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Diffstat (limited to 'src/include/access/sysattr.h')
| -rw-r--r-- | src/include/access/sysattr.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/include/access/sysattr.h b/src/include/access/sysattr.h new file mode 100644 index 0000000..734976d --- /dev/null +++ b/src/include/access/sysattr.h @@ -0,0 +1,29 @@ +/*------------------------------------------------------------------------- + * + * sysattr.h + * POSTGRES system attribute definitions. + * + * + * Portions Copyright (c) 1996-2020, 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 MinTransactionIdAttributeNumber (-2) +#define MinCommandIdAttributeNumber (-3) +#define MaxTransactionIdAttributeNumber (-4) +#define MaxCommandIdAttributeNumber (-5) +#define TableOidAttributeNumber (-6) +#define FirstLowInvalidHeapAttributeNumber (-7) + +#endif /* SYSATTR_H */ |