mirror of https://github.com/postgres/postgres
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.0 KiB
72 lines
2.0 KiB
30 years ago
|
/*-------------------------------------------------------------------------
|
||
|
|
*
|
||
|
|
* pg_index.h--
|
||
|
|
* definition of the system "index" relation (pg_index)
|
||
|
|
* along with the relation's initial contents.
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Copyright (c) 1994, Regents of the University of California
|
||
|
|
*
|
||
|
|
* $Id: pg_index.h,v 1.1.1.1 1996/07/09 06:21:17 scrappy Exp $
|
||
|
|
*
|
||
|
|
* NOTES
|
||
|
|
* the genbki.sh script reads this file and generates .bki
|
||
|
|
* information from the DATA() statements.
|
||
|
|
*
|
||
|
|
*-------------------------------------------------------------------------
|
||
|
|
*/
|
||
|
|
#ifndef PG_INDEX_H
|
||
|
|
#define PG_INDEX_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.
|
||
|
|
* ----------------
|
||
|
|
*/
|
||
|
|
#include "postgres.h"
|
||
|
|
|
||
|
|
/* ----------------
|
||
|
|
* pg_index definition. cpp turns this into
|
||
|
|
* typedef struct FormData_pg_index. The oid of the index relation
|
||
|
|
* is stored in indexrelid; the oid of the indexed relation is stored
|
||
|
|
* in indrelid.
|
||
|
|
* ----------------
|
||
|
|
*/
|
||
|
|
CATALOG(pg_index) {
|
||
|
|
Oid indexrelid;
|
||
|
|
Oid indrelid;
|
||
|
|
Oid indproc; /* registered procedure for functional index */
|
||
|
|
int28 indkey;
|
||
|
|
oid8 indclass;
|
||
|
|
bool indisclustered;
|
||
|
|
bool indisarchived;
|
||
|
|
text indpred; /* query plan for partial index predicate */
|
||
|
|
} FormData_pg_index;
|
||
|
|
|
||
|
|
#define INDEX_MAX_KEYS 8 /* maximum number of keys in an index definition */
|
||
|
|
|
||
|
|
/* ----------------
|
||
|
|
* Form_pg_index corresponds to a pointer to a tuple with
|
||
|
|
* the format of pg_index relation.
|
||
|
|
* ----------------
|
||
|
|
*/
|
||
|
|
typedef FormData_pg_index *IndexTupleForm;
|
||
|
|
|
||
|
|
/* ----------------
|
||
|
|
* compiler constants for pg_index
|
||
|
|
* ----------------
|
||
|
|
*/
|
||
|
|
#define Natts_pg_index 8
|
||
|
|
#define Anum_pg_index_indexrelid 1
|
||
|
|
#define Anum_pg_index_indrelid 2
|
||
|
|
#define Anum_pg_index_indproc 3
|
||
|
|
#define Anum_pg_index_indkey 4
|
||
|
|
#define Anum_pg_index_indclass 5
|
||
|
|
#define Anum_pg_index_indisclustered 6
|
||
|
|
#define Anum_pg_index_indisarchived 7
|
||
|
|
#define Anum_pg_index_indpred 8
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* PG_INDEX_H */
|