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src/sql/engine/expr/ob_expr_mod.h Normal file
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/**
* 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_MOD_H_
#define _OB_EXPR_MOD_H_
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase {
namespace sql {
class ObExprMod : public ObArithExprOperator {
public:
ObExprMod();
explicit ObExprMod(common::ObIAllocator& alloc);
virtual ~ObExprMod(){};
virtual int calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_result2(
common::ObObj& res, const common::ObObj& ojb1, const common::ObObj& obj2, common::ObExprCtx& expr_ctx) const;
static int calc(common::ObObj& res, const common::ObObj& ojb1, const common::ObObj& obj2,
common::ObIAllocator* allocator, common::ObScale scale);
static int mod_int_int(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int mod_int_uint(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int mod_uint_int(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int mod_uint_uint(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int mod_float(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int mod_double(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int mod_number(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
// temporary used, remove after all expr converted
virtual int cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const override;
private:
OB_INLINE static int mod_int(common::ObObj& res, const common::ObObj& left, const common::ObObj& right,
common::ObIAllocator* allocator, common::ObScale scale);
OB_INLINE static int mod_uint(common::ObObj& res, const common::ObObj& left, const common::ObObj& right,
common::ObIAllocator* allocator, common::ObScale scale);
static int mod_float(common::ObObj& res, const common::ObObj& left, const common::ObObj& right,
common::ObIAllocator* allocator, common::ObScale scale);
static int mod_double(common::ObObj& res, const common::ObObj& left, const common::ObObj& right,
common::ObIAllocator* allocator, common::ObScale scale);
static int mod_number(common::ObObj& res, const common::ObObj& left, const common::ObObj& right,
common::ObIAllocator* allocator, common::ObScale scale);
DISALLOW_COPY_AND_ASSIGN(ObExprMod);
private:
static ObArithFunc mod_funcs_[common::ObMaxTC];
};
} // namespace sql
} // namespace oceanbase
#endif /* _OB_EXPR_MOD_H_ */