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 1.89 2005/09/28 21:17:02 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,
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);
40 extern Append *make_append(List *appendplans, bool isTarget, List *tlist);
41 extern Sort *make_sort_from_sortclauses(PlannerInfo *root, List *sortcls,
43 extern Sort *make_sort_from_groupcols(PlannerInfo *root, List *groupcls,
44 AttrNumber *grpColIdx, Plan *lefttree);
45 extern List *order_qual_clauses(PlannerInfo *root, List *clauses);
46 extern Agg *make_agg(PlannerInfo *root, List *tlist, List *qual,
47 AggStrategy aggstrategy,
48 int numGroupCols, AttrNumber *grpColIdx,
49 long numGroups, int numAggs,
51 extern Group *make_group(PlannerInfo *root, List *tlist, List *qual,
52 int numGroupCols, AttrNumber *grpColIdx,
55 extern Material *make_material(Plan *lefttree);
56 extern Plan *materialize_finished_plan(Plan *subplan);
57 extern Unique *make_unique(Plan *lefttree, List *distinctList);
58 extern Limit *make_limit(Plan *lefttree, Node *limitOffset, Node *limitCount,
59 int offset_est, int count_est);
60 extern SetOp *make_setop(SetOpCmd cmd, Plan *lefttree,
61 List *distinctList, AttrNumber flagColIdx);
62 extern Result *make_result(List *tlist, Node *resconstantqual, Plan *subplan);
63 extern bool is_projection_capable_plan(Plan *plan);
66 * prototypes for plan/initsplan.c
68 extern void add_base_rels_to_query(PlannerInfo *root, Node *jtnode);
69 extern void build_base_rel_tlists(PlannerInfo *root, List *final_tlist);
70 extern Relids distribute_quals_to_rels(PlannerInfo *root, Node *jtnode,
71 bool below_outer_join);
72 extern void process_implied_equality(PlannerInfo *root,
73 Node *item1, Node *item2,
74 Oid sortop1, Oid sortop2,
75 Relids item1_relids, Relids item2_relids,
79 * prototypes for plan/setrefs.c
81 extern Plan *set_plan_references(Plan *plan, List *rtable);
82 extern void fix_opfuncids(Node *node);
83 extern void set_opfuncid(OpExpr *opexpr);
85 #endif /* PLANMAIN_H */