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sysattr.h
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1/*-------------------------------------------------------------------------
2 *
3 * sysattr.h
4 * POSTGRES system attribute definitions.
5 *
6 *
7 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
9 *
10 * src/include/access/sysattr.h
11 *
12 *-------------------------------------------------------------------------
13 */
14#ifndef SYSATTR_H
15#define SYSATTR_H
16
17
18/*
19 * Attribute numbers for the system-defined attributes
20 */
21#define SelfItemPointerAttributeNumber (-1)
22#define MinTransactionIdAttributeNumber (-2)
23#define MinCommandIdAttributeNumber (-3)
24#define MaxTransactionIdAttributeNumber (-4)
25#define MaxCommandIdAttributeNumber (-5)
26#define TableOidAttributeNumber (-6)
27#define FirstLowInvalidHeapAttributeNumber (-7)
28
29#endif /* SYSATTR_H */