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/*-------------------------------------------------------------------------
*
* pg_am.h
* definition of the system "am" relation (pg_am)
* along with the relation's initial contents.
*
*
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_am.h,v 1.18 2001/07/15 22:48:18 tgl Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
* information from the DATA() statements.
*
* XXX do NOT break up DATA() statements into multiple lines!
* the scripts are not as smart as you might think...
*
*-------------------------------------------------------------------------
*/
#ifndef PG_AM_H
#define PG_AM_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_am definition. cpp turns this into
* typedef struct FormData_pg_am
* ----------------
*/
CATALOG(pg_am)
{
NameData amname; /* access method name */
int4 amowner; /* usesysid of creator */
int2 amstrategies; /* total NUMBER of strategies (operators) by
* which we can traverse/search this AM */
int2 amsupport; /* total NUMBER of support functions that
* this AM uses */
int2 amorderstrategy;/* if this AM has a sort order, the
* strategy number of the sort operator.
* Zero if AM is not ordered. */
bool amcanunique; /* does AM support UNIQUE indexes? */
bool amcanmulticol; /* does AM support multi-column indexes? */
bool amindexnulls; /* does AM support NULL index entries? */
bool amconcurrent; /* does AM support concurrent updates? */
regproc amgettuple; /* "next valid tuple" function */
regproc aminsert; /* "insert this tuple" function */
regproc ambeginscan; /* "start new scan" function */
regproc amrescan; /* "restart this scan" function */
regproc amendscan; /* "end this scan" function */
regproc ammarkpos; /* "mark current scan position" function */
regproc amrestrpos; /* "restore marked scan position" function */
regproc ambuild; /* "build new index" function */
regproc ambulkdelete; /* bulk-delete function */
regproc amcostestimate; /* estimate cost of an indexscan */
} FormData_pg_am;
/* ----------------
* Form_pg_am corresponds to a pointer to a tuple with
* the format of pg_am relation.
* ----------------
*/
typedef FormData_pg_am *Form_pg_am;
/* ----------------
* compiler constants for pg_am
* ----------------
*/
#define Natts_pg_am 19
#define Anum_pg_am_amname 1
#define Anum_pg_am_amowner 2
#define Anum_pg_am_amstrategies 3
#define Anum_pg_am_amsupport 4
#define Anum_pg_am_amorderstrategy 5
#define Anum_pg_am_amcanunique 6
#define Anum_pg_am_amcanmulticol 7
#define Anum_pg_am_amindexnulls 8
#define Anum_pg_am_amconcurrent 9
#define Anum_pg_am_amgettuple 10
#define Anum_pg_am_aminsert 11
#define Anum_pg_am_ambeginscan 12
#define Anum_pg_am_amrescan 13
#define Anum_pg_am_amendscan 14
#define Anum_pg_am_ammarkpos 15
#define Anum_pg_am_amrestrpos 16
#define Anum_pg_am_ambuild 17
#define Anum_pg_am_ambulkdelete 18
#define Anum_pg_am_amcostestimate 19
/* ----------------
* initial contents of pg_am
* ----------------
*/
DATA(insert OID = 402 ( rtree PGUID 8 3 0 f f f f rtgettuple rtinsert rtbeginscan rtrescan rtendscan rtmarkpos rtrestrpos rtbuild rtbulkdelete rtcostestimate ));
DESCR("r-tree index access method");
DATA(insert OID = 403 ( btree PGUID 5 1 1 t t t t btgettuple btinsert btbeginscan btrescan btendscan btmarkpos btrestrpos btbuild btbulkdelete btcostestimate ));
DESCR("b-tree index access method");
#define BTREE_AM_OID 403
DATA(insert OID = 405 ( hash PGUID 1 1 0 f f f t hashgettuple hashinsert hashbeginscan hashrescan hashendscan hashmarkpos hashrestrpos hashbuild hashbulkdelete hashcostestimate ));
DESCR("hash index access method");
DATA(insert OID = 783 ( gist PGUID 100 7 0 f t f f gistgettuple gistinsert gistbeginscan gistrescan gistendscan gistmarkpos gistrestrpos gistbuild gistbulkdelete gistcostestimate ));
DESCR("GiST index access method");
#endif /* PG_AM_H */
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