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diff --git a/src/include/catalog/pg_index.h b/src/include/catalog/pg_index.h
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+/*-------------------------------------------------------------------------
+ *
+ * pg_index.h--
+ *    definition of the system "index" relation (pg_index)
+ *    along with the relation's initial contents.
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: pg_index.h,v 1.1 1996/08/28 01:56:49 scrappy Exp $
+ *
+ * NOTES
+ *    the genbki.sh script reads this file and generates .bki
+ *    information from the DATA() statements.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_INDEX_H
+#define PG_INDEX_H
+
+/* ----------------
+ *	postgres.h contains the system type definintions and the
+ *	CATALOG(), BOOTSTRAP and DATA() sugar words so this file
+ *	can be read by both genbki.sh and the C compiler.
+ * ----------------
+ */
+#include "postgres.h"
+
+/* ----------------
+ *	pg_index definition.  cpp turns this into
+ *	typedef struct FormData_pg_index.  The oid of the index relation
+ *	is stored in indexrelid; the oid of the indexed relation is stored
+ *	in indrelid.
+ * ----------------
+ */ 
+CATALOG(pg_index) {
+    Oid 	indexrelid;
+    Oid 	indrelid;
+    Oid		indproc; /* registered procedure for functional index */
+    int28 	indkey;
+    oid8 	indclass;
+    bool 	indisclustered;
+    bool 	indisarchived;
+    text	indpred;	/* query plan for partial index predicate */
+    bool	indislossy; /* do we fetch false tuples (lossy compression)? */
+    bool	indhaskeytype; /* does key type != attribute type? */
+} FormData_pg_index;
+
+#define INDEX_MAX_KEYS 8  /* maximum number of keys in an index definition */
+
+/* ----------------
+ *	Form_pg_index corresponds to a pointer to a tuple with
+ *	the format of pg_index relation.
+ * ----------------
+ */
+typedef FormData_pg_index	*IndexTupleForm;
+
+/* ----------------
+ *	compiler constants for pg_index
+ * ----------------
+ */
+#define Natts_pg_index			10
+#define Anum_pg_index_indexrelid	1
+#define Anum_pg_index_indrelid		2
+#define Anum_pg_index_indproc		3
+#define Anum_pg_index_indkey		4
+#define Anum_pg_index_indclass		5
+#define Anum_pg_index_indisclustered	6
+#define Anum_pg_index_indisarchived	7
+#define Anum_pg_index_indpred		8
+#define Anum_pg_index_indislossy	9
+#define Anum_pg_index_indhaskeytype	10
+
+
+#endif /* PG_INDEX_H */