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/*-------------------------------------------------------------------------
*
* pg_am.h
* definition of the "access method" system catalog (pg_am)
*
*
* Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/pg_am.h
*
* NOTES
* The Catalog.pm module reads this file and derives schema
* information.
*
*-------------------------------------------------------------------------
*/
#ifndef PG_AM_H
#define PG_AM_H
#include "catalog/genbki.h"
#include "catalog/pg_am_d.h"
/* ----------------
* pg_am definition. cpp turns this into
* typedef struct FormData_pg_am
* ----------------
*/
CATALOG(pg_am,2601,AccessMethodRelationId)
{
Oid oid; /* oid */
/* access method name */
NameData amname;
/* handler function */
regproc amhandler BKI_LOOKUP(pg_proc);
/* see AMTYPE_xxx constants below */
char amtype;
} 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;
DECLARE_UNIQUE_INDEX(pg_am_name_index, 2651, AmNameIndexId, on pg_am using btree(amname name_ops));
DECLARE_UNIQUE_INDEX_PKEY(pg_am_oid_index, 2652, AmOidIndexId, on pg_am using btree(oid oid_ops));
#ifdef EXPOSE_TO_CLIENT_CODE
/*
* Allowed values for amtype
*/
#define AMTYPE_INDEX 'i' /* index access method */
#define AMTYPE_TABLE 't' /* table access method */
#endif /* EXPOSE_TO_CLIENT_CODE */
#endif /* PG_AM_H */
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