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- /*-------------------------------------------------------------------------
- *
- * planner.h
- * prototypes for planner.c.
- *
- *
- * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/include/optimizer/planner.h
- *
- *-------------------------------------------------------------------------
- */
- #ifndef PLANNER_H
- #define PLANNER_H
- #include "nodes/plannodes.h"
- #include "nodes/relation.h"
- /* Hook for plugins to get control in planner() */
- typedef PlannedStmt *(*planner_hook_type) (Query *parse,
- int cursorOptions,
- ParamListInfo boundParams);
- extern PGDLLIMPORT planner_hook_type planner_hook;
- /* Hook for plugins to get control when grouping_planner() plans upper rels */
- typedef void (*create_upper_paths_hook_type) (PlannerInfo *root,
- UpperRelationKind stage,
- RelOptInfo *input_rel,
- RelOptInfo *output_rel);
- extern PGDLLIMPORT create_upper_paths_hook_type create_upper_paths_hook;
- extern PlannedStmt *planner(Query *parse, int cursorOptions,
- ParamListInfo boundParams);
- extern PlannedStmt *standard_planner(Query *parse, int cursorOptions,
- ParamListInfo boundParams);
- extern PlannerInfo *subquery_planner(PlannerGlobal *glob, Query *parse,
- PlannerInfo *parent_root,
- bool hasRecursion, double tuple_fraction);
- extern bool is_dummy_plan(Plan *plan);
- extern RowMarkType select_rowmark_type(RangeTblEntry *rte,
- LockClauseStrength strength);
- extern void mark_partial_aggref(Aggref *agg, AggSplit aggsplit);
- extern Path *get_cheapest_fractional_path(RelOptInfo *rel,
- double tuple_fraction);
- extern Expr *expression_planner(Expr *expr);
- extern Expr *preprocess_phv_expression(PlannerInfo *root, Expr *expr);
- extern bool plan_cluster_use_sort(Oid tableOid, Oid indexOid);
- #endif /* PLANNER_H */
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