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30 lines
853 B
C
30 lines
853 B
C
/*-------------------------------------------------------------------------
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*
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* sysattr.h
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* POSTGRES system attribute definitions.
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*
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*
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* Portions Copyright (c) 1996-2020, 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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* src/include/access/sysattr.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef SYSATTR_H
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#define SYSATTR_H
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/*
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* Attribute numbers for the system-defined attributes
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*/
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#define SelfItemPointerAttributeNumber (-1)
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#define MinTransactionIdAttributeNumber (-2)
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#define MinCommandIdAttributeNumber (-3)
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#define MaxTransactionIdAttributeNumber (-4)
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#define MaxCommandIdAttributeNumber (-5)
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#define TableOidAttributeNumber (-6)
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#define FirstLowInvalidHeapAttributeNumber (-7)
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#endif /* SYSATTR_H */
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