42 lines
1.3 KiB
C++
42 lines
1.3 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.
|
|
*/
|
|
|
|
#ifndef OB_EXPR_LOCATE_H_
|
|
#define OB_EXPR_LOCATE_H_
|
|
#include "sql/engine/expr/ob_expr_operator.h"
|
|
|
|
namespace oceanbase
|
|
{
|
|
namespace sql
|
|
{
|
|
class ObExprLocate : public ObLocationExprOperator
|
|
{
|
|
public:
|
|
explicit ObExprLocate(common::ObIAllocator &alloc);
|
|
virtual ~ObExprLocate();
|
|
virtual int calc_result_typeN(ObExprResType &type,
|
|
ObExprResType *types_array,
|
|
int64_t param_num,
|
|
common::ObExprTypeCtx &type_ctx) const;
|
|
private:
|
|
static const int8_t PARAM_NUM_TWO = 2;
|
|
static const int8_t PARAM_NUM_THREE = 3;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(ObExprLocate);
|
|
};
|
|
|
|
|
|
}//end of namespace sql
|
|
}//end of namespace oceanbase
|
|
|
|
#endif /* SRC_SQL_ENGINE_EXPR_OB_EXPR_LOCATE_H_ */
|