文件操作 - sysattr.h
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文件: /usr/include/pgsql/server/access/sysattr.h
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/*------------------------------------------------------------------------- * * sysattr.h * POSTGRES system attribute definitions. * * * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/access/sysattr.h * *------------------------------------------------------------------------- */ #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 */
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