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/include/executor/nodeWindowAgg.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/include/executor/nodeWindowAgg.h

(limited to 'src/include/executor/nodeWindowAgg.h')

diff --git a/src/include/executor/nodeWindowAgg.h b/src/include/executor/nodeWindowAgg.h
new file mode 100644
index 0000000000..e8531037c0
--- /dev/null
+++ b/src/include/executor/nodeWindowAgg.h
@@ -0,0 +1,25 @@
+/*-------------------------------------------------------------------------
+ *
+ * nodeWindowAgg.h
+ *	  prototypes for nodeWindowAgg.c
+ *
+ *
+ * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * $PostgreSQL: pgsql/src/include/executor/nodeWindowAgg.h,v 1.1 2008/12/28 18:54:00 tgl Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef NODEWINDOWAGG_H
+#define NODEWINDOWAGG_H
+
+#include "nodes/execnodes.h"
+
+extern int	ExecCountSlotsWindowAgg(WindowAgg *node);
+extern WindowAggState *ExecInitWindowAgg(WindowAgg *node, EState *estate, int eflags);
+extern TupleTableSlot *ExecWindowAgg(WindowAggState *node);
+extern void ExecEndWindowAgg(WindowAggState *node);
+extern void ExecReScanWindowAgg(WindowAggState *node, ExprContext *exprCtxt);
+
+#endif   /* NODEWINDOWAGG_H */
-- 
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