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00001 /*------------------------------------------------------------------------- 00002 * 00003 * planner.h 00004 * prototypes for planner.c. 00005 * 00006 * 00007 * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group 00008 * Portions Copyright (c) 1994, Regents of the University of California 00009 * 00010 * src/include/optimizer/planner.h 00011 * 00012 *------------------------------------------------------------------------- 00013 */ 00014 #ifndef PLANNER_H 00015 #define PLANNER_H 00016 00017 #include "nodes/plannodes.h" 00018 #include "nodes/relation.h" 00019 00020 00021 /* Hook for plugins to get control in planner() */ 00022 typedef PlannedStmt *(*planner_hook_type) (Query *parse, 00023 int cursorOptions, 00024 ParamListInfo boundParams); 00025 extern PGDLLIMPORT planner_hook_type planner_hook; 00026 00027 00028 extern PlannedStmt *planner(Query *parse, int cursorOptions, 00029 ParamListInfo boundParams); 00030 extern PlannedStmt *standard_planner(Query *parse, int cursorOptions, 00031 ParamListInfo boundParams); 00032 00033 extern Plan *subquery_planner(PlannerGlobal *glob, Query *parse, 00034 PlannerInfo *parent_root, 00035 bool hasRecursion, double tuple_fraction, 00036 PlannerInfo **subroot); 00037 00038 extern void add_tlist_costs_to_plan(PlannerInfo *root, Plan *plan, 00039 List *tlist); 00040 00041 extern bool is_dummy_plan(Plan *plan); 00042 00043 extern Expr *expression_planner(Expr *expr); 00044 00045 extern Expr *preprocess_phv_expression(PlannerInfo *root, Expr *expr); 00046 00047 extern bool plan_cluster_use_sort(Oid tableOid, Oid indexOid); 00048 00049 #endif /* PLANNER_H */
1.7.1