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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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12
src/sql/optimizer/ob_join_order.h
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@ -679,6 +679,10 @@ struct EstimateCostInfo {
}
// compute current path is inner path and contribute query ranges
int compute_valid_inner_path();
inline bool is_false_range()
{
return 1 == est_cost_info_.ranges_.count() && est_cost_info_.ranges_.at(0).is_false_range();
}
TO_STRING_KV(K_(table_id),
K_(ref_table_id),
@ -1258,7 +1262,8 @@ struct NullAwareAntiJoinInfo {
filters_(),
subquery_exprs_(),
inner_paths_(),
table_opt_info_(NULL)
table_opt_info_(NULL),
est_method_(EST_INVALID)
{}
bool is_inner_path_;
@ -1277,6 +1282,7 @@ struct NullAwareAntiJoinInfo {
ObSEArray<ObPCConstParamInfo, 4> const_param_constraints_;
ObSEArray<ObExprConstraint, 4> expr_constraints_;
ObBaseTableEstMethod est_method_;
};
struct DeducedExprInfo {
@ -1773,6 +1779,7 @@ struct NullAwareAntiJoinInfo {
const ObIArray<ObRawExpr*> &filters,
double &output_card);
int estimate_size_and_width_for_fake_cte(uint64_t table_id, ObSelectLogPlan *nonrecursive_plan);
int create_one_cte_table_path(const TableItem* table_item,
ObShardingInfo * sharding);
int generate_cte_table_paths();
@ -2363,7 +2370,8 @@ struct NullAwareAntiJoinInfo {
int estimate_rowcount_for_access_path(ObIArray<AccessPath*> &all_paths,
const bool is_inner_path,
common::ObIArray<ObRawExpr*> &filter_exprs);
common::ObIArray<ObRawExpr*> &filter_exprs,
ObBaseTableEstMethod &method);
inline bool can_use_remote_estimate(OptimizationMethod method)
{