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[FEAT MERGE] [CP] Improve the rowcount estimation

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Co-authored-by: akaError <lzg020616@163.com>
This commit is contained in:
xianyu-w
2024-01-22 04:12:26 +00:00
committed by ob-robot
parent a125d6cf00
commit d2ab1a4aae
70 changed files with 5953 additions and 3722 deletions
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9
src/sql/optimizer/ob_dynamic_sampling.h
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@ -349,7 +349,6 @@ public:
static int get_valid_dynamic_sampling_level(const ObSQLSessionInfo *session_info,
const ObTableDynamicSamplingHint *table_ds_hint,
const int64_t global_ds_level,
bool has_opt_stat,
int64_t &ds_level,
int64_t &sample_block_cnt,
bool &specify_ds);
@ -357,7 +356,6 @@ public:
static int get_ds_table_param(ObOptimizerContext &ctx,
const ObLogPlan *log_plan,
const OptTableMeta *table_meta,
bool ignore_opt_stat,
ObDSTableParam &ds_table_param,
bool &specify_ds);
@ -383,6 +381,10 @@ public:
const uint64_t ref_table_id,
int64_t &degree);
static bool check_is_failed_ds_table(const uint64_t table_id,
const common::ObIArray<int64_t> &used_part_id,
const common::ObIArray<ObDSFailTabInfo> &failed_list);
private:
static int check_ds_can_use_filter(const ObRawExpr *filter,
bool &no_use,
@ -394,9 +396,6 @@ private:
bool &need_specify_partition,
ObIArray<PartInfo> &partition_infos);
static bool check_is_failed_ds_table(const uint64_t table_id,
const common::ObIArray<int64_t> &used_part_id,
const common::ObIArray<ObDSFailTabInfo> &failed_list);
}
;