How to insert data from QtableView into sql query?

Question

SQL

Hello, there is a tableView in it, one column in which you can add values, you need to execute the following request by clicking on the button:

SELECT reservtable.sudovlad, reservtable.summa, reservtable.years, reservtable2.summa2, reservtable2.years2
FROM(
  SELECT sudovlad, Sum(gruz_pass) AS summa, Extract(YEAR from data_vih_p_ot ) AS years 
  FROM ships WHERE sudovlad = 'pere' 
  GROUP by Extract(YEAR from data_vih_p_ot )
    ) reservtable,
    (SELECT sudovlad, Sum(gruz_pass) AS summa2, Extract(YEAR from data_vih_p_ot ) AS years2 
  FROM ships WHERE sudovlad = 'pere' 
  GROUP by Extract(YEAR from data_vih_p_ot )
    ) reservtable2
WHERE reservtable.years=2018 AND reservtable2.years2=2017

Where together "pere" you need to insert all the values ​​from the tableView. How can this be done?
PS the substitution, instead of performance of request interests.

Answer 1

void currencysViewDialog::getCurrenciesID(){
    QModelIndex currensyIndex = ui->currenciesTableView->currentIndex();
    int selectedRow = currensyIndex.row();
    int selectedColumn = 0;
    currensyCurrentID =ui->currenciesTableView->model()->data(ui->currenciesTableView->model()->index(selectedRow,selectedColumn)).toInt();
    qDebug() << trUtf8("Current ID:") << currensyCurrentID;
}

void currencysViewDialog::currensiesModify(){

    getCurrenciesID();
    QSqlQuery *getCurrencies = new QSqlQuery;
    getCurrencies->prepare("SELECT "
                           "currency_id, "
                           "currency_name, "
                           "currency_altname, "
                           "currency_rate, "
                           "currency_national, "
                           "currency_code "
                           "FROM "
                           "currencies "
                           "WHERE "
                           "deleted='false' "
                           "AND currency_id=:currensyCurrentID");
    getCurrencies->bindValue(":currensyCurrentID",currensyCurrentID);
    getCurrencies->exec();
//    if(getCurrencies->lastError().isValid())
        qDebug() << trUtf8("Запрос:") << getCurrencies->executedQuery();
        qDebug() << trUtf8("Error:") << getCurrencies->lastError();
        while(getCurrencies->next()){
            currensyID = getCurrencies->value(0).toInt();
            currensyName = getCurrencies->value(1).toString();
            currensAltName = getCurrencies->value(2).toString();
            currensyRate = getCurrencies->value(3).toDouble();
            currensyNational = getCurrencies->value(4).toBool();
            currensyCode = getCurrencies->value(5).toInt();
            qDebug() << trUtf8("ID:") << currensyID;
            qDebug() << trUtf8("Имя валюты:") << currensyName;
            qDebug() << trUtf8("AltName:") << currensAltName;
            qDebug() << trUtf8("Rate:") << currensyRate;
            qDebug() << trUtf8("National:") << currensyNational;
            qDebug() << trUtf8("Code:") << currensyCode;
        }

    currencysChangeDialog dialog(this);
    dialog.currensiesEdit(currensyID,currensyName,currensAltName,currensyRate,currensyNational,currensyCode);
    dialog.exec();
    if(dialog.close())
    getCurrenciesList();
}