cpp-exception

// use runtime_error throw information
if (SQLITE_OK != iRet)
{
    string strErr = fmt::format("statement has exception. errCode={}.errMsg={}", iRet, sqlite3_errmsg(m_pDb));
    throw std::runtime_error(strErr);
}
else
{
    m_flag |= FLAG_STMT_PREPARED;
    return 0;
}

// catch information write to log file
try 
{
    m_spSqlite->statement(L"SELECT * FROM t_geometric_coeff;");
    while (0 == m_spSqlite->execStep())
    {
        int         id = m_spSqlite->getColumn(0);
        wstring	  name = m_spSqlite->getColumn(1);
        wstring	  notes = m_spSqlite->getColumn(2);
        double dbValue = m_spSqlite->getColumn(3);
    }
}
catch (std::exception& e)
{
    g_logger->error("save geometric coeff failed. err={}", e.what());
}