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/*-------------------------------------------------------------------------
*
* planner.h
* prototypes for planner.c.
*
*
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/optimizer/planner.h,v 1.42 2007/11/15 21:14:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#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;
extern PlannedStmt *planner(Query *parse, int cursorOptions,
ParamListInfo boundParams);
extern PlannedStmt *standard_planner(Query *parse, int cursorOptions,
ParamListInfo boundParams);
extern Plan *subquery_planner(PlannerGlobal * glob, Query *parse,
Index level, double tuple_fraction,
PlannerInfo **subroot);
#endif /* PLANNER_H */
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