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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) 1996-2012, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/catalog/pg_largeobject.h * * NOTES * the genbki.pl script reads this file and generates .bki * information from the DATA() statements. * *------------------------------------------------------------------------- */ #ifndef PG_LARGEOBJECT_H #define PG_LARGEOBJECT_H #include "catalog/genbki.h" /* ---------------- * 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) */ /* data has variable length, but we allow direct access; see inv_api.c */ 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 Oid LargeObjectCreate(Oid loid); extern void LargeObjectDrop(Oid loid); extern void LargeObjectAlterOwner(Oid loid, Oid newOwnerId); extern bool LargeObjectExists(Oid loid); #endif /* PG_LARGEOBJECT_H */