PostgreSQL Source Code  git master
pg_replication_origin.h
Go to the documentation of this file.
1 /*-------------------------------------------------------------------------
2  *
3  * pg_replication_origin.h
4  * definition of the "replication origin" system catalog
5  * (pg_replication_origin)
6  *
7  * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * src/include/catalog/pg_replication_origin.h
11  *
12  * NOTES
13  * The Catalog.pm module reads this file and derives schema
14  * information.
15  *
16  *-------------------------------------------------------------------------
17  */
18 #ifndef PG_REPLICATION_ORIGIN_H
19 #define PG_REPLICATION_ORIGIN_H
20 
21 #include "access/xlogdefs.h"
22 #include "catalog/genbki.h"
23 #include "catalog/pg_replication_origin_d.h"
24 
25 /* ----------------
26  * pg_replication_origin. cpp turns this into
27  * typedef struct FormData_pg_replication_origin
28  * ----------------
29  */
30 CATALOG(pg_replication_origin,6000,ReplicationOriginRelationId) BKI_SHARED_RELATION
31 {
32  /*
33  * Locally known id that get included into WAL.
34  *
35  * This should never leave the system.
36  *
37  * Needs to fit into an uint16, so we don't waste too much space in WAL
38  * records. For this reason we don't use a normal Oid column here, since
39  * we need to handle allocation of new values manually.
40  */
41  Oid roident;
42 
43  /*
44  * Variable-length fields start here, but we allow direct access to
45  * roname.
46  */
47 
48  /* external, free-format, name */
49  text roname BKI_FORCE_NOT_NULL;
50 
51 #ifdef CATALOG_VARLEN /* further variable-length fields */
52 #endif
54 
56 
57 #endif /* PG_REPLICATION_ORIGIN_H */
FormData_pg_replication_origin
#define BKI_SHARED_RELATION
Definition: genbki.h:27
unsigned int Oid
Definition: postgres_ext.h:31
#define BKI_FORCE_NOT_NULL
Definition: genbki.h:33
FormData_pg_replication_origin * Form_pg_replication_origin
CATALOG(pg_replication_origin, 6000, ReplicationOriginRelationId) BKI_SHARED_RELATION
Definition: c.h:555