QString QDjangoCompiler::databaseColumn(const QString &name)
{
    QDjangoMetaModel model = baseModel;
    QString modelPath;
    QString modelRef = referenceModel(QString(), &model);
    QStringList bits = name.split(QLatin1String("__"));

    while (bits.size() > 1) {
        const QByteArray fk = bits.first().toLatin1();
        QDjangoMetaModel foreignModel;
        if (!model.foreignFields().contains(fk)) {
            // this might be a reverse relation, so look for the model
            // and if it exists continue
            foreignModel = QDjango::metaModel(fk);
            if (!foreignModel.isValid())
                break;

            reverseModelRefs[bits.first()] = foreignModel.primaryKey();
        } else {
            foreignModel = QDjango::metaModel(model.foreignFields()[fk]);
        }

        // store reference
        if (!modelPath.isEmpty())
            modelPath += QLatin1String("__");
        modelPath += bits.first();
        modelRef = referenceModel(modelPath, &foreignModel);

        model = foreignModel;
        bits.takeFirst();
    }

    const QDjangoMetaField field = model.localField(bits.join(QLatin1String("__")).toLatin1());
    return modelRef + QLatin1Char('.') + driver->escapeIdentifier(field.column(), QSqlDriver::FieldName);
}