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/*-------------------------------------------------------------------------
*
* pg_version.h
* definition of the system "version" relation (pg_version)
* along with the relation's initial contents.
*
* NOTE: this table has nothing to do with the overall Postgres system
* version or anything like that. It is for defining individual relations
* that have multiple concurrently-existing versions. Yes, there used to
* be such a feature in Postgres, but it's been broken for a long time
* (see src/backend/commands/_deadcode/version.c). The pg_version table
* isn't even created at present.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_version.h,v 1.9 1999/10/24 19:22:37 tgl Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
* information from the DATA() statements.
*
*-------------------------------------------------------------------------
*/
#ifndef PG_VERSION_H
#define PG_VERSION_H
/* ----------------
* postgres.h contains the system type definintions and the
* CATALOG(), BOOTSTRAP and DATA() sugar words so this file
* can be read by both genbki.sh and the C compiler.
* ----------------
*/
/* ----------------
* pg_version definition. cpp turns this into
* typedef struct FormData_pg_version
* ----------------
*/
CATALOG(pg_version)
{
Oid verrelid;
Oid verbaseid;
int4 vertime; /* really should be some abstime */
} FormData_pg_version;
/* ----------------
* Form_pg_version corresponds to a pointer to a tuple with
* the format of pg_version relation.
* ----------------
*/
typedef FormData_pg_version *Form_pg_version;
/* ----------------
* compiler constants for pg_version
* ----------------
*/
#define Natts_pg_version 3
#define Anum_pg_version_verrelid 1
#define Anum_pg_version_verbaseid 2
#define Anum_pg_version_vertime 3
#endif /* PG_VERSION_H */
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