55 lines
2.1 KiB
C++
55 lines
2.1 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 _OCEANBASE_SQL_OB_EXPR_TIME_STMAP_ADD_H_
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#define _OCEANBASE_SQL_OB_EXPR_TIME_STMAP_ADD_H_
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#define USING_LOG_PREFIX SQL_ENG
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#include "lib/ob_name_def.h"
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#include "share/object/ob_obj_cast.h"
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#include "sql/engine/expr/ob_expr_operator.h"
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#include "sql/session/ob_sql_session_info.h"
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namespace oceanbase
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{
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namespace common
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{
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struct ObTimeConvertCtx;
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}
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namespace sql
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{
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class ObExprTimeStampAdd : public ObFuncExprOperator
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{
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public:
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explicit ObExprTimeStampAdd(common::ObIAllocator &alloc);
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virtual ~ObExprTimeStampAdd();
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virtual int calc_result_type3(ObExprResType &type,
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ObExprResType &unit,
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ObExprResType &interval,
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ObExprResType ×tamp,
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common::ObExprTypeCtx &type_ctx) const;
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virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
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ObExpr &rt_expr) const override;
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static void check_reset_status(const common::ObCastMode cast_mode,
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int &ret, common::ObObj &result);
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static int calc(const int64_t unit_value, common::ObTime &ot, const int64_t ts,
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const common::ObTimeConvertCtx &cvrt_ctx, int64_t interval,
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int64_t &delta);
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virtual int is_valid_for_generated_column(const ObRawExpr*expr, const common::ObIArray<ObRawExpr *> &exprs, bool &is_valid) const;
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObExprTimeStampAdd);
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};
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} //sql
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} //oceanbase
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#endif //_OCEANBASE_SQL_OB_EXPR_TIME_STMAP_ADD_H_
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