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/*-------------------------------------------------------------------------
*
* pg_index.h
* definition of the system "index" relation (pg_index)
* along with the relation's initial contents.
*
*
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/catalog/pg_index.h,v 1.42 2007/01/05 22:19:52 momjian 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 definitions and the
* CATALOG(), BKI_BOOTSTRAP and DATA() sugar words so this file
* can be read by both genbki.sh and the C compiler.
* ----------------
*/
/* ----------------
* pg_index definition. cpp turns this into
* typedef struct FormData_pg_index.
* ----------------
*/
#define IndexRelationId 2610
CATALOG(pg_index,2610) BKI_WITHOUT_OIDS
{
Oid indexrelid; /* OID of the index */
Oid indrelid; /* OID of the relation it indexes */
int2 indnatts; /* number of columns in index */
bool indisunique; /* is this a unique index? */
bool indisprimary; /* is this index for primary key? */
bool indisclustered; /* is this the index last clustered by? */
bool indisvalid; /* is this index valid for use by queries? */
/* VARIABLE LENGTH FIELDS: */
int2vector indkey; /* column numbers of indexed cols, or 0 */
oidvector indclass; /* opclass identifiers */
text indexprs; /* expression trees for index attributes that
* are not simple column references; one for
* each zero entry in indkey[] */
text indpred; /* expression tree for predicate, if a partial
* index; else NULL */
} FormData_pg_index;
/* ----------------
* Form_pg_index corresponds to a pointer to a tuple with
* the format of pg_index relation.
* ----------------
*/
typedef FormData_pg_index *Form_pg_index;
/* ----------------
* compiler constants for pg_index
* ----------------
*/
#define Natts_pg_index 11
#define Anum_pg_index_indexrelid 1
#define Anum_pg_index_indrelid 2
#define Anum_pg_index_indnatts 3
#define Anum_pg_index_indisunique 4
#define Anum_pg_index_indisprimary 5
#define Anum_pg_index_indisclustered 6
#define Anum_pg_index_indisvalid 7
#define Anum_pg_index_indkey 8
#define Anum_pg_index_indclass 9
#define Anum_pg_index_indexprs 10
#define Anum_pg_index_indpred 11
#endif /* PG_INDEX_H */
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