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