[FEAT MERGE] [CP] Improve the rowcount estimation

Co-authored-by: akaError <lzg020616@163.com>
2024-01-22 04:12:26 +00:00
parent a125d6cf00
commit d2ab1a4aae
70 changed files with 5953 additions and 3722 deletions
--- a/src/sql/optimizer/ob_optimizer_util.h
+++ b/src/sql/optimizer/ob_optimizer_util.h
@ -1535,6 +1535,8 @@ public:
                                         ObRawExpr *&temp_table_filter,
                                         ObSelectStmt *temp_table_query = NULL);

+  static int check_is_static_false_expr(ObOptimizerContext &opt_ctx, ObRawExpr &expr, bool &is_static_false);
+
  static int check_ancestor_node_support_skip_scan(ObLogicalOperator* op, bool &can_use_batch_nlj);
 private:
  //disallow construct