blob: 69b4c9fb38d30eaae92bd1c3302931bcf414b05b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/*-------------------------------------------------------------------------
*
* ibit.h--
* POSTGRES index valid attribute bit map definitions.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: ibit.h,v 1.2 1996/10/19 04:09:32 scrappy 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 */
|
