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

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3.4 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_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;
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];
};
}
}
#endif /* _OB_EXPR_MOD_H_ */