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postgresql/src/include/access/sysattr.h

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Restructure some header files a bit, in particular heapam.h, by removing some unnecessary #include lines in it. Also, move some tuple routine prototypes and macros to htup.h, which allows removal of heapam.h inclusion from some .c files. For this to work, a new header file access/sysattr.h needed to be created, initially containing attribute numbers of system columns, for pg_dump usage. While at it, make contrib ltree, intarray and hstore header files more consistent with our header style.
2008-05-12 02:00:54 +02:00
/*-------------------------------------------------------------------------
*
* sysattr.h
* POSTGRES system attribute definitions.
*
*
Update copyright for the year 2010.
2010-01-02 17:58:17 +01:00
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
Restructure some header files a bit, in particular heapam.h, by removing some unnecessary #include lines in it. Also, move some tuple routine prototypes and macros to htup.h, which allows removal of heapam.h inclusion from some .c files. For this to work, a new header file access/sysattr.h needed to be created, initially containing attribute numbers of system columns, for pg_dump usage. While at it, make contrib ltree, intarray and hstore header files more consistent with our header style.
2008-05-12 02:00:54 +02:00
* Portions Copyright (c) 1994, Regents of the University of California
*
Update copyright for the year 2010.
2010-01-02 17:58:17 +01:00
* $PostgreSQL: pgsql/src/include/access/sysattr.h,v 1.3 2010/01/02 16:58:00 momjian Exp $
Restructure some header files a bit, in particular heapam.h, by removing some unnecessary #include lines in it. Also, move some tuple routine prototypes and macros to htup.h, which allows removal of heapam.h inclusion from some .c files. For this to work, a new header file access/sysattr.h needed to be created, initially containing attribute numbers of system columns, for pg_dump usage. While at it, make contrib ltree, intarray and hstore header files more consistent with our header style.
2008-05-12 02:00:54 +02:00
*
*-------------------------------------------------------------------------
*/
#ifndef SYSATTR_H
#define SYSATTR_H
/*
* Attribute numbers for the system-defined attributes
*/
#define SelfItemPointerAttributeNumber (-1)
#define ObjectIdAttributeNumber (-2)
#define MinTransactionIdAttributeNumber (-3)
#define MinCommandIdAttributeNumber (-4)
#define MaxTransactionIdAttributeNumber (-5)
#define MaxCommandIdAttributeNumber (-6)
#define TableOidAttributeNumber (-7)
#define FirstLowInvalidHeapAttributeNumber (-8)
#endif /* SYSATTR_H */