Files
oceanbase/src/sql/engine/expr/ob_expr_xml_attributes.h
obdev 17abf2818a [FEAT MERGE] OB Support XMLType
Co-authored-by: simonjoylet <simonjoylet@gmail.com>
2023-04-28 03:45:10 +00:00

45 lines
1.6 KiB
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.
* This file is for func xmlattributes.
*/
#ifndef OCEANBASE_SQL_OB_EXPR_XML_ATTRIBUTES_H_
#define OCEANBASE_SQL_OB_EXPR_XML_ATTRIBUTES_H_
#include "sql/engine/expr/ob_expr_operator.h"
using namespace oceanbase::common;
namespace oceanbase
{
namespace sql
{
class ObExprXmlAttributes : public ObFuncExprOperator
{
public:
explicit ObExprXmlAttributes(common::ObIAllocator &alloc);
virtual ~ObExprXmlAttributes();
virtual int calc_result_typeN(ObExprResType& type,
ObExprResType* types,
int64_t param_num,
common::ObExprTypeCtx& type_ctx)
const override;
static int eval_xml_attributes(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res) { return OB_NOT_SUPPORTED; }
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprXmlAttributes);
};
} // sql
} // oceanbase
#endif // OCEANBASE_SQL_OB_EXPR_XML_ATTRIBUTES_H_