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/*-------------------------------------------------------------------------
*
* ibit.h--
* POSTGRES index valid attribute bit map definitions.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: ibit.h,v 1.6 1997/09/08 02:34:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef IBIT_H
#define IBIT_H
#include <utils/memutils.h>
typedef struct IndexAttributeBitMapData
{
char bits[(MaxIndexAttributeNumber + MaxBitsPerByte - 1)
/ MaxBitsPerByte];
} 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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