Quelle  pg_largeobject_metadata.h

/*-------------------------------------------------------------------------
 *
 * pg_largeobject_metadata.h
 *   definition of the "large object metadata" system catalog
 *   (pg_largeobject_metadata)
 *
 *
 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/catalog/pg_largeobject_metadata.h
 *
 * NOTES
 *   The Catalog.pm module reads this file and derives schema
 *   information.
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_LARGEOBJECT_METADATA_H
#define PG_LARGEOBJECT_METADATA_H

#include "catalog/genbki.h"
#include "catalog/pg_largeobject_metadata_d.h" /* IWYU pragma: export */

/* ----------------
 *  pg_largeobject_metadata definition. cpp turns this into
 *  typedef struct FormData_pg_largeobject_metadata
 * ----------------
 */
CATALOG(pg_largeobject_metadata,2995,LargeObjectMetadataRelationId)
{
 Oid   oid;   /* oid */

 Oid   lomowner BKI_LOOKUP(pg_authid); /* OID of the largeobject
 * owner */

#ifdef CATALOG_VARLEN   /* variable-length fields start here */
 aclitem  lomacl[1];  /* access permissions */
#endif
} FormData_pg_largeobject_metadata;

/* ----------------
 *  Form_pg_largeobject_metadata corresponds to a pointer to a tuple
 *  with the format of pg_largeobject_metadata relation.
 * ----------------
 */
typedef FormData_pg_largeobject_metadata *Form_pg_largeobject_metadata;

DECLARE_UNIQUE_INDEX_PKEY(pg_largeobject_metadata_oid_index, 2996, LargeObjectMetadataOidIndexId, pg_largeobject_metadata, btree(oid oid_ops));

#endif       /* PG_LARGEOBJECT_METADATA_H */