Qt c++ - how to show a refcursor retrieving from a postgres stored procedure?

[panch-dima]

Maybe not relevant anymore)
I will write this for those who also stumbled upon this post.
I solved it in the following way.
Postgresql database
Version Qt6.4.1

QSqlQuery *query = new QSqlQuery(db);
    query->exec("call test_procedure(1, 'p_rc'); FETCH ALL p_rc;");
    if(query->lastError().isValid())
    {
        qDebug()<<query->lastError();
    }
    while (query->nextResult())
    {
        while (query->next()) {
 
            qDebug()<<query->value(1);
        }
    }

QSqlQuery *query = new QSqlQuery(db);
    query->exec("call test_procedure(1, 'p_rc'); FETCH ALL p_rc;");
    if(query->lastError().isValid())
    {
        qDebug()<<query->lastError();
    }
    while (query->nextResult())
    {
        while (query->next()) {
            
            qDebug()<<query->value(1);
        }
    }

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i am doing two consecutive requests
1. procedure call
2. reading the cursor.
and sequentially read the results of queries

while (query->nextResult())

while (query->nextResult())

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