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src/sql/engine/expr/ob_expr_utl_i18n.h Normal file
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/**
* 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_ENGINE_EXPR_OB_EXPR_UTL_I18N_
#define OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_UTL_I18N_
#include "sql/engine/expr/ob_expr_operator.h"
#include "share/object/ob_obj_cast.h"
namespace oceanbase {
namespace sql {
class ObExprUtlI18nStringToRaw : public ObStringExprOperator {
public:
explicit ObExprUtlI18nStringToRaw(common::ObIAllocator& alloc);
virtual ~ObExprUtlI18nStringToRaw();
virtual int calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
static int calc(common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2,
common::ObCastCtx& cast_ctx, const ObSQLSessionInfo* session_info);
virtual int calc_result2(
common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlI18nStringToRaw);
};
class ObExprUtlI18nRawToChar : public ObStringExprOperator {
public:
explicit ObExprUtlI18nRawToChar(common::ObIAllocator& alloc);
virtual ~ObExprUtlI18nRawToChar();
virtual int calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
static int calc(common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2,
common::ObCastCtx& cast_ctx, const ObSQLSessionInfo* session_info);
virtual int calc_result2(
common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlI18nRawToChar);
};
} // namespace sql
} // namespace oceanbase
#endif /* OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_UTL_I18N_ */