src/include/catalog/pg_namespace.h

/*-------------------------------------------------------------------------
 *
 * pg_namespace.h
 *	  definition of the system "namespace" relation (pg_namespace)
 *	  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_namespace.h,v 1.20 2006/03/05 15:58:54 momjian Exp $
 *
 * NOTES
 *	  the genbki.sh script reads this file and generates .bki
 *	  information from the DATA() statements.
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_NAMESPACE_H
#define PG_NAMESPACE_H

#include "catalog/genbki.h"
#include "nodes/pg_list.h"
#include "utils/relcache.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
 *	nspdboid			oid of the database
 * ----------------------------------------------------------------
 */
/* TIDYCAT_BEGINDEF

   CREATE TABLE pg_namespace
   with (relid=2615)
   (
   nspname   name      ,
   nspowner  oid       ,
   nspacl    aclitem[],  -- VARIABLE LENGTH FIELD
   nspdboid     oid
   );

   create unique index on pg_namespace(nspname, nspdboid) with (indexid=2684, syscacheid=NAMESPACENAME, syscache_nbuckets=256);
   create unique index on pg_namespace(oid) with (indexid=2685, syscacheid=NAMESPACEOID, syscache_nbuckets=256);

   alter table pg_namespace add fk nspowner on pg_authid(oid);

   TIDYCAT_ENDDEF
*/

/* TIDYCAT_BEGIN_CODEGEN 

   WARNING: DO NOT MODIFY THE FOLLOWING SECTION: 
   Generated by tidycat.pl version 16.
   on Fri Nov  5 17:39:45 2010
*/


/*
 TidyCat Comments for pg_namespace:
  Table has an Oid column.
  Table does not have static type (only legal for pre-3.3 tables). 

*/

/* ----------------
 *		pg_namespace definition.  cpp turns this into
 *		typedef struct FormData_pg_namespace
 * ----------------
 */
#define NamespaceRelationId	2615

CATALOG(pg_namespace,2615)
{
	NameData nspname;
	Oid      nspowner; 
	aclitem  nspacl[1];  /* VARIABLE LENGTH FIELD */
	Oid      nspdboid;
} 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;


/* ----------------
 *		compiler constants for pg_namespace
 * ----------------
 */
#define Natts_pg_namespace          5
#define Anum_pg_namespace_nspname   1
#define Anum_pg_namespace_nspowner  2
#define Anum_pg_namespace_nspacl    3
#define Anum_pg_namespace_nspdboid  4
#define Anum_pg_namespace_oid       -2


/* TIDYCAT_END_CODEGEN */

/*
 * gp_exttable values for FormData_pg_attribute.
 *
 * [Similar examples are Schema_pg_type, Schema_pg_proc, Schema_pg_attribute, etc, in
 *  pg_attribute.h]
 */
#define Schema_pg_namespace \
{ NamespaceRelationId, {"nspname"},		 							19, -1,	64, 1, 0, -1, -1, false, 'p', 'i', true, false, false, true, 0 }, \
{ NamespaceRelationId, {"nspowner"},									26, -1, 4, 2, 0, -1, -1, true, 'p', 'i', true, false, false, true, 0 }, \
{ NamespaceRelationId, {"nspacl"},									1034, -1, -1, 3, 1, -1, -1, false, 'x', 'i', false, false, false, true, 0 }, \
{ NamespaceRelationId, {"nspdboid"},									26, -1, 4, 4, 0, -1, -1, true, 'p', 'i', false, false, false, true, 0 }, \
{ NamespaceRelationId, {"oid"},										26, 0, 4, -2, 0, -1, -1, true, 'p', 'i', false, false, false, true, 0 }

/*
 * pg_namespace table values for FormData_pg_namespace.
 */
#define Class_pg_namespace \
  {"pg_namespace"}, PG_CATALOG_NAMESPACE, 10276, BOOTSTRAP_SUPERUSERID, 0, \
               NamespaceRelationId, DEFAULTTABLESPACE_OID, \
               25, 10000, 0, 0, 0, 0, true, false, RELKIND_RELATION, RELSTORAGE_HEAP, Natts_pg_namespace, \
               0, 0, 0, 0, 0, true, false, false, false, FirstNormalTransactionId, {0}, {{{'\0','\0','\0','\0'},{'\0'}}}

/*
 * Descriptor of a single AO relation.
 * For now very similar to the catalog row itself but may change in time.
 */
typedef struct NameSpaceEntry
{
	char*	nspname;
	Oid		nspowner;
	List*	nspacl;
	Oid		nspdboid;
} NameSpaceEntry;

/* ----------------
 * initial contents of pg_namespace
 * ---------------
 */

DATA(insert OID = 11 ( "pg_catalog" PGUID _null_ 0));
DESCR("System catalog schema");
#define PG_CATALOG_NAMESPACE 11
DATA(insert OID = 99 ( "pg_toast" PGUID _null_ 0));
DESCR("Reserved schema for TOAST tables");
#define PG_TOAST_NAMESPACE 99
DATA(insert OID = 3012  ( "pg_bitmapindex" PGUID _null_ 0));
DESCR("Reserved schema for internal relations of bitmap indexes");
#define PG_BITMAPINDEX_NAMESPACE 3012
DATA(insert OID = 2200 ( "public" PGUID _null_ 0));
DESCR("Standard public schema");
#define PG_PUBLIC_NAMESPACE 2200
DATA(insert OID = 6104 ( "pg_aoseg" PGUID _null_ 0));
DESCR("Reserved schema for Append Only segment list and eof tables");
#define PG_AOSEGMENT_NAMESPACE 6104

#define IsBuiltInNameSpace(namespaceId) \
	(namespaceId == PG_CATALOG_NAMESPACE || \
	 namespaceId == PG_TOAST_NAMESPACE || \
	 namespaceId == PG_BITMAPINDEX_NAMESPACE || \
	 namespaceId == PG_PUBLIC_NAMESPACE || \
	 namespaceId == PG_AOSEGMENT_NAMESPACE)


#define NSPDBOID_CURRENT 0
/*
 * prototypes for functions in pg_namespace.c
 */
extern Oid NamespaceCreate(const char *nspName, Oid ownerId, Oid forceOid);

extern NameSpaceEntry *
GetNameSpaceEntryFromTuple(
	Relation		pg_namespace_rel,
	TupleDesc	pg_namespace_dsc,
	HeapTuple	tuple,
	Oid			*relationId);

#endif   /* PG_NAMESPACE_H */