Fix core at cost-based rewrite in temp table query

2023-09-13 10:14:07 +00:00
parent 9b0c76426b
commit e831a7f141
8 changed files with 255 additions and 178 deletions
--- a/src/sql/optimizer/ob_optimizer_util.h
+++ b/src/sql/optimizer/ob_optimizer_util.h
@ -1497,6 +1497,16 @@ public:

  static bool find_superset(const ObRelIds &rel_ids,
                           const ObIArray<ObRelIds> &single_table_ids);
+
+  static int try_push_down_temp_table_filter(ObOptimizerContext &opt_ctx,
+                                             ObSqlTempTableInfo &temp_table_info,
+                                             ObRawExpr *&temp_table_filter,
+                                             ObRawExpr *&where_filter);
+  static int push_down_temp_table_filter(ObRawExprFactory &expr_factory,
+                                         ObSQLSessionInfo *session_info,
+                                         ObSqlTempTableInfo &temp_table_info,
+                                         ObRawExpr *&temp_table_filter,
+                                         ObSelectStmt *temp_table_query = NULL);
 private:
  //disallow construct
  ObOptimizerUtil();