1 files changed, 2 insertions, 40 deletions

diff --git a/src/backend/executor/nodeGroup.c b/src/backend/executor/nodeGroup.c
index 6a05023e50f..66c095bc723 100644
--- a/src/backend/executor/nodeGroup.c
+++ b/src/backend/executor/nodeGroup.c
@@ -50,23 +50,6 @@ ExecGroup(GroupState *node)
 	grpColIdx = ((Group *) node->ss.ps.plan)->grpColIdx;
 
 	/*
-	 * Check to see if we're still projecting out tuples from a previous group
-	 * tuple (because there is a function-returning-set in the projection
-	 * expressions).  If so, try to project another one.
-	 */
-	if (node->ss.ps.ps_TupFromTlist)
-	{
-		TupleTableSlot *result;
-		ExprDoneCond isDone;
-
-		result = ExecProject(node->ss.ps.ps_ProjInfo, &isDone);
-		if (isDone == ExprMultipleResult)
-			return result;
-		/* Done with that source tuple... */
-		node->ss.ps.ps_TupFromTlist = false;
-	}
-
-	/*
 	 * The ScanTupleSlot holds the (copied) first tuple of each group.
 	 */
 	firsttupleslot = node->ss.ss_ScanTupleSlot;
@@ -107,16 +90,7 @@ ExecGroup(GroupState *node)
 			/*
 			 * Form and return a projection tuple using the first input tuple.
 			 */
-			TupleTableSlot *result;
-			ExprDoneCond isDone;
-
-			result = ExecProject(node->ss.ps.ps_ProjInfo, &isDone);
-
-			if (isDone != ExprEndResult)
-			{
-				node->ss.ps.ps_TupFromTlist = (isDone == ExprMultipleResult);
-				return result;
-			}
+			return ExecProject(node->ss.ps.ps_ProjInfo);
 		}
 		else
 			InstrCountFiltered1(node, 1);
@@ -170,16 +144,7 @@ ExecGroup(GroupState *node)
 			/*
 			 * Form and return a projection tuple using the first input tuple.
 			 */
-			TupleTableSlot *result;
-			ExprDoneCond isDone;
-
-			result = ExecProject(node->ss.ps.ps_ProjInfo, &isDone);
-
-			if (isDone != ExprEndResult)
-			{
-				node->ss.ps.ps_TupFromTlist = (isDone == ExprMultipleResult);
-				return result;
-			}
+			return ExecProject(node->ss.ps.ps_ProjInfo);
 		}
 		else
 			InstrCountFiltered1(node, 1);
@@ -246,8 +211,6 @@ ExecInitGroup(Group *node, EState *estate, int eflags)
 	ExecAssignResultTypeFromTL(&grpstate->ss.ps);
 	ExecAssignProjectionInfo(&grpstate->ss.ps, NULL);
 
-	grpstate->ss.ps.ps_TupFromTlist = false;
-
 	/*
 	 * Precompute fmgr lookup data for inner loop
 	 */
@@ -283,7 +246,6 @@ ExecReScanGroup(GroupState *node)
 	PlanState  *outerPlan = outerPlanState(node);
 
 	node->grp_done = FALSE;
-	node->ss.ps.ps_TupFromTlist = false;
 	/* must clear first tuple */
 	ExecClearTuple(node->ss.ss_ScanTupleSlot);