  			char	   *val_desc;
  			Relation	orig_rel = rel;
  
! 			/* See the comment above. */
  			if (resultRelInfo->ri_PartitionRoot)
  			{
  				HeapTuple	tuple = ExecFetchSlotTuple(slot);
--- 2014,2023 ----
  			char	   *val_desc;
  			Relation	orig_rel = rel;
  
! 			/*
! 			 * If the tuple has been routed, convert it from the partition's
! 			 * rowtype to the root table's.  See the comment above.
! 			 */
  			if (resultRelInfo->ri_PartitionRoot)
  			{
  				HeapTuple	tuple = ExecFetchSlotTuple(slot);
***************
*** 2121,2127 **** ExecWithCheckOptions(WCOKind kind, ResultRelInfo *resultRelInfo,
  					 * USING policy.
  					 */
  				case WCO_VIEW_CHECK:
! 					/* See the comment in ExecConstraints(). */
  					if (resultRelInfo->ri_PartitionRoot)
  					{
  						HeapTuple	tuple = ExecFetchSlotTuple(slot);
--- 2127,2137 ----
  					 * USING policy.
  					 */
  				case WCO_VIEW_CHECK:
! 					/*
! 					 * If the tuple has been routed, convert it from the
! 					 * partition's rowtype to the root table's.  See the
! 					 * comment in ExecConstraints().
! 					 */
  					if (resultRelInfo->ri_PartitionRoot)
  					{
  						HeapTuple	tuple = ExecFetchSlotTuple(slot);