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/*-------------------------------------------------------------------------
*
* ibit.h
* POSTGRES index valid attribute bit map definitions.
*
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: ibit.h,v 1.13 2000/04/12 17:16:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef IBIT_H
#define IBIT_H
#include "catalog/pg_index.h"
typedef struct IndexAttributeBitMapData
{
bits8 bits[(INDEX_MAX_KEYS + 8 - 1) / 8];
} IndexAttributeBitMapData;
typedef IndexAttributeBitMapData *IndexAttributeBitMap;
#define IndexAttributeBitMapSize sizeof(IndexAttributeBitMapData)
/*
* IndexAttributeBitMapIsValid
* True iff attribute bit map is valid.
*/
#define IndexAttributeBitMapIsValid(bits) PointerIsValid(bits)
#endif /* IBIT_H */
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