63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*-------------------------------------------------------------------------
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*
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* planner.h
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* prototypes for planner.c.
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*
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* Note that the primary entry points for planner.c are declared in
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* optimizer/optimizer.h, because they're intended to be called from
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* non-planner code. Declarations here are meant for use by other
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* planner modules.
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*
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* Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/optimizer/planner.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PLANNER_H
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#define PLANNER_H
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#include "nodes/pathnodes.h"
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#include "nodes/plannodes.h"
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/* Hook for plugins to get control in planner() */
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typedef PlannedStmt *(*planner_hook_type) (Query *parse,
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const char *query_string,
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int cursorOptions,
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ParamListInfo boundParams);
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extern PGDLLIMPORT planner_hook_type planner_hook;
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/* Hook for plugins to get control when grouping_planner() plans upper rels */
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typedef void (*create_upper_paths_hook_type) (PlannerInfo *root,
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UpperRelationKind stage,
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RelOptInfo *input_rel,
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RelOptInfo *output_rel,
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void *extra);
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extern PGDLLIMPORT create_upper_paths_hook_type create_upper_paths_hook;
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extern PlannedStmt *standard_planner(Query *parse, const char *query_string,
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int cursorOptions,
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ParamListInfo boundParams);
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extern PlannerInfo *subquery_planner(PlannerGlobal *glob, Query *parse,
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PlannerInfo *parent_root,
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bool hasRecursion, double tuple_fraction,
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SetOperationStmt *setops);
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extern RowMarkType select_rowmark_type(RangeTblEntry *rte,
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LockClauseStrength strength);
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extern bool limit_needed(Query *parse);
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extern void mark_partial_aggref(Aggref *agg, AggSplit aggsplit);
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extern Path *get_cheapest_fractional_path(RelOptInfo *rel,
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double tuple_fraction);
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extern Expr *preprocess_phv_expression(PlannerInfo *root, Expr *expr);
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#endif /* PLANNER_H */
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