refine NLJ、SPF`s rescan cost

2023-02-27 11:13:59 +00:00
parent 6272a505cb
commit a77a3dc6cf
4 changed files with 37 additions and 23 deletions
--- a/src/sql/optimizer/ob_join_order.h
+++ b/src/sql/optimizer/ob_join_order.h
@ -2207,6 +2207,7 @@ struct NullAwareAntiJoinInfo {
    inline uint64_t get_total_path_num() const { return total_path_num_; }
    int get_join_output_exprs(ObIArray<ObRawExpr *> &output_exprs);
    int get_excluded_condition_exprs(ObIArray<ObRawExpr *> &excluded_conditions);
+    static double calc_single_parallel_rows(double rows, int64_t parallel);
  private:
    static int check_and_remove_is_null_qual(ObLogPlan *plan,
                                             const ObJoinType join_type,