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diff --git a/src/backend/executor/tuptable.h b/src/backend/executor/tuptable.h
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+/*-------------------------------------------------------------------------
+ *
+ * tuptable.h--
+ *    tuple table support stuff
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: tuptable.h,v 1.1.1.1 1996/07/09 06:21:28 scrappy Exp $
+ *
+ * NOTES
+ *    The tuple table interface is getting pretty ugly.
+ *    It should be redesigned soon.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef TUPTABLE_H
+#define TUPTABLE_H
+
+/* ----------------
+ *	Note:  the executor tuple table is managed and manipulated by special
+ *	code and macros in executor/execTuples.c and tupTable.h
+ *
+ *	TupleTableSlot information
+ *
+ *	    shouldFree		boolean - should we call pfree() on tuple
+ *	    descIsNew		boolean - true when tupleDescriptor changes
+ *	    tupleDescriptor	type information kept regarding the tuple data
+ *	    buffer		the buffer for tuples pointing to disk pages
+ *
+ *	The executor stores pointers to tuples in a ``tuple table''
+ *	which is composed of TupleTableSlot's.  Some of the tuples
+ *	are pointers to buffer pages and others are pointers to
+ *	palloc'ed memory and the shouldFree variable tells us when
+ *	we may call pfree() on a tuple.  -cim 9/23/90
+ *
+ *	In the implementation of nested-dot queries such as
+ *	"retrieve (EMP.hobbies.all)", a single scan may return tuples
+ *	of many types, so now we return pointers to tuple descriptors
+ *	along with tuples returned via the tuple table.  -cim 1/18/90
+ * ----------------
+ */
+typedef struct TupleTableSlot {
+    NodeTag		type;
+    HeapTuple		val;
+    bool		ttc_shouldFree;
+    bool		ttc_descIsNew;
+    TupleDesc		ttc_tupleDescriptor;
+    Buffer		ttc_buffer;
+    int			ttc_whichplan;
+} TupleTableSlot;
+
+/* ----------------
+ *	tuple table data structure
+ * ----------------
+ */
+typedef struct TupleTableData {
+    int		size;		/* size of the table */
+    int		next;		/* next available slot number */
+    TupleTableSlot *array;	/* array of TupleTableSlot's */
+} TupleTableData;
+
+typedef TupleTableData *TupleTable;
+
+/* 
+  tuple table macros are all excised from the system now
+  see executor.h for decls of functions defined in execTuples.c
+
+  - jolly
+*/
+
+#endif /* TUPTABLE_H */