codekingpro/portable-devtools

1/*-------------------------------------------------------------------------2 *3 * planmain.h4 *	  prototypes for various files in optimizer/plan5 *6 *7 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group8 * Portions Copyright (c) 1994, Regents of the University of California9 *10 * src/include/optimizer/planmain.h11 *12 *-------------------------------------------------------------------------13 */14#ifndef PLANMAIN_H15#define PLANMAIN_H16 17#include "nodes/pathnodes.h"18#include "nodes/plannodes.h"19 20/* GUC parameters */21#define DEFAULT_CURSOR_TUPLE_FRACTION 0.122extern PGDLLIMPORT double cursor_tuple_fraction;23 24/* query_planner callback to compute query_pathkeys */25typedef void (*query_pathkeys_callback) (PlannerInfo *root, void *extra);26 27/*28 * prototypes for plan/planmain.c29 */30extern RelOptInfo *query_planner(PlannerInfo *root,31								 query_pathkeys_callback qp_callback, void *qp_extra);32 33/*34 * prototypes for plan/planagg.c35 */36extern void preprocess_minmax_aggregates(PlannerInfo *root);37 38/*39 * prototypes for plan/createplan.c40 */41extern Plan *create_plan(PlannerInfo *root, Path *best_path);42extern ForeignScan *make_foreignscan(List *qptlist, List *qpqual,43									 Index scanrelid, List *fdw_exprs, List *fdw_private,44									 List *fdw_scan_tlist, List *fdw_recheck_quals,45									 Plan *outer_plan);46extern Plan *change_plan_targetlist(Plan *subplan, List *tlist,47									bool tlist_parallel_safe);48extern Plan *materialize_finished_plan(Plan *subplan);49extern bool is_projection_capable_path(Path *path);50extern bool is_projection_capable_plan(Plan *plan);51 52/* External use of these functions is deprecated: */53extern Sort *make_sort_from_sortclauses(List *sortcls, Plan *lefttree);54extern Agg *make_agg(List *tlist, List *qual,55					 AggStrategy aggstrategy, AggSplit aggsplit,56					 int numGroupCols, AttrNumber *grpColIdx, Oid *grpOperators, Oid *grpCollations,57					 List *groupingSets, List *chain, double dNumGroups,58					 Size transitionSpace, Plan *lefttree);59extern Limit *make_limit(Plan *lefttree, Node *limitOffset, Node *limitCount,60						 LimitOption limitOption, int uniqNumCols,61						 AttrNumber *uniqColIdx, Oid *uniqOperators,62						 Oid *uniqCollations);63 64/*65 * prototypes for plan/initsplan.c66 */67extern PGDLLIMPORT int from_collapse_limit;68extern PGDLLIMPORT int join_collapse_limit;69 70extern void add_base_rels_to_query(PlannerInfo *root, Node *jtnode);71extern void add_other_rels_to_query(PlannerInfo *root);72extern void build_base_rel_tlists(PlannerInfo *root, List *final_tlist);73extern void add_vars_to_targetlist(PlannerInfo *root, List *vars,74								   Relids where_needed);75extern void find_lateral_references(PlannerInfo *root);76extern void create_lateral_join_info(PlannerInfo *root);77extern List *deconstruct_jointree(PlannerInfo *root);78extern void distribute_restrictinfo_to_rels(PlannerInfo *root,79											RestrictInfo *restrictinfo);80extern RestrictInfo *process_implied_equality(PlannerInfo *root,81											  Oid opno,82											  Oid collation,83											  Expr *item1,84											  Expr *item2,85											  Relids qualscope,86											  Index security_level,87											  bool both_const);88extern RestrictInfo *build_implied_join_equality(PlannerInfo *root,89												 Oid opno,90												 Oid collation,91												 Expr *item1,92												 Expr *item2,93												 Relids qualscope,94												 Index security_level);95extern void match_foreign_keys_to_quals(PlannerInfo *root);96 97/*98 * prototypes for plan/analyzejoins.c99 */100extern List *remove_useless_joins(PlannerInfo *root, List *joinlist);101extern void reduce_unique_semijoins(PlannerInfo *root);102extern bool query_supports_distinctness(Query *query);103extern bool query_is_distinct_for(Query *query, List *colnos, List *opids);104extern bool innerrel_is_unique(PlannerInfo *root,105							   Relids joinrelids, Relids outerrelids, RelOptInfo *innerrel,106							   JoinType jointype, List *restrictlist, bool force_cache);107 108/*109 * prototypes for plan/setrefs.c110 */111extern Plan *set_plan_references(PlannerInfo *root, Plan *plan);112extern bool trivial_subqueryscan(SubqueryScan *plan);113extern void record_plan_function_dependency(PlannerInfo *root, Oid funcid);114extern void record_plan_type_dependency(PlannerInfo *root, Oid typid);115extern bool extract_query_dependencies_walker(Node *node, PlannerInfo *context);116 117#endif							/* PLANMAIN_H */118