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pg_am.h
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1 /*-------------------------------------------------------------------------
2  *
3  * pg_am.h
4  * definition of the "access method" system catalog (pg_am)
5  *
6  *
7  * Portions Copyright (c) 1996-2021, 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  */
29 CATALOG(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;
42 
43 /* ----------------
44  * Form_pg_am corresponds to a pointer to a tuple with
45  * the format of pg_am relation.
46  * ----------------
47  */
49 
50 DECLARE_UNIQUE_INDEX(pg_am_name_index, 2651, AmNameIndexId, on pg_am using btree(amname name_ops));
51 DECLARE_UNIQUE_INDEX_PKEY(pg_am_oid_index, 2652, AmOidIndexId, on pg_am using btree(oid oid_ops));
52 
53 #ifdef EXPOSE_TO_CLIENT_CODE
54 
55 /*
56  * Allowed values for amtype
57  */
58 #define AMTYPE_INDEX 'i' /* index access method */
59 #define AMTYPE_TABLE 't' /* table access method */
60 
61 #endif /* EXPOSE_TO_CLIENT_CODE */
62 
63 #endif /* PG_AM_H */
DECLARE_UNIQUE_INDEX_PKEY(pg_am_oid_index, 2652, AmOidIndexId, on pg_am using btree(oid oid_ops))
DECLARE_UNIQUE_INDEX(pg_am_name_index, 2651, AmNameIndexId, on pg_am using btree(amname name_ops))
unsigned int Oid
Definition: postgres_ext.h:31
Definition: c.h:675
#define BKI_LOOKUP(catalog)
Definition: genbki.h:46
FormData_pg_am
Definition: pg_am.h:41
Oid regproc
Definition: c.h:584
FormData_pg_am * Form_pg_am
Definition: pg_am.h:48
CATALOG(pg_am, 2601, AccessMethodRelationId)
Definition: pg_am.h:29