/**
 * 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 SRC_SQL_ENGINE_EXPR_OB_EXPR_AES_ENCRYPT_H_
#define SRC_SQL_ENGINE_EXPR_OB_EXPR_AES_ENCRYPT_H_
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase
{
namespace sql
{
class ObExprAesEncrypt : public ObFuncExprOperator 
{
public:
  ObExprAesEncrypt();
  explicit ObExprAesEncrypt(common::ObIAllocator& alloc);
  virtual ~ObExprAesEncrypt();
  virtual int calc_result_typeN(ObExprResType& type,
                                ObExprResType* types,
                                int64_t param_num, 
                                common::ObExprTypeCtx& type_ctx)
                                const override;
  static int eval_aes_encrypt(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
  virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
                      ObExpr &rt_expr) const override;
private:
  DISALLOW_COPY_AND_ASSIGN(ObExprAesEncrypt);
};

class ObExprAesDecrypt : public ObFuncExprOperator 
{
public:
  ObExprAesDecrypt();
  explicit ObExprAesDecrypt(common::ObIAllocator& alloc);
  virtual ~ObExprAesDecrypt();
  virtual int calc_result_typeN(ObExprResType& type,
                                ObExprResType* types,
                                int64_t param_num, 
                                common::ObExprTypeCtx& type_ctx)
                                const override;
  static int eval_aes_decrypt(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
  virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
                      ObExpr &rt_expr) const override;
private:
  DISALLOW_COPY_AND_ASSIGN(ObExprAesDecrypt);
};

}
}





#endif