hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

init push

Browse Source
This commit is contained in:
oceanbase-admin
2021-05-31 22:56:52 +08:00
commit cea7de1475
7020 changed files with 5689869 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
src/sql/engine/expr/ob_expr_func_round.h Normal file
View File

@ -0,0 +1,54 @@
/**
* 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 OCEANBASE_SQL_ENGINE_OB_SQL_EXPR_FUNC_ROUND_
#define OCEANBASE_SQL_ENGINE_OB_SQL_EXPR_FUNC_ROUND_
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase {
namespace sql {
#define ROUND_MIN_SCALE -30
#define ROUND_MAX_SCALE 30
class ObExprFuncRound : public ObFuncExprOperator {
public:
explicit ObExprFuncRound(common::ObIAllocator& alloc);
virtual ~ObExprFuncRound();
virtual int calc_result_typeN(
ObExprResType& type, ObExprResType* types, int64_t param_num, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_resultN(
common::ObObj& result, const common::ObObj* objs, int64_t param_num, common::ObExprCtx& expr_ctx) const;
virtual int cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const override;
private:
int calc_result1(common::ObObj& result, const common::ObObj& input, common::ObExprCtx& expr_ctx) const;
int calc_result2(
common::ObObj& result, const common::ObObj& input, const common::ObObj& param, common::ObExprCtx& expr_ctx) const;
int set_round_val(common::number::ObNumber& nmb, common::ObObj& result, common::ObExprCtx& cast_ctx) const;
int calc_with_date(common::ObObj& result, const common::ObObj& source, const common::ObObj& format,
common::ObExprCtx& expr_ctx) const;
int calc_with_decimal(
common::ObObj& result, const common::ObObj& input, const common::ObObj& param, common::ObExprCtx& expr_ctx) const;
// engine 3.0
int se_deduce_type(
ObExprResType& type, ObExprResType* params, int64_t param_num, common::ObExprTypeCtx& type_ctx) const;
static int set_res_scale_prec(common::ObExprTypeCtx& type_ctx, ObExprResType* params, int64_t param_num,
const common::ObObjType& res_type, ObExprResType& type);
static int set_res_and_calc_type(ObExprResType* params, int64_t param_num, common::ObObjType& res_type);
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObExprFuncRound);
};
} // namespace sql
} // namespace oceanbase
#endif // OCEANBASE_SQL_ENGINE_OB_SQL_EXPR_FUNC_ROUND_