pg_replication_origin.h

Go to the documentation of this file.

/*-------------------------------------------------------------------------
 *
 * pg_replication_origin.h
 *    Persistent replication origin registry
 *
 * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/catalog/pg_replication_origin.h
 *
 * NOTES
 *    the genbki.pl script reads this file and generates .bki
 *    information from the DATA() statements.
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_REPLICATION_ORIGIN_H
#define PG_REPLICATION_ORIGIN_H

#include "catalog/genbki.h"
#include "access/xlogdefs.h"

/* ----------------
 *      pg_replication_origin.  cpp turns this into
 *      typedef struct FormData_pg_replication_origin
 * ----------------
 */
#define ReplicationOriginRelationId 6000

CATALOG(pg_replication_origin,6000) BKI_SHARED_RELATION BKI_WITHOUT_OIDS
{
    /*
     * Locally known id that get included into WAL.
     *
     * This should never leave the system.
     *
     * Needs to fit into an uint16, so we don't waste too much space in WAL
     * records. For this reason we don't use a normal Oid column here, since
     * we need to handle allocation of new values manually.
     */
    Oid         roident;

    /*
     * Variable-length fields start here, but we allow direct access to
     * roname.
     */

    /* external, free-format, name */
    text        roname BKI_FORCE_NOT_NULL;

#ifdef CATALOG_VARLEN           /* further variable-length fields */
#endif
} FormData_pg_replication_origin;

typedef FormData_pg_replication_origin *Form_pg_replication_origin;

/* ----------------
 *      compiler constants for pg_replication_origin
 * ----------------
 */
#define Natts_pg_replication_origin                 2
#define Anum_pg_replication_origin_roident          1
#define Anum_pg_replication_origin_roname           2

/* ----------------
 *      pg_replication_origin has no initial contents
 * ----------------
 */

#endif                          /* PG_REPLICATION_ORIGIN_H */