61 lines
1.9 KiB
C++
61 lines
1.9 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 OCEANBASE_SQL_OB_EXPR_STR_TO_DATE_H_
|
|
#define OCEANBASE_SQL_OB_EXPR_STR_TO_DATE_H_
|
|
|
|
#include "sql/engine/expr/ob_expr_operator.h"
|
|
#include "sql/engine/expr/ob_expr_to_temporal_base.h"
|
|
|
|
namespace oceanbase
|
|
{
|
|
namespace sql
|
|
{
|
|
class ObExprStrToDate : public ObFuncExprOperator
|
|
{
|
|
public:
|
|
explicit ObExprStrToDate(common::ObIAllocator &alloc);
|
|
virtual ~ObExprStrToDate();
|
|
virtual int calc_result_type2(ObExprResType &type,
|
|
ObExprResType &date,
|
|
ObExprResType &format,
|
|
common::ObExprTypeCtx &type_ctx) const;
|
|
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
|
|
ObExpr &rt_expr) const override;
|
|
private:
|
|
// disallow copy
|
|
DISALLOW_COPY_AND_ASSIGN(ObExprStrToDate);
|
|
};
|
|
|
|
class ObExprOracleToDate : public ObExprToTemporalBase
|
|
{
|
|
public:
|
|
explicit ObExprOracleToDate(common::ObIAllocator &alloc) :
|
|
ObExprToTemporalBase(alloc, T_FUN_SYS_TO_DATE, N_TO_DATE)
|
|
{
|
|
}
|
|
virtual ~ObExprOracleToDate() {}
|
|
|
|
int set_my_result_from_ob_time(common::ObExprCtx &expr_ctx,
|
|
common::ObTime &ob_time,
|
|
common::ObObj &result) const;
|
|
common::ObObjType get_my_target_obj_type() const
|
|
{
|
|
return common::ObDateTimeType;
|
|
}
|
|
|
|
};
|
|
|
|
} //sql
|
|
} //oceanbase
|
|
#endif //OCEANBASE_SQL_OB_EXPR_STR_TO_DATE_H_
|