/**
 * 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 _OB_LOG_EXPR_VALUES_H
#define _OB_LOG_EXPR_VALUES_H
#include "sql/optimizer/ob_logical_operator.h"

namespace oceanbase
{
namespace sql
{
class ObLogExprValues : public ObLogicalOperator
  {
  public:
    ObLogExprValues(ObLogPlan &plan)
        : ObLogicalOperator(plan),
          err_log_define_(),
          is_values_table_(false),
          table_name_()

    {}
    virtual ~ObLogExprValues() {}
    int add_values_expr(const common::ObIArray<ObRawExpr *> &value_exprs);
    int add_values_desc(const common::ObIArray<ObColumnRefRawExpr *> &value_desc);

    const common::ObIArray<ObColumnRefRawExpr *> &get_value_desc() const
    {
      return value_desc_;
    }
    common::ObIArray<ObColumnRefRawExpr *> &get_value_desc()
    {
      return value_desc_;
    }
    const common::ObIArray<ObRawExpr *> &get_value_exprs() const
    {
      return value_exprs_;
    }
    common::ObIArray<ObRawExpr *> &get_value_exprs()
    {
      return value_exprs_;
    }
    bool contain_array_binding_param() const;
    bool is_ins_values_batch_opt() const;

    // add for error logging
    ObErrLogDefine &get_err_log_define() { return err_log_define_; }
    const ObErrLogDefine &get_err_log_define() const { return err_log_define_; }

    virtual int est_cost() override;
    virtual int do_re_est_cost(EstimateCostInfo &param, double &card, double &op_cost, double &cost);
    virtual int compute_op_ordering() override;
    virtual int compute_equal_set() override;
    virtual int compute_table_set() override;
    virtual int compute_fd_item_set() override;
    virtual int compute_one_row_info() override;
    virtual int compute_sharding_info() override;
    virtual int compute_op_parallel_and_server_info() override;
    virtual int get_op_exprs(ObIArray<ObRawExpr*> &all_exprs) override;
    virtual int is_my_fixed_expr(const ObRawExpr *expr, bool &is_fixed) override;
    virtual int allocate_expr_post(ObAllocExprContext &ctx) override;
    int extract_err_log_info();
    int mark_probably_local_exprs();
    int allocate_dummy_output();
    virtual int inner_replace_op_exprs(ObRawExprReplacer &replacer) override;

    virtual int get_plan_item_info(PlanText &plan_text,
                                ObSqlPlanItem &plan_item) override;
    int get_array_param_group_id(int64_t &group_id, bool &find);
    void set_is_values_table(bool is_values_table) { is_values_table_ = is_values_table; }
    int64_t get_values_row_count() const {
      return is_values_table_ && value_desc_.count() > 0 ? value_exprs_.count() / value_desc_.count() : 1;
    }
    inline common::ObString &get_table_name() { return table_name_; }
    inline const common::ObString &get_table_name() const { return table_name_; }
    inline void set_table_name(const common::ObString &table_name) { table_name_ = table_name; }
  private:
    int construct_array_binding_values();
    int construct_sequence_values();
  private:
    common::ObSEArray<ObRawExpr*, 4, common::ModulePageAllocator, true> value_exprs_;
    common::ObSEArray<ObColumnRefRawExpr*, 4, common::ModulePageAllocator, true> value_desc_;
    //add for error_logging
    ObErrLogDefine err_log_define_;
    //for values table
    bool is_values_table_;
    common::ObString table_name_;

    DISALLOW_COPY_AND_ASSIGN(ObLogExprValues);
  };
}
}
#endif