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/* -------------------------------------------------------------------------
*
* pg_subscription.h
* definition of the "subscription" system catalog (pg_subscription)
*
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/pg_subscription.h
*
* NOTES
* The Catalog.pm module reads this file and derives schema
* information.
*
* -------------------------------------------------------------------------
*/
#ifndef PG_SUBSCRIPTION_H
#define PG_SUBSCRIPTION_H
#include "catalog/genbki.h"
#include "catalog/pg_subscription_d.h"
#include "nodes/pg_list.h"
/* ----------------
* pg_subscription definition. cpp turns this into
* typedef struct FormData_pg_subscription
* ----------------
*/
/*
* Technically, the subscriptions live inside the database, so a shared catalog
* seems weird, but the replication launcher process needs to access all of
* them to be able to start the workers, so we have to put them in a shared,
* nailed catalog.
*
* NOTE: When adding a column, also update system_views.sql.
*/
CATALOG(pg_subscription,6100,SubscriptionRelationId) BKI_SHARED_RELATION BKI_ROWTYPE_OID(6101,SubscriptionRelation_Rowtype_Id) BKI_SCHEMA_MACRO
{
Oid oid; /* oid */
Oid subdbid; /* Database the subscription is in. */
NameData subname; /* Name of the subscription */
Oid subowner; /* Owner of the subscription */
bool subenabled; /* True if the subscription is enabled (the
* worker should be running) */
#ifdef CATALOG_VARLEN /* variable-length fields start here */
/* Connection string to the publisher */
text subconninfo BKI_FORCE_NOT_NULL;
/* Slot name on publisher */
NameData subslotname BKI_FORCE_NULL;
/* Synchronous commit setting for worker */
text subsynccommit BKI_FORCE_NOT_NULL;
/* List of publications subscribed to */
text subpublications[1] BKI_FORCE_NOT_NULL;
#endif
} FormData_pg_subscription;
typedef FormData_pg_subscription *Form_pg_subscription;
typedef struct Subscription
{
Oid oid; /* Oid of the subscription */
Oid dbid; /* Oid of the database which subscription is
* in */
char *name; /* Name of the subscription */
Oid owner; /* Oid of the subscription owner */
bool enabled; /* Indicates if the subscription is enabled */
char *conninfo; /* Connection string to the publisher */
char *slotname; /* Name of the replication slot */
char *synccommit; /* Synchronous commit setting for worker */
List *publications; /* List of publication names to subscribe to */
} Subscription;
extern Subscription *GetSubscription(Oid subid, bool missing_ok);
extern void FreeSubscription(Subscription *sub);
extern Oid get_subscription_oid(const char *subname, bool missing_ok);
extern char *get_subscription_name(Oid subid, bool missing_ok);
extern int CountDBSubscriptions(Oid dbid);
#endif /* PG_SUBSCRIPTION_H */
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