pg_namespace.h

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/*-------------------------------------------------------------------------
 *
 * pg_namespace.h
 *    definition of the "namespace" system catalog (pg_namespace)
 *
 *
 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/catalog/pg_namespace.h
 *
 * NOTES
 *    The Catalog.pm module reads this file and derives schema
 *    information.
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_NAMESPACE_H
#define PG_NAMESPACE_H
 
#include "catalog/genbki.h"
#include "catalog/pg_namespace_d.h" /* IWYU pragma: export */
#include "utils/acl.h"
 
/* ----------------------------------------------------------------
 *      pg_namespace definition.
 *
 *      cpp turns this into typedef struct FormData_pg_namespace
 *
 *  nspname             name of the namespace
 *  nspowner            owner (creator) of the namespace
 *  nspacl              access privilege list
 * ----------------------------------------------------------------
 */
CATALOG(pg_namespace,2615,NamespaceRelationId)
{
    Oid         oid;            /* oid */
 
    NameData    nspname;
    Oid         nspowner BKI_DEFAULT(POSTGRES) BKI_LOOKUP(pg_authid);
 
#ifdef CATALOG_VARLEN           /* variable-length fields start here */
    aclitem     nspacl[1];
#endif
} FormData_pg_namespace;
 
/* ----------------
 *      Form_pg_namespace corresponds to a pointer to a tuple with
 *      the format of pg_namespace relation.
 * ----------------
 */
typedef FormData_pg_namespace *Form_pg_namespace;
 
DECLARE_TOAST(pg_namespace, 4163, 4164);
 
DECLARE_UNIQUE_INDEX(pg_namespace_nspname_index, 2684, NamespaceNameIndexId, pg_namespace, btree(nspname name_ops));
DECLARE_UNIQUE_INDEX_PKEY(pg_namespace_oid_index, 2685, NamespaceOidIndexId, pg_namespace, btree(oid oid_ops));
 
MAKE_SYSCACHE(NAMESPACENAME, pg_namespace_nspname_index, 4);
MAKE_SYSCACHE(NAMESPACEOID, pg_namespace_oid_index, 16);
 
/*
 * prototypes for functions in pg_namespace.c
 */
extern Oid  NamespaceCreate(const char *nspName, Oid ownerId, bool isTemp);
 
#endif                          /* PG_NAMESPACE_H */