cc1b65e578
Co-authored-by: DengzhiLiu <dengzhiliu@gmail.com> Co-authored-by: Zach41 <zach_41@163.com> Co-authored-by: tushicheng <18829573815@163.com>
115 lines
4.2 KiB
C++
115 lines
4.2 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_ENGINE_EXPR_OB_EXPR_FUNC_CEIL_
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#define OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_FUNC_CEIL_
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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 ObExprCeilFloor : public ObFuncExprOperator
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{
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static const int16_t MAX_LIMIT_WITH_SCALE = 17;
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static const int16_t MAX_LIMIT_WITHOUT_SCALE = 18;
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public:
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ObExprCeilFloor(common::ObIAllocator &alloc,
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ObExprOperatorType type,
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const char *name,
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int32_t param_num,
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int32_t dimension = NOT_ROW_DIMENSION);
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virtual ~ObExprCeilFloor();
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virtual int calc_result_type1(ObExprResType &type,
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ObExprResType &type1,
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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 int ceil_floor_decint(
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const bool is_floor, const ObDatum *arg_datum,
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const ObDatumMeta &in_meta, const ObDatumMeta &out_meta,
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ObDatum &res_datum);
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template <typename LeftVec, typename ResVec>
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static int inner_calc_ceil_floor_vector(const ObExpr &expr,
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int intput_type,
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ObEvalCtx &ctx,
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const ObBitVector &skip,
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const EvalBound &bound);
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static int calc_ceil_floor_vector(const ObExpr &expr,
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ObEvalCtx &ctx,
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const ObBitVector &skip,
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const EvalBound &bound);
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template <typename LeftVec, typename ResVec, bool IS_FLOOR>
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static int ceil_floor_decint_vector(const ObDatumMeta &in_meta,
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const ObDatumMeta &out_meta,
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LeftVec *left_vec,
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ResVec *res_vec,
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const int64_t &idx);
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static int inner_calc_ceil_floor_fixed_vector(const ObExpr &expr,
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ObEvalCtx &ctx,
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const ObBitVector &skip,
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const EvalBound &bound);
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObExprCeilFloor);
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};
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class ObExprFuncCeil : public ObExprCeilFloor
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{
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public:
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explicit ObExprFuncCeil(common::ObIAllocator &alloc);
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virtual ~ObExprFuncCeil();
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virtual int calc_result_type1(ObExprResType &type,
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ObExprResType &type1,
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common::ObExprTypeCtx &type_ctx) const;
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObExprFuncCeil);
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};
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class ObExprFuncCeiling : public ObExprCeilFloor
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{
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public:
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explicit ObExprFuncCeiling(common::ObIAllocator &alloc);
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virtual ~ObExprFuncCeiling();
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virtual int calc_result_type1(ObExprResType &type,
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ObExprResType &type1,
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common::ObExprTypeCtx &type_ctx) const;
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObExprFuncCeiling);
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};
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class ObExprFuncFloor : public ObExprCeilFloor
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{
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public:
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explicit ObExprFuncFloor(common::ObIAllocator &alloc);
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virtual ~ObExprFuncFloor();
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virtual int calc_result_type1(ObExprResType &type,
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ObExprResType &type1,
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common::ObExprTypeCtx &type_ctx) const;
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObExprFuncFloor);
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};
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} // namespace sql
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} // namespace oceanbase
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#endif // OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_FUNC_CEIL_
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