/*-------------------------------------------------------------------------
 *
 * heap.h
 *	  prototypes for functions in backend/catalog/heap.c
 *
 *
 * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * $Id: heap.h,v 1.46 2002/03/20 19:44:52 tgl Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef HEAP_H
#define HEAP_H

#include "catalog/pg_attribute.h"
#include "nodes/parsenodes.h"
#include "parser/parse_node.h"
#include "utils/rel.h"

typedef struct RawColumnDefault
{
	AttrNumber	attnum;			/* attribute to attach default to */
	Node	   *raw_default;	/* default value (untransformed parse
								 * tree) */
} RawColumnDefault;

extern Oid	RelnameFindRelid(const char *relname);

extern Relation heap_create(char *relname, TupleDesc tupDesc,
			bool istemp, bool storage_create,
			bool allow_system_table_mods);

extern void heap_storage_create(Relation rel);

extern Oid heap_create_with_catalog(char *relname, TupleDesc tupdesc,
						 char relkind, bool relhasoids, bool istemp,
						 bool allow_system_table_mods);

extern void heap_drop_with_catalog(const char *relname,
					   bool allow_system_table_mods);

extern void heap_truncate(const char *relname);

extern void AddRelationRawConstraints(Relation rel,
						  List *rawColDefaults,
						  List *rawConstraints);

extern Node *cookDefault(ParseState *pstate,
						 Node *raw_default,
						 Oid atttypid,
						 int32 atttypmod,
						 char *attname);

extern int	RemoveCheckConstraint(Relation rel, const char *constrName, bool inh);

extern Form_pg_attribute SystemAttributeDefinition(AttrNumber attno,
						  bool relhasoids);

extern Form_pg_attribute SystemAttributeByName(const char *attname,
					  bool relhasoids);

#endif   /* HEAP_H */
