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33 lines
906 B
C
33 lines
906 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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* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/access/ibit.h,v 1.21 2003/11/29 22:40:55 pgsql 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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typedef struct IndexAttributeBitMapData
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{
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bits8 bits[(INDEX_MAX_KEYS + 8 - 1) / 8];
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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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