65 lines
2.2 KiB
C++
65 lines
2.2 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_ORACLE_TRUNC_H_
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#define _OCEANBASE_SQL_OB_EXPR_ORACLE_TRUNC_H_
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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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namespace oceanbase
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{
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namespace sql
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{
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class ObExprOracleTrunc : public ObFuncExprOperator
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{
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public:
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explicit ObExprOracleTrunc(common::ObIAllocator &alloc);
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explicit ObExprOracleTrunc(common::ObIAllocator &alloc, const char *name);
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virtual ~ObExprOracleTrunc() {}
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virtual int calc_result_typeN(ObExprResType &type,
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ObExprResType *params,
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int64_t params_count,
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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;
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virtual bool need_rt_ctx() const override { return true; }
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protected:
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int calc_with_date(common::ObObj &result,
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const common::ObObj &source,
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const common::ObObj &format,
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common::ObExprCtx &expr_ctx) const;
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int calc_with_decimal(common::ObObj &result,
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const common::ObObj &source,
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const common::ObObj &format,
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common::ObExprCtx &expr_ctx) const;
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObExprOracleTrunc);
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};
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class ObExprTrunc : public ObExprOracleTrunc
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{
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public:
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explicit ObExprTrunc(common::ObIAllocator &alloc);
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virtual ~ObExprTrunc() {}
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObExprTrunc);
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};
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} //sql
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} //oceanbase
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#endif //_OCEANBASE_SQL_OB_EXPR_ORACLE_TRUNC_H_
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