Oracle OCCI'选择计数（*）'获取结果

Question

How can I get there results of the query execution - select count (*) from myTable ? The code is:

... 
oc::Statement* stmt = 
    m_cConnection->createStatement(select count (*) from myTable);

oc::ResultSet* res = stmt->executeQuery();
...

How can I get the value of the row count in res ?

Answer 1

Just write

cout << res->getString(1) << endl;

or

cout << "\t... MySQL counts: " << res->getInt(1) << endl;