3 files changed, 18 insertions, 25 deletions

diff --git a/src/backend/executor/execAmi.c b/src/backend/executor/execAmi.c
index 68d0d54a53..3b48a5cf18 100644
--- a/src/backend/executor/execAmi.c
+++ b/src/backend/executor/execAmi.c
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$PostgreSQL: pgsql/src/backend/executor/execAmi.c,v 1.91 2007/02/15 03:07:13 tgl Exp $
+ *	$PostgreSQL: pgsql/src/backend/executor/execAmi.c,v 1.92 2007/02/19 02:23:11 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -444,13 +444,16 @@ ExecMayReturnRawTuples(PlanState *node)
 		case T_IndexScanState:
 		case T_BitmapHeapScanState:
 		case T_TidScanState:
-		case T_SubqueryScanState:
-		case T_FunctionScanState:
-		case T_ValuesScanState:
 			if (node->ps_ProjInfo == NULL)
 				return true;
 			break;
 
+		case T_SubqueryScanState:
+			/* If not projecting, look at input plan */
+			if (node->ps_ProjInfo == NULL)
+				return ExecMayReturnRawTuples(((SubqueryScanState *) node)->subplan);
+			break;
+
 			/* Non-projecting nodes */
 		case T_HashState:
 		case T_MaterialState:
diff --git a/src/backend/executor/nodeFunctionscan.c b/src/backend/executor/nodeFunctionscan.c
index f7ca022f1c..d3d9886e3c 100644
--- a/src/backend/executor/nodeFunctionscan.c
+++ b/src/backend/executor/nodeFunctionscan.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/nodeFunctionscan.c,v 1.42 2007/01/05 22:19:28 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/nodeFunctionscan.c,v 1.43 2007/02/19 02:23:11 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -118,7 +118,6 @@ FunctionScanState *
 ExecInitFunctionScan(FunctionScan *node, EState *estate, int eflags)
 {
 	FunctionScanState *scanstate;
-	RangeTblEntry *rte;
 	Oid			funcrettype;
 	TypeFuncClass functypclass;
 	TupleDesc	tupdesc = NULL;
@@ -162,16 +161,10 @@ ExecInitFunctionScan(FunctionScan *node, EState *estate, int eflags)
 					 (PlanState *) scanstate);
 
 	/*
-	 * get info about function
-	 */
-	rte = rt_fetch(node->scan.scanrelid, estate->es_range_table);
-	Assert(rte->rtekind == RTE_FUNCTION);
-
-	/*
 	 * Now determine if the function returns a simple or composite type, and
 	 * build an appropriate tupdesc.
 	 */
-	functypclass = get_expr_result_type(rte->funcexpr,
+	functypclass = get_expr_result_type(node->funcexpr,
 										&funcrettype,
 										&tupdesc);
 
@@ -185,7 +178,7 @@ ExecInitFunctionScan(FunctionScan *node, EState *estate, int eflags)
 	else if (functypclass == TYPEFUNC_SCALAR)
 	{
 		/* Base data type, i.e. scalar */
-		char	   *attname = strVal(linitial(rte->eref->colnames));
+		char	   *attname = strVal(linitial(node->funccolnames));
 
 		tupdesc = CreateTemplateTupleDesc(1, false);
 		TupleDescInitEntry(tupdesc,
@@ -197,9 +190,9 @@ ExecInitFunctionScan(FunctionScan *node, EState *estate, int eflags)
 	}
 	else if (functypclass == TYPEFUNC_RECORD)
 	{
-		tupdesc = BuildDescFromLists(rte->eref->colnames,
-									 rte->funccoltypes,
-									 rte->funccoltypmods);
+		tupdesc = BuildDescFromLists(node->funccolnames,
+									 node->funccoltypes,
+									 node->funccoltypmods);
 	}
 	else
 	{
@@ -221,7 +214,7 @@ ExecInitFunctionScan(FunctionScan *node, EState *estate, int eflags)
 	 * Other node-specific setup
 	 */
 	scanstate->tuplestorestate = NULL;
-	scanstate->funcexpr = ExecInitExpr((Expr *) rte->funcexpr,
+	scanstate->funcexpr = ExecInitExpr((Expr *) node->funcexpr,
 									   (PlanState *) scanstate);
 
 	scanstate->ss.ps.ps_TupFromTlist = false;
diff --git a/src/backend/executor/nodeValuesscan.c b/src/backend/executor/nodeValuesscan.c
index d055b0160c..96e4b98a4e 100644
--- a/src/backend/executor/nodeValuesscan.c
+++ b/src/backend/executor/nodeValuesscan.c
@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/nodeValuesscan.c,v 1.5 2007/01/05 22:19:28 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/nodeValuesscan.c,v 1.6 2007/02/19 02:23:11 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -182,7 +182,6 @@ ValuesScanState *
 ExecInitValuesScan(ValuesScan *node, EState *estate, int eflags)
 {
 	ValuesScanState *scanstate;
-	RangeTblEntry *rte;
 	TupleDesc	tupdesc;
 	ListCell   *vtl;
 	int			i;
@@ -236,9 +235,7 @@ ExecInitValuesScan(ValuesScan *node, EState *estate, int eflags)
 	/*
 	 * get info about values list
 	 */
-	rte = rt_fetch(node->scan.scanrelid, estate->es_range_table);
-	Assert(rte->rtekind == RTE_VALUES);
-	tupdesc = ExecTypeFromExprList((List *) linitial(rte->values_lists));
+	tupdesc = ExecTypeFromExprList((List *) linitial(node->values_lists));
 
 	ExecAssignScanType(&scanstate->ss, tupdesc);
 
@@ -247,13 +244,13 @@ ExecInitValuesScan(ValuesScan *node, EState *estate, int eflags)
 	 */
 	scanstate->marked_idx = -1;
 	scanstate->curr_idx = -1;
-	scanstate->array_len = list_length(rte->values_lists);
+	scanstate->array_len = list_length(node->values_lists);
 
 	/* convert list of sublists into array of sublists for easy addressing */
 	scanstate->exprlists = (List **)
 		palloc(scanstate->array_len * sizeof(List *));
 	i = 0;
-	foreach(vtl, rte->values_lists)
+	foreach(vtl, node->values_lists)
 	{
 		scanstate->exprlists[i++] = (List *) lfirst(vtl);
 	}