From 95b07bc7f5010233f52f9d11da74e2e5b653b0a7 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sun, 28 Dec 2008 18:54:01 +0000
Subject: Support window functions a la SQL:2008.

Hitoshi Harada, with some kibitzing from Heikki and Tom.
---
 src/backend/optimizer/plan/setrefs.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/backend/optimizer/plan/setrefs.c')

diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c
index 9bec109f6f..83447082f5 100644
--- a/src/backend/optimizer/plan/setrefs.c
+++ b/src/backend/optimizer/plan/setrefs.c
@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/optimizer/plan/setrefs.c,v 1.146 2008/10/21 20:42:53 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/optimizer/plan/setrefs.c,v 1.147 2008/12/28 18:53:57 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -415,6 +415,7 @@ set_plan_refs(PlannerGlobal *glob, Plan *plan, int rtoffset)
 			}
 			break;
 		case T_Agg:
+		case T_WindowAgg:
 		case T_Group:
 			set_upper_references(glob, plan, rtoffset);
 			break;
@@ -679,6 +680,11 @@ fix_expr_common(PlannerGlobal *glob, Node *node)
 		record_plan_function_dependency(glob,
 										((Aggref *) node)->aggfnoid);
 	}
+	else if (IsA(node, WindowFunc))
+	{
+		record_plan_function_dependency(glob,
+										((WindowFunc *) node)->winfnoid);
+	}
 	else if (IsA(node, FuncExpr))
 	{
 		record_plan_function_dependency(glob,
-- 
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