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oceanbase/src/sql/engine/expr/ob_expr_hextoraw.h
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

41 lines
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C++

/**
* 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_HEXTORAW_
#define OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_HEXTORAW_
#include "sql/engine/expr/ob_expr_operator.h"
#include "share/object/ob_obj_cast.h"
#include "lib/number/ob_number_v2.h"
namespace oceanbase
{
namespace sql
{
class ObExprHextoraw : public ObStringExprOperator
{
public:
explicit ObExprHextoraw(common::ObIAllocator &alloc);
virtual ~ObExprHextoraw();
virtual int calc_result_type1(ObExprResType &type,
ObExprResType &text,
common::ObExprTypeCtx &type_ctx) const;
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const;
static int calc_hextoraw_expr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res_datum);
private:
DISALLOW_COPY_AND_ASSIGN(ObExprHextoraw);
};
}
}
#endif /* OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_HEXTORAW_ */