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/*-------------------------------------------------------------------------
*
* pg_largeobject.h
* definition of the "large object" system catalog (pg_largeobject)
*
*
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/pg_largeobject.h
*
* NOTES
* The Catalog.pm module reads this file and derives schema
* information.
*
*-------------------------------------------------------------------------
*/
#ifndef PG_LARGEOBJECT_H
#define PG_LARGEOBJECT_H
#include "catalog/genbki.h"
#include "catalog/pg_largeobject_d.h"
/* ----------------
* pg_largeobject definition. cpp turns this into
* typedef struct FormData_pg_largeobject
* ----------------
*/
CATALOG(pg_largeobject,2613,LargeObjectRelationId)
{
Oid loid; /* Identifier of large object */
int32 pageno; /* Page number (starting from 0) */
/* data has variable length, but we allow direct access; see inv_api.c */
bytea data BKI_FORCE_NOT_NULL; /* Data for page (may be
* zero-length) */
} FormData_pg_largeobject;
/* ----------------
* Form_pg_largeobject corresponds to a pointer to a tuple with
* the format of pg_largeobject relation.
* ----------------
*/
typedef FormData_pg_largeobject *Form_pg_largeobject;
extern Oid LargeObjectCreate(Oid loid);
extern void LargeObjectDrop(Oid loid);
extern bool LargeObjectExists(Oid loid);
#endif /* PG_LARGEOBJECT_H */
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