diff options
Diffstat (limited to 'src/include/optimizer')
| -rw-r--r-- | src/include/optimizer/cost.h | 6 | ||||
| -rw-r--r-- | src/include/optimizer/pathnode.h | 6 | ||||
| -rw-r--r-- | src/include/optimizer/paths.h | 1 |
3 files changed, 13 insertions, 0 deletions
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h index 735ba09650..9710e5c0a4 100644 --- a/src/include/optimizer/cost.h +++ b/src/include/optimizer/cost.h @@ -53,6 +53,7 @@ extern PGDLLIMPORT bool enable_indexonlyscan; extern PGDLLIMPORT bool enable_bitmapscan; extern PGDLLIMPORT bool enable_tidscan; extern PGDLLIMPORT bool enable_sort; +extern PGDLLIMPORT bool enable_incrementalsort; extern PGDLLIMPORT bool enable_hashagg; extern PGDLLIMPORT bool enable_hashagg_disk; extern PGDLLIMPORT bool enable_groupingsets_hash_disk; @@ -103,6 +104,11 @@ extern void cost_sort(Path *path, PlannerInfo *root, List *pathkeys, Cost input_cost, double tuples, int width, Cost comparison_cost, int sort_mem, double limit_tuples); +extern void cost_incremental_sort(Path *path, + PlannerInfo *root, List *pathkeys, int presorted_keys, + Cost input_startup_cost, Cost input_total_cost, + double input_tuples, int width, Cost comparison_cost, int sort_mem, + double limit_tuples); extern void cost_append(AppendPath *path); extern void cost_merge_append(Path *path, PlannerInfo *root, List *pathkeys, int n_streams, diff --git a/src/include/optimizer/pathnode.h b/src/include/optimizer/pathnode.h index e450fe112a..bcd08af753 100644 --- a/src/include/optimizer/pathnode.h +++ b/src/include/optimizer/pathnode.h @@ -184,6 +184,12 @@ extern ProjectSetPath *create_set_projection_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath, PathTarget *target); +extern SortPath *create_incremental_sort_path(PlannerInfo *root, + RelOptInfo *rel, + Path *subpath, + List *pathkeys, + int presorted_keys, + double limit_tuples); extern SortPath *create_sort_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath, diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h index c689fe8e26..ab61f306cb 100644 --- a/src/include/optimizer/paths.h +++ b/src/include/optimizer/paths.h @@ -185,6 +185,7 @@ typedef enum extern PathKeysComparison compare_pathkeys(List *keys1, List *keys2); extern bool pathkeys_contained_in(List *keys1, List *keys2); +extern bool pathkeys_count_contained_in(List *keys1, List *keys2, int *n_common); extern Path *get_cheapest_path_for_pathkeys(List *paths, List *pathkeys, Relids required_outer, CostSelector cost_criterion, |