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push cte preds when generate plan in cost based rewrite

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This commit is contained in:
xianyu-w
2023-09-11 03:10:33 +00:00
committed by ob-robot
parent 73d139ebdb
commit 32bc1e3d3d
6 changed files with 94 additions and 9 deletions
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6
src/sql/optimizer/ob_optimizer.h
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@ -182,7 +182,8 @@ namespace sql
virtual int optimize(ObDMLStmt &stmt, ObLogPlan *&plan);
virtual int get_optimization_cost(ObDMLStmt &stmt,
ObLogPlan *&plan,
double &cost);
double &cost,
ObDMLStmt::TempTableInfo *current_temp_table_);
virtual int get_cte_optimization_cost(ObDMLStmt &root_stmt,
ObSelectStmt *cte_query,
ObIArray<ObSelectStmt *> &stmts,
@ -225,7 +226,8 @@ namespace sql
int try_push_down_temp_table_filter(ObSqlTempTableInfo &temp_table_info,
ObRawExpr *&temp_table_filter,
ObRawExpr *&where_filter);
ObRawExpr *&where_filter,
ObSelectStmt *temp_table_query = NULL);
int push_down_temp_table_filter(ObSqlTempTableInfo &temp_table_info,
ObRawExpr *&temp_table_filter);