/**
 * 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_TEMP_TABLE_TRANSFORMATION_H
#define OCEANBASE_SQL_OB_LOG_TEMP_TABLE_TRANSFORMATION_H

#include "sql/resolver/dml/ob_dml_stmt.h"
#include "sql/optimizer/ob_logical_operator.h"

namespace oceanbase
{
namespace sql
{
class ObLogTempTableTransformation : public ObLogicalOperator
{
public:
  ObLogTempTableTransformation(ObLogPlan &plan);
  virtual ~ObLogTempTableTransformation();
  virtual int compute_op_ordering() override;
  virtual bool is_consume_child_1by1() const { return true; }
  virtual int compute_fd_item_set() override;
  virtual int est_cost() override;
  virtual int est_width() override;
  virtual bool is_block_op() const override { return false; }
  virtual bool is_block_input(const int64_t child_idx) const override { return child_idx != get_num_of_child() - 1; }
  virtual int compute_op_parallel_and_server_info() override;
  virtual int do_re_est_cost(EstimateCostInfo &param, double &card, double &op_cost, double &cost) override;
  int get_temp_table_exprs(ObIArray<ObRawExpr *> &set_exprs) const;
  int allocate_startup_expr_post() override;
  virtual int get_card_without_filter(double &card) override;
};

} // end of namespace sql
} // end of namespace oceanbase

#endif // OCEANBASE_SQL_OB_LOG_TEMP_TABLE_TRANSFORMATION_H