44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef _OB_EXPR_PROMOTION_UTIL_H_
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#define _OB_EXPR_PROMOTION_UTIL_H_
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//#include "sql/engine/expr/ob_expr_operator.h"
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#include "common/object/ob_obj_type.h"
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//#include "common/expression/ob_expr_string_buf.h"
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//#include "lib/timezone/ob_timezone_info.h"
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namespace oceanbase
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{
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namespace sql
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{
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class ObExprResType;
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class ObExprPromotionUtil
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{
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public:
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static int get_nvl_type(
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ObExprResType &type,
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const ObExprResType &type1,
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const ObExprResType &type2);
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private:
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static int get_calc_type(
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ObExprResType &type,
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const ObExprResType &type1,
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const ObExprResType &type2,
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const common::ObObjType map[common::ObMaxTC][common::ObMaxTC]);
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};
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}
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}
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#endif /* _OB_EXPR_PROMOTION_UTIL_H_ */
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