/*-------------------------------------------------------------------------
 *
 * planmain.h--
 *	  prototypes for various files in optimizer/plan
 *
 *
 * Copyright (c) 1994, Regents of the University of California
 *
 * $Id: planmain.h,v 1.3 1997/09/08 02:37:55 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef PLANMAIN_H
#define PLANMAIN_H


/*
 * prototypes for plan/planmain.c
 */
extern Plan *
query_planner(Query * root,
			  int command_type, List * tlist, List * qual);


/*
 * prototypes for plan/createplan.c
 */
extern Plan *create_plan(Path * best_path);
extern SeqScan *
make_seqscan(List * qptlist, List * qpqual, Index scanrelid,
			 Plan * lefttree);
extern Sort *
make_sort(List * tlist, Oid tempid, Plan * lefttree,
		  int keycount);
extern Agg *make_agg(List * tlist, int nagg, Aggreg ** aggs);
extern Group *
make_group(List * tlist, bool tuplePerGroup, int ngrp,
		   AttrNumber * grpColIdx, Sort * lefttree);
extern Unique *make_unique(List * tlist, Plan * lefttree, char *uniqueAttr);
extern List *generate_fjoin(List * tlist);


/*
 * prototypes for plan/initsplan.c
 */
extern void initialize_base_rels_list(Query * root, List * tlist);
extern void initialize_base_rels_jinfo(Query * root, List * clauses);
extern void initialize_join_clause_info(List * rel_list);
extern void add_missing_vars_to_base_rels(Query * root, List * tlist);

/*
 * prototypes for plan/setrefs.c
 */
extern void set_tlist_references(Plan * plan);
extern List *
join_references(List * clauses, List * outer_tlist,
				List * inner_tlist);
extern List *
index_outerjoin_references(List * inner_indxqual,
						   List * outer_tlist, Index inner_relid);
extern void set_result_tlist_references(Result * resultNode);
extern void set_agg_tlist_references(Agg * aggNode);
extern void set_agg_agglist_references(Agg * aggNode);


#endif							/* PLANMAIN_H */