1 /*-------------------------------------------------------------------------
4 * prototypes for various files in optimizer/plan
7 * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
10 * $Id: planmain.h,v 1.69 2003/03/10 03:53:52 tgl Exp $
12 *-------------------------------------------------------------------------
17 #include "nodes/plannodes.h"
18 #include "nodes/relation.h"
21 * prototypes for plan/planmain.c
23 extern void query_planner(Query *root, List *tlist, double tuple_fraction,
24 Path **cheapest_path, Path **sorted_path);
27 * prototypes for plan/createplan.c
29 extern Plan *create_plan(Query *root, Path *best_path);
30 extern SubqueryScan *make_subqueryscan(List *qptlist, List *qpqual,
31 Index scanrelid, Plan *subplan);
32 extern Append *make_append(List *appendplans, bool isTarget, List *tlist);
33 extern Sort *make_sort(Query *root, List *tlist,
34 Plan *lefttree, int keycount);
35 extern Sort *make_sort_from_sortclauses(Query *root, List *tlist,
36 Plan *lefttree, List *sortcls);
37 extern Agg *make_agg(Query *root, List *tlist, List *qual,
38 AggStrategy aggstrategy,
39 int numGroupCols, AttrNumber *grpColIdx,
40 long numGroups, int numAggs,
42 extern Group *make_group(Query *root, List *tlist,
43 int numGroupCols, AttrNumber *grpColIdx,
46 extern Material *make_material(List *tlist, Plan *lefttree);
47 extern Plan *materialize_finished_plan(Plan *subplan);
48 extern Unique *make_unique(List *tlist, Plan *lefttree, List *distinctList);
49 extern Limit *make_limit(List *tlist, Plan *lefttree,
50 Node *limitOffset, Node *limitCount);
51 extern SetOp *make_setop(SetOpCmd cmd, List *tlist, Plan *lefttree,
52 List *distinctList, AttrNumber flagColIdx);
53 extern Result *make_result(List *tlist, Node *resconstantqual, Plan *subplan);
56 * prototypes for plan/initsplan.c
58 extern void add_base_rels_to_query(Query *root, Node *jtnode);
59 extern void build_base_rel_tlists(Query *root, List *tlist);
60 extern Relids distribute_quals_to_rels(Query *root, Node *jtnode);
61 extern void process_implied_equality(Query *root,
62 Node *item1, Node *item2,
63 Oid sortop1, Oid sortop2,
64 Relids item1_relids, Relids item2_relids,
68 * prototypes for plan/setrefs.c
70 extern void set_plan_references(Plan *plan, List *rtable);
71 extern void fix_opfuncids(Node *node);
73 #endif /* PLANMAIN_H */