08ce4daf创建于 2024年11月25日历史提交
/*

 * Copyright (c) 2021 Huawei Device Co., Ltd.

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#include "predicates_utils.h"



#include <sstream>



namespace OHOS {

namespace NativeRdb {

PredicatesUtils::PredicatesUtils()

{

}



/**

 * Set the param of whereClause and bindArgs of the specified Predicates.

 */

void PredicatesUtils::SetWhereClauseAndArgs(

    AbsPredicates *predicates, const std::string &whereClause, const std::vector<std::string> &whereArgs)

{

    predicates->SetWhereClause(whereClause);

    predicates->SetWhereArgs(whereArgs);

}



/**

 * Set the param of whereClause and bindArgs of the specified Predicates.

 */

void PredicatesUtils::SetWhereClauseAndArgs(

    AbsPredicates *predicates, const std::string &whereClause, const std::vector<ValueObject> &bindArgs)

{

    predicates->SetWhereClause(whereClause);

    predicates->SetBindArgs(bindArgs);

}



/**

 * Sets params of the specified Predicates including distinct, index, group, order, limit and offset.

 */

void PredicatesUtils::SetAttributes(AbsPredicates *predicates, bool isDistinct, const std::string &index,

    const std::string &group, const std::string &order, const int limit, const int offset)

{

    if (isDistinct) {

        predicates->Distinct();

    }

    if (!index.empty()) {

        predicates->IndexedBy(index);

    }

    if (!group.empty()) {

        std::vector<std::string> groupArray;

        std::istringstream iss(group);

        std::string temp;

        while (getline(iss, temp, ',')) {

            groupArray.push_back(temp);

        }

        predicates->GroupBy(groupArray);

    }

    if (!order.empty()) {

        predicates->SetOrder(order);

    }

    if (limit != AbsPredicates::INIT_LIMIT_VALUE) {

        predicates->Limit(limit);

    }

    if (offset != AbsPredicates::INIT_OFFSET_VALUE) {

        predicates->Offset(offset);

    }

}

} // namespace NativeRdb

} // namespace OHOS