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35 lines
873 B
C
35 lines
873 B
C
/*-------------------------------------------------------------------------
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*
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* ibit.h--
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* POSTGRES index valid attribute bit map definitions.
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: ibit.h,v 1.7 1997/09/08 21:50:47 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef IBIT_H
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#define IBIT_H
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#include <utils/memutils.h>
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typedef struct IndexAttributeBitMapData
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{
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char bits[(MaxIndexAttributeNumber + MaxBitsPerByte - 1)
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/ MaxBitsPerByte];
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} IndexAttributeBitMapData;
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typedef IndexAttributeBitMapData *IndexAttributeBitMap;
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#define IndexAttributeBitMapSize sizeof(IndexAttributeBitMapData)
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/*
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* IndexAttributeBitMapIsValid --
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* True iff attribute bit map is valid.
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*/
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#define IndexAttributeBitMapIsValid(bits) PointerIsValid(bits)
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#endif /* IBIT_H */
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