diff options
Diffstat (limited to 'src/include/statistics')
| -rw-r--r-- | src/include/statistics/extended_stats_internal.h | 15 | ||||
| -rw-r--r-- | src/include/statistics/statistics.h | 3 |
2 files changed, 17 insertions, 1 deletions
diff --git a/src/include/statistics/extended_stats_internal.h b/src/include/statistics/extended_stats_internal.h index 61e69696cfe..02bf6a05027 100644 --- a/src/include/statistics/extended_stats_internal.h +++ b/src/include/statistics/extended_stats_internal.h @@ -99,6 +99,11 @@ extern SortItem *build_sorted_items(int numrows, int *nitems, HeapTuple *rows, extern bool examine_clause_args(List *args, Var **varp, Const **cstp, bool *varonleftp); +extern Selectivity mcv_combine_selectivities(Selectivity simple_sel, + Selectivity mcv_sel, + Selectivity mcv_basesel, + Selectivity mcv_totalsel); + extern Selectivity mcv_clauselist_selectivity(PlannerInfo *root, StatisticExtInfo *stat, List *clauses, @@ -109,4 +114,14 @@ extern Selectivity mcv_clauselist_selectivity(PlannerInfo *root, Selectivity *basesel, Selectivity *totalsel); +extern Selectivity mcv_clause_selectivity_or(PlannerInfo *root, + StatisticExtInfo *stat, + MCVList *mcv, + Node *clause, + bool **or_matches, + Selectivity *basesel, + Selectivity *overlap_mcvsel, + Selectivity *overlap_basesel, + Selectivity *totalsel); + #endif /* EXTENDED_STATS_INTERNAL_H */ diff --git a/src/include/statistics/statistics.h b/src/include/statistics/statistics.h index 50fce4935f3..c9ed21155cd 100644 --- a/src/include/statistics/statistics.h +++ b/src/include/statistics/statistics.h @@ -116,7 +116,8 @@ extern Selectivity statext_clauselist_selectivity(PlannerInfo *root, JoinType jointype, SpecialJoinInfo *sjinfo, RelOptInfo *rel, - Bitmapset **estimatedclauses); + Bitmapset **estimatedclauses, + bool is_or); extern bool has_stats_of_kind(List *stats, char requiredkind); extern StatisticExtInfo *choose_best_statistics(List *stats, char requiredkind, Bitmapset **clause_attnums, |