60 lines
1.7 KiB
C++
60 lines
1.7 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.
|
|
*/
|
|
|
|
#define USING_LOG_PREFIX SQL_ENG
|
|
|
|
#include "lib/oblog/ob_log.h"
|
|
#include "lib/number/ob_number_v2.h"
|
|
#include "sql/engine/expr/ob_expr_tan.h"
|
|
#include "sql/engine/expr/ob_expr_util.h"
|
|
#include "objit/common/ob_item_type.h"
|
|
#include "sql/session/ob_sql_session_info.h"
|
|
#include <math.h>
|
|
|
|
namespace oceanbase
|
|
{
|
|
using namespace common;
|
|
using namespace common::number;
|
|
namespace sql
|
|
{
|
|
|
|
ObExprTan::ObExprTan(ObIAllocator &alloc)
|
|
: ObFuncExprOperator(alloc, T_FUN_SYS_TAN, N_TAN, 1, VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION)
|
|
{
|
|
}
|
|
|
|
ObExprTan::~ObExprTan()
|
|
{
|
|
}
|
|
|
|
int ObExprTan::calc_result_type1(ObExprResType &type,
|
|
ObExprResType &radian,
|
|
ObExprTypeCtx &type_ctx) const
|
|
{
|
|
return calc_trig_function_result_type1(type, radian, type_ctx);
|
|
}
|
|
|
|
DEF_CALC_TRIGONOMETRIC_EXPR(tan, (isinf(arg) || isnan(arg)), OB_OPERATE_OVERFLOW);
|
|
|
|
int ObExprTan::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
|
|
ObExpr &rt_expr) const
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
UNUSED(expr_cg_ctx);
|
|
UNUSED(raw_expr);
|
|
rt_expr.eval_func_ = calc_tan_expr;
|
|
return ret;
|
|
}
|
|
|
|
} /* sql */
|
|
} /* oceanbase */
|