1 /*-------------------------------------------------------------------------
4 * prototypes for various files in optimizer/plan
7 * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
10 * $PostgreSQL: pgsql/src/include/optimizer/planmain.h,v 1.86 2005/06/05 22:32:58 tgl Exp $
12 *-------------------------------------------------------------------------
17 #include "nodes/plannodes.h"
18 #include "nodes/relation.h"
21 * prototypes for plan/planmain.c
23 extern void query_planner(PlannerInfo *root, List *tlist,
24 double tuple_fraction,
25 Path **cheapest_path, Path **sorted_path);
28 * prototypes for plan/planagg.c
30 extern Plan *optimize_minmax_aggregates(PlannerInfo *root, List *tlist,
34 * prototypes for plan/createplan.c
36 extern Plan *create_plan(PlannerInfo *root, Path *best_path);
37 extern SubqueryScan *make_subqueryscan(List *qptlist, List *qpqual,
38 Index scanrelid, Plan *subplan);
39 extern Append *make_append(List *appendplans, bool isTarget, List *tlist);
40 extern Sort *make_sort_from_sortclauses(PlannerInfo *root, List *sortcls,
42 extern Sort *make_sort_from_groupcols(PlannerInfo *root, List *groupcls,
43 AttrNumber *grpColIdx, Plan *lefttree);
44 extern List *order_qual_clauses(PlannerInfo *root, List *clauses);
45 extern Agg *make_agg(PlannerInfo *root, List *tlist, List *qual,
46 AggStrategy aggstrategy,
47 int numGroupCols, AttrNumber *grpColIdx,
48 long numGroups, int numAggs,
50 extern Group *make_group(PlannerInfo *root, List *tlist, List *qual,
51 int numGroupCols, AttrNumber *grpColIdx,
54 extern Material *make_material(Plan *lefttree);
55 extern Plan *materialize_finished_plan(Plan *subplan);
56 extern Unique *make_unique(Plan *lefttree, List *distinctList);
57 extern Limit *make_limit(Plan *lefttree, Node *limitOffset, Node *limitCount);
58 extern SetOp *make_setop(SetOpCmd cmd, Plan *lefttree,
59 List *distinctList, AttrNumber flagColIdx);
60 extern Result *make_result(List *tlist, Node *resconstantqual, Plan *subplan);
61 extern bool is_projection_capable_plan(Plan *plan);
64 * prototypes for plan/initsplan.c
66 extern void add_base_rels_to_query(PlannerInfo *root, Node *jtnode);
67 extern void build_base_rel_tlists(PlannerInfo *root, List *final_tlist);
68 extern Relids distribute_quals_to_rels(PlannerInfo *root, Node *jtnode);
69 extern void process_implied_equality(PlannerInfo *root,
70 Node *item1, Node *item2,
71 Oid sortop1, Oid sortop2,
72 Relids item1_relids, Relids item2_relids,
76 * prototypes for plan/setrefs.c
78 extern Plan *set_plan_references(Plan *plan, List *rtable);
79 extern void fix_opfuncids(Node *node);
80 extern void set_opfuncid(OpExpr *opexpr);
82 #endif /* PLANMAIN_H */