diff options
Diffstat (limited to 'src/include/optimizer')
| -rw-r--r-- | src/include/optimizer/cost.h | 7 | ||||
| -rw-r--r-- | src/include/optimizer/pathnode.h | 3 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h index dd43e45d0c0..25a730362a8 100644 --- a/src/include/optimizer/cost.h +++ b/src/include/optimizer/cost.h @@ -26,6 +26,8 @@ #define DEFAULT_CPU_TUPLE_COST 0.01 #define DEFAULT_CPU_INDEX_TUPLE_COST 0.005 #define DEFAULT_CPU_OPERATOR_COST 0.0025 +#define DEFAULT_PARALLEL_TUPLE_COST 0.1 +#define DEFAULT_PARALLEL_SETUP_COST 1000.0 #define DEFAULT_EFFECTIVE_CACHE_SIZE 524288 /* measured in pages */ @@ -48,8 +50,11 @@ 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; extern Cost disable_cost; +extern int max_parallel_degree; extern bool enable_seqscan; extern bool enable_indexscan; extern bool enable_indexonlyscan; @@ -144,6 +149,8 @@ extern void final_cost_hashjoin(PlannerInfo *root, HashPath *path, JoinCostWorkspace *workspace, SpecialJoinInfo *sjinfo, SemiAntiJoinFactors *semifactors); +extern void cost_gather(GatherPath *path, PlannerInfo *root, + RelOptInfo *baserel, ParamPathInfo *param_info); 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); diff --git a/src/include/optimizer/pathnode.h b/src/include/optimizer/pathnode.h index 161644c343b..7a4940c7d20 100644 --- a/src/include/optimizer/pathnode.h +++ b/src/include/optimizer/pathnode.h @@ -69,6 +69,9 @@ extern ResultPath *create_result_path(List *quals); extern MaterialPath *create_material_path(RelOptInfo *rel, Path *subpath); extern UniquePath *create_unique_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath, SpecialJoinInfo *sjinfo); +extern GatherPath *create_gather_path(PlannerInfo *root, + RelOptInfo *rel, Path *subpath, Relids required_outer, + int nworkers); extern Path *create_subqueryscan_path(PlannerInfo *root, RelOptInfo *rel, List *pathkeys, Relids required_outer); extern Path *create_functionscan_path(PlannerInfo *root, RelOptInfo *rel, |