1 /*-------------------------------------------------------------------------
4 * prototypes for various files in optimizer/plan
7 * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
10 * $PostgreSQL: pgsql/src/include/optimizer/planmain.h,v 1.103 2007/10/11 18:05:27 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, double limit_tuples,
25 Path **cheapest_path, Path **sorted_path,
29 * prototypes for plan/planagg.c
31 extern Plan *optimize_minmax_aggregates(PlannerInfo *root, List *tlist,
35 * prototypes for plan/createplan.c
37 extern Plan *create_plan(PlannerInfo *root, Path *best_path);
38 extern SubqueryScan *make_subqueryscan(List *qptlist, List *qpqual,
39 Index scanrelid, Plan *subplan, List *subrtable);
40 extern Append *make_append(List *appendplans, bool isTarget, List *tlist);
41 extern Sort *make_sort_from_pathkeys(PlannerInfo *root, Plan *lefttree,
42 List *pathkeys, double limit_tuples);
43 extern Sort *make_sort_from_sortclauses(PlannerInfo *root, List *sortcls,
45 extern Sort *make_sort_from_groupcols(PlannerInfo *root, List *groupcls,
46 AttrNumber *grpColIdx, Plan *lefttree);
47 extern Agg *make_agg(PlannerInfo *root, List *tlist, List *qual,
48 AggStrategy aggstrategy,
49 int numGroupCols, AttrNumber *grpColIdx, Oid *grpOperators,
50 long numGroups, int numAggs,
52 extern Group *make_group(PlannerInfo *root, List *tlist, List *qual,
53 int numGroupCols, AttrNumber *grpColIdx, Oid *grpOperators,
56 extern Material *make_material(Plan *lefttree);
57 extern Plan *materialize_finished_plan(Plan *subplan);
58 extern Unique *make_unique(Plan *lefttree, List *distinctList);
59 extern Limit *make_limit(Plan *lefttree, Node *limitOffset, Node *limitCount,
60 int64 offset_est, int64 count_est);
61 extern SetOp *make_setop(SetOpCmd cmd, Plan *lefttree,
62 List *distinctList, AttrNumber flagColIdx);
63 extern Result *make_result(PlannerInfo *root, List *tlist,
64 Node *resconstantqual, Plan *subplan);
65 extern bool is_projection_capable_plan(Plan *plan);
68 * prototypes for plan/initsplan.c
70 extern int from_collapse_limit;
71 extern int join_collapse_limit;
73 extern void add_base_rels_to_query(PlannerInfo *root, Node *jtnode);
74 extern void build_base_rel_tlists(PlannerInfo *root, List *final_tlist);
75 extern void add_IN_vars_to_tlists(PlannerInfo *root);
76 extern void add_vars_to_targetlist(PlannerInfo *root, List *vars,
78 extern List *deconstruct_jointree(PlannerInfo *root);
79 extern void distribute_restrictinfo_to_rels(PlannerInfo *root,
80 RestrictInfo *restrictinfo);
81 extern void process_implied_equality(PlannerInfo *root,
86 bool below_outer_join,
88 extern RestrictInfo *build_implied_join_equality(Oid opno,
94 * prototypes for plan/setrefs.c
96 extern Plan *set_plan_references(PlannerGlobal *glob,
99 extern List *set_returning_clause_references(PlannerGlobal *glob,
102 Index resultRelation);
103 extern void fix_opfuncids(Node *node);
104 extern void set_opfuncid(OpExpr *opexpr);
105 extern void set_sa_opfuncid(ScalarArrayOpExpr *opexpr);
107 #endif /* PLANMAIN_H */