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

43 lines
1.4 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_SQL_EXPR_INNER_TRIM_H_
#define _OB_SQL_EXPR_INNER_TRIM_H_
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase
{
namespace sql
{
class ObExprInnerTrim : public ObStringExprOperator
{
public:
explicit ObExprInnerTrim(common::ObIAllocator &alloc);
virtual ~ObExprInnerTrim();
virtual int calc_result_type3(ObExprResType &type,
ObExprResType &trim_type,
ObExprResType &trim_pattern,
ObExprResType &text,
common::ObExprTypeCtx &type_ctx) const;
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
private:
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObExprInnerTrim);
};
}
}
#endif /* _OB_SQL_EXPR_TRIM_H_ */