/**

* 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 "sql/engine/sort/ob_base_sort.h"

#include "common/object/ob_obj_compare.h"

#include "common/row/ob_row_util.h"

#include "share/ob_cluster_version.h"

using namespace oceanbase::sql;

using namespace oceanbase::common;

DEFINE_SERIALIZE(ObSortColumn)

{

int ret = OB_SUCCESS;

int32_t cs_type_int = static_cast<int32_t>(cs_type_);

OB_UNIS_ENCODE(index_);

OB_UNIS_ENCODE(cs_type_int);

bool is_asc = true;

if ((extra_info_ & ObSortColumnExtra::SORT_COL_ASC_BIT) > 0) {

is_asc = true;

} else {

is_asc = false;

}

if ((extra_info_ & ObSortColumnExtra::SORT_COL_EXTRA_BIT) > 0) {

OB_UNIS_ENCODE(extra_info_);

BASE_SER((ObSortColumn, ObSortColumnExtra));

} else {

OB_UNIS_ENCODE(is_asc);

}

return ret;

}

DEFINE_DESERIALIZE(ObSortColumn)

{

int ret = OB_SUCCESS;

int32_t cs_type_int = 0;

OB_UNIS_DECODE(index_);

OB_UNIS_DECODE(cs_type_int);

cs_type_ = static_cast<ObCollationType>(cs_type_int);

uint8_t extra_char = 0;

OB_UNIS_DECODE(extra_char);

if (OB_SUCC(ret)) {

extra_info_ = extra_char;

if ((extra_char & ObSortColumnExtra::SORT_COL_EXTRA_BIT) > 0) {

BASE_DESER((ObSortColumn, ObSortColumnExtra));

} else {

// do nothing

}

}

return ret;

}

DEFINE_GET_SERIALIZE_SIZE(ObSortColumn)

{

int64_t len = 0;

int32_t cs_type_int = static_cast<int32_t>(cs_type_);

OB_UNIS_ADD_LEN(index_);

OB_UNIS_ADD_LEN(cs_type_int); // for cs_type_.

OB_UNIS_ADD_LEN(extra_info_);

if ((extra_info_ & ObSortColumnExtra::SORT_COL_EXTRA_BIT) > 0) {

BASE_ADD_LEN((ObSortColumn, ObSortColumnExtra));

}

return len;

}

OB_SERIALIZE_MEMBER(ObSortColumnExtra, obj_type_, order_type_);