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/*-------------------------------------------------------------------------
*
* pg_largeobject.h
* definition of the system "largeobject" relation (pg_largeobject)
* along with the relation's initial contents.
*
*
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/catalog/pg_largeobject.h,v 1.22 2008/01/01 19:45:56 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
* information from the DATA() statements.
*
*-------------------------------------------------------------------------
*/
#ifndef PG_LARGEOBJECT_H
#define PG_LARGEOBJECT_H
/* ----------------
* postgres.h contains the system type definitions and the
* CATALOG(), BKI_BOOTSTRAP and DATA() sugar words so this file
* can be read by both genbki.sh and the C compiler.
* ----------------
*/
/* ----------------
* pg_largeobject definition. cpp turns this into
* typedef struct FormData_pg_largeobject
* ----------------
*/
#define LargeObjectRelationId 2613
CATALOG(pg_largeobject,2613) BKI_WITHOUT_OIDS
{
Oid loid; /* Identifier of large object */
int4 pageno; /* Page number (starting from 0) */
bytea data; /* 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;
/* ----------------
* compiler constants for pg_largeobject
* ----------------
*/
#define Natts_pg_largeobject 3
#define Anum_pg_largeobject_loid 1
#define Anum_pg_largeobject_pageno 2
#define Anum_pg_largeobject_data 3
extern void LargeObjectCreate(Oid loid);
extern void LargeObjectDrop(Oid loid);
extern bool LargeObjectExists(Oid loid);
#endif /* PG_LARGEOBJECT_H */
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