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/*-------------------------------------------------------------------------
*
* planmain.h
* prototypes for various files in optimizer/plan
*
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: planmain.h,v 1.48 2000/11/12 00:37:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PLANMAIN_H
#define PLANMAIN_H
#include "nodes/plannodes.h"
#include "nodes/relation.h"
/*
* prototypes for plan/planmain.c
*/
extern Plan *query_planner(Query *root, List *tlist, double tuple_fraction);
/*
* prototypes for plan/createplan.c
*/
extern Plan *create_plan(Query *root, Path *best_path);
extern SubqueryScan *make_subqueryscan(List *qptlist, List *qpqual,
Index scanrelid, Plan *subplan);
extern Append *make_append(List *appendplans, bool isTarget, List *tlist);
extern Sort *make_sort(List *tlist, Plan *lefttree, int keycount);
extern Sort *make_sort_from_pathkeys(List *tlist, Plan *lefttree,
List *pathkeys);
extern Agg *make_agg(List *tlist, List *qual, Plan *lefttree);
extern Group *make_group(List *tlist, bool tuplePerGroup, int ngrp,
AttrNumber *grpColIdx, Plan *lefttree);
extern Material *make_material(List *tlist, Plan *lefttree);
extern Unique *make_unique(List *tlist, Plan *lefttree, List *distinctList);
extern Limit *make_limit(List *tlist, Plan *lefttree,
Node *limitOffset, Node *limitCount);
extern SetOp *make_setop(SetOpCmd cmd, List *tlist, Plan *lefttree,
List *distinctList, AttrNumber flagColIdx);
extern Result *make_result(List *tlist, Node *resconstantqual, Plan *subplan);
/*
* prototypes for plan/initsplan.c
*/
extern void build_base_rel_tlists(Query *root, List *tlist);
extern Relids distribute_quals_to_rels(Query *root, Node *jtnode);
extern List *add_missing_rels_to_query(Query *root, Node *jtnode);
extern void process_implied_equality(Query *root, Node *item1, Node *item2,
Oid sortop1, Oid sortop2);
/*
* prototypes for plan/setrefs.c
*/
extern void set_plan_references(Plan *plan);
extern List *join_references(List *clauses, List *outer_tlist,
List *inner_tlist, Index acceptable_rel);
extern void fix_opids(Node *node);
/*
* prep/prepkeyset.c
*/
extern bool _use_keyset_query_optimizer;
extern void transformKeySetQuery(Query *origNode);
#endif /* PLANMAIN_H */
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