hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Fix temp table related bugs

Browse Source
This commit is contained in:
xianyu-w
2023-08-04 10:18:34 +00:00
committed by ob-robot
parent 558f74a2d6
commit 88430a9d96
30 changed files with 2750 additions and 1064 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/sql/optimizer/ob_optimizer.h
View File

@ -183,6 +183,11 @@ namespace sql
virtual int get_optimization_cost(ObDMLStmt &stmt,
ObLogPlan *&plan,
double &cost);
virtual int get_cte_optimization_cost(ObDMLStmt &root_stmt,
ObSelectStmt *cte_query,
ObIArray<ObSelectStmt *> &stmts,
double &cte_cost,
ObIArray<double> &costs);
int update_column_usage_infos();
private:
int generate_plan_for_temp_table(ObDMLStmt &stmt);
@ -217,6 +222,13 @@ namespace sql
int check_whether_contain_nested_sql(const ObDMLStmt &stmt);
int check_force_default_stat();
int calc_link_stmt_count(const ObDMLStmt &stmt, int64_t &count);
int try_push_down_temp_table_filter(ObSqlTempTableInfo &temp_table_info,
ObRawExpr *&temp_table_filter,
ObRawExpr *&where_filter);
int push_down_temp_table_filter(ObSqlTempTableInfo &temp_table_info,
ObRawExpr *&temp_table_filter);
private:
ObOptimizerContext &ctx_;
DISALLOW_COPY_AND_ASSIGN(ObOptimizer);