diff options
Diffstat (limited to 'src/include/optimizer/cost.h')
| -rw-r--r-- | src/include/optimizer/cost.h | 34 |
1 files changed, 5 insertions, 29 deletions
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h index 623f733d7df..48efbe58f7f 100644 --- a/src/include/optimizer/cost.h +++ b/src/include/optimizer/cost.h @@ -44,15 +44,7 @@ typedef enum * routines to compute costs and sizes */ -/* parameter variables and flags */ -extern PGDLLIMPORT double seq_page_cost; -extern PGDLLIMPORT double random_page_cost; -extern PGDLLIMPORT double cpu_tuple_cost; -extern PGDLLIMPORT double cpu_index_tuple_cost; -extern PGDLLIMPORT double cpu_operator_cost; -extern PGDLLIMPORT double parallel_tuple_cost; -extern PGDLLIMPORT double parallel_setup_cost; -extern PGDLLIMPORT int effective_cache_size; +/* parameter variables and flags (see also optimizer.h) */ extern PGDLLIMPORT Cost disable_cost; extern PGDLLIMPORT int max_parallel_workers_per_gather; extern PGDLLIMPORT bool enable_seqscan; @@ -74,7 +66,6 @@ extern PGDLLIMPORT bool enable_parallel_hash; extern PGDLLIMPORT bool enable_partition_pruning; extern PGDLLIMPORT int constraint_exclusion; -extern double clamp_row_est(double nrows); extern double index_pages_fetched(double tuples_fetched, BlockNumber pages, double index_pages, PlannerInfo *root); extern void cost_seqscan(Path *path, PlannerInfo *root, RelOptInfo *baserel, @@ -165,6 +156,10 @@ extern void final_cost_hashjoin(PlannerInfo *root, HashPath *path, JoinPathExtraData *extra); extern void cost_gather(GatherPath *path, PlannerInfo *root, RelOptInfo *baserel, ParamPathInfo *param_info, double *rows); +extern void cost_gather_merge(GatherMergePath *path, PlannerInfo *root, + RelOptInfo *rel, ParamPathInfo *param_info, + Cost input_startup_cost, Cost input_total_cost, + double *rows); extern void cost_subplan(PlannerInfo *root, SubPlan *subplan, Plan *plan); extern void cost_qual_eval(QualCost *cost, List *quals, PlannerInfo *root); extern void cost_qual_eval_node(QualCost *cost, Node *qual, PlannerInfo *root); @@ -204,23 +199,4 @@ extern PathTarget *set_pathtarget_cost_width(PlannerInfo *root, PathTarget *targ extern double compute_bitmap_pages(PlannerInfo *root, RelOptInfo *baserel, Path *bitmapqual, int loop_count, Cost *cost, double *tuple); -/* - * prototypes for clausesel.c - * routines to compute clause selectivities - */ -extern Selectivity clauselist_selectivity(PlannerInfo *root, - List *clauses, - int varRelid, - JoinType jointype, - SpecialJoinInfo *sjinfo); -extern Selectivity clause_selectivity(PlannerInfo *root, - Node *clause, - int varRelid, - JoinType jointype, - SpecialJoinInfo *sjinfo); -extern void cost_gather_merge(GatherMergePath *path, PlannerInfo *root, - RelOptInfo *rel, ParamPathInfo *param_info, - Cost input_startup_cost, Cost input_total_cost, - double *rows); - #endif /* COST_H */ |