patch 4.0

src/sql/optimizer/ob_log_stat_collector.h

@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#ifndef OCEANBASE_SQL_OB_LOG_STAT_COLLECTOR_H_
+#define OCEANBASE_SQL_OB_LOG_STAT_COLLECTOR_H_
+#include "sql/optimizer/ob_logical_operator.h"
+#include "sql/engine/px/ob_px_basic_info.h"
+
+namespace oceanbase
+{
+namespace sql
+{
+
+class ObLogStatCollector : public ObLogicalOperator
+{
+public:
+  ObLogStatCollector(ObLogPlan &plan)
+      : ObLogicalOperator(plan),
+        sort_keys_(),
+        is_none_partition_(),
+        type_(ObStatCollectorType::NOT_INIT_TYPE)
+        {}
+  virtual ~ObLogStatCollector() {}
+  virtual const char *get_name() const;
+
+  int set_sort_keys(const common::ObIArray<OrderItem> &order_keys);
+  common::ObIArray<OrderItem> &get_sort_keys() { return sort_keys_; }
+  void set_stat_collector_type(ObStatCollectorType type) { type_ = type; }
+  ObStatCollectorType get_stat_collector_type() { return type_; }
+  void set_is_none_partition(bool flag) { is_none_partition_ = flag; }
+  bool get_is_none_partition() { return is_none_partition_;   }
+  virtual int get_op_exprs(ObIArray<ObRawExpr*> &all_exprs) override;
+private:
+  common::ObSEArray<OrderItem, 8, common::ModulePageAllocator, true> sort_keys_;
+  bool is_none_partition_;
+  ObStatCollectorType type_;
+};
+
+
+}
+}
+
+#endif