init

2026-04-07 13:35:22 +08:00
commit 0120fa9ce3
1530 changed files with 424864 additions and 0 deletions
--- a/pg_include/optimizer/planmain.h
+++ b/pg_include/optimizer/planmain.h
@@ -0,0 +1,133 @@
+/*-------------------------------------------------------------------------
+ *
+ * planmain.h
+ *	  prototypes for various files in optimizer/plan
+ *
+ *
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/optimizer/planmain.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PLANMAIN_H
+#define PLANMAIN_H
+
+#include "nodes/plannodes.h"
+#include "nodes/relation.h"
+
+/* GUC parameters */
+#define DEFAULT_CURSOR_TUPLE_FRACTION 0.1
+extern double cursor_tuple_fraction;
+
+/*
+ * prototypes for plan/planmain.c
+ */
+extern void query_planner(PlannerInfo *root, List *tlist,
+			  double tuple_fraction, double limit_tuples,
+			  Path **cheapest_path, Path **sorted_path,
+			  double *num_groups);
+
+/*
+ * prototypes for plan/planagg.c
+ */
+extern void preprocess_minmax_aggregates(PlannerInfo *root, List *tlist);
+extern Plan *optimize_minmax_aggregates(PlannerInfo *root, List *tlist,
+						   const AggClauseCosts *aggcosts, Path *best_path);
+
+/*
+ * prototypes for plan/createplan.c
+ */
+extern Plan *create_plan(PlannerInfo *root, Path *best_path);
+extern SubqueryScan *make_subqueryscan(List *qptlist, List *qpqual,
+				  Index scanrelid, Plan *subplan);
+extern ForeignScan *make_foreignscan(List *qptlist, List *qpqual,
+				 Index scanrelid, List *fdw_exprs, List *fdw_private);
+extern Append *make_append(List *appendplans, List *tlist);
+extern RecursiveUnion *make_recursive_union(List *tlist,
+					 Plan *lefttree, Plan *righttree, int wtParam,
+					 List *distinctList, long numGroups);
+extern Sort *make_sort_from_pathkeys(PlannerInfo *root, Plan *lefttree,
+						List *pathkeys, double limit_tuples);
+extern Sort *make_sort_from_sortclauses(PlannerInfo *root, List *sortcls,
+						   Plan *lefttree);
+extern Sort *make_sort_from_groupcols(PlannerInfo *root, List *groupcls,
+						 AttrNumber *grpColIdx, Plan *lefttree);
+extern Agg *make_agg(PlannerInfo *root, List *tlist, List *qual,
+		 AggStrategy aggstrategy, const AggClauseCosts *aggcosts,
+		 int numGroupCols, AttrNumber *grpColIdx, Oid *grpOperators,
+		 long numGroups,
+		 Plan *lefttree);
+extern WindowAgg *make_windowagg(PlannerInfo *root, List *tlist,
+			   List *windowFuncs, Index winref,
+			   int partNumCols, AttrNumber *partColIdx, Oid *partOperators,
+			   int ordNumCols, AttrNumber *ordColIdx, Oid *ordOperators,
+			   int frameOptions, Node *startOffset, Node *endOffset,
+			   Plan *lefttree);
+extern Group *make_group(PlannerInfo *root, List *tlist, List *qual,
+		   int numGroupCols, AttrNumber *grpColIdx, Oid *grpOperators,
+		   double numGroups,
+		   Plan *lefttree);
+extern Plan *materialize_finished_plan(Plan *subplan);
+extern Unique *make_unique(Plan *lefttree, List *distinctList);
+extern LockRows *make_lockrows(Plan *lefttree, List *rowMarks, int epqParam);
+extern Limit *make_limit(Plan *lefttree, Node *limitOffset, Node *limitCount,
+		   int64 offset_est, int64 count_est);
+extern SetOp *make_setop(SetOpCmd cmd, SetOpStrategy strategy, Plan *lefttree,
+		   List *distinctList, AttrNumber flagColIdx, int firstFlag,
+		   long numGroups, double outputRows);
+extern Result *make_result(PlannerInfo *root, List *tlist,
+			Node *resconstantqual, Plan *subplan);
+extern ModifyTable *make_modifytable(CmdType operation, bool canSetTag,
+				 List *resultRelations, List *subplans, List *returningLists,
+				 List *rowMarks, int epqParam);
+extern bool is_projection_capable_plan(Plan *plan);
+
+/*
+ * prototypes for plan/initsplan.c
+ */
+extern int	from_collapse_limit;
+extern int	join_collapse_limit;
+
+extern void add_base_rels_to_query(PlannerInfo *root, Node *jtnode);
+extern void build_base_rel_tlists(PlannerInfo *root, List *final_tlist);
+extern void add_vars_to_targetlist(PlannerInfo *root, List *vars,
+					   Relids where_needed, bool create_new_ph);
+extern List *deconstruct_jointree(PlannerInfo *root);
+extern void distribute_restrictinfo_to_rels(PlannerInfo *root,
+								RestrictInfo *restrictinfo);
+extern void process_implied_equality(PlannerInfo *root,
+						 Oid opno,
+						 Oid collation,
+						 Expr *item1,
+						 Expr *item2,
+						 Relids qualscope,
+						 Relids nullable_relids,
+						 bool below_outer_join,
+						 bool both_const);
+extern RestrictInfo *build_implied_join_equality(Oid opno,
+							Oid collation,
+							Expr *item1,
+							Expr *item2,
+							Relids qualscope,
+							Relids nullable_relids);
+
+/*
+ * prototypes for plan/analyzejoins.c
+ */
+extern List *remove_useless_joins(PlannerInfo *root, List *joinlist);
+
+/*
+ * prototypes for plan/setrefs.c
+ */
+extern Plan *set_plan_references(PlannerInfo *root, Plan *plan);
+extern void fix_opfuncids(Node *node);
+extern void set_opfuncid(OpExpr *opexpr);
+extern void set_sa_opfuncid(ScalarArrayOpExpr *opexpr);
+extern void record_plan_function_dependency(PlannerInfo *root, Oid funcid);
+extern void extract_query_dependencies(Node *query,
+						   List **relationOids,
+						   List **invalItems);
+
+#endif   /* PLANMAIN_H */