1/*-------------------------------------------------------------------------
2 *
3 * pg_am.h
4 * definition of the "access method" system catalog (pg_am)
5 *
6 *
7 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
9 *
10 * src/include/catalog/pg_am.h
11 *
12 * NOTES
13 * The Catalog.pm module reads this file and derives schema
14 * information.
15 *
16 *-------------------------------------------------------------------------
17 */
18#ifndef PG_AM_H
19#define PG_AM_H
20
21#include "catalog/genbki.h"
22#include "catalog/pg_am_d.h"
23
24/* ----------------
25 * pg_am definition. cpp turns this into
26 * typedef struct FormData_pg_am
27 * ----------------
28 */
29CATALOG(pg_am,2601,AccessMethodRelationId)
30{
31 Oid oid; /* oid */
32
33 /* access method name */
34 NameData amname;
35
36 /* handler function */
37 regproc amhandler BKI_LOOKUP(pg_proc);
38
39 /* see AMTYPE_xxx constants below */
40 char amtype;
41} FormData_pg_am;
42
43/* ----------------
44 * Form_pg_am corresponds to a pointer to a tuple with
45 * the format of pg_am relation.
46 * ----------------
47 */
48typedef FormData_pg_am *Form_pg_am;
49
50#ifdef EXPOSE_TO_CLIENT_CODE
51
52/*
53 * Allowed values for amtype
54 */
55#define AMTYPE_INDEX 'i' /* index access method */
56#define AMTYPE_TABLE 't' /* table access method */
57
58#endif /* EXPOSE_TO_CLIENT_CODE */
59
60#endif /* PG_AM_H */
61