@Override
    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(createdBy);
        sb.append(dm).append(createdTime);
        sb.append(dm).append(fileConfigId);
        sb.append(dm).append(hostname);
        sb.append(dm).append(parameters);
        sb.append(dm).append(password);
        sb.append(dm).append(port);
        sb.append(dm).append(protocolScheme);

    @Override
    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(createdBy);
        sb.append(dm).append(createdTime);
        sb.append(dm).append(expiredTime);
        sb.append(dm).append(name);
        sb.append(dm).append(parameterName);
        sb.append(dm).append(permissions);
        sb.append(dm).append(token);
        sb.append(dm).append(updatedBy);

    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(urlId);
        sb.append(dm).append(docId);
        sb.append(dm).append(order);
        sb.append(dm).append(queryId);
        sb.append(dm).append(queryRequestedAt);
        sb.append(dm).append(requestedAt);
        sb.append(dm).append(url);
        sb.append(dm).append(userSessionId);

    @Override
    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(configId);
        sb.append(dm).append(errorCount);
        sb.append(dm).append(errorLog);
        sb.append(dm).append(errorName);
        sb.append(dm).append(lastAccessTime);
        sb.append(dm).append(threadName);
        sb.append(dm).append(url);
        if (sb.length() > dm.length()) {

    @Override
    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(createdTime);
        sb.append(dm).append(expiredTime);
        sb.append(dm).append(name);
        sb.append(dm).append(sessionId);
        if (sb.length() > dm.length()) {
            sb.delete(0, dm.length());
        }
        sb.insert(0, "{").append("}");

    @Override
    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(crawlingInfoId);
        sb.append(dm).append(createdTime);
        sb.append(dm).append(key);
        sb.append(dm).append(value);
        if (sb.length() > dm.length()) {
            sb.delete(0, dm.length());
        }
        sb.insert(0, "{").append("}");

// Unlock unlocks the write lock.
//
// It is a run-time error if dm is not locked on entry to Unlock.
func (dm *DRWMutex) Unlock(ctx context.Context) {
	dm.m.Lock()
	dm.cancelRefresh()
	dm.m.Unlock()

	restClnts, owner := dm.clnt.GetLockers()
	// create temp array on stack
	locks := make([]string, len(restClnts))

	{
		dm.m.Lock()
		defer dm.m.Unlock()

        sb.append(dm).append(excludedPaths);
        sb.append(dm).append(includedDocPaths);
        sb.append(dm).append(includedPaths);
        sb.append(dm).append(intervalTime);
        sb.append(dm).append(maxAccessCount);
        sb.append(dm).append(name);
        sb.append(dm).append(numOfThread);
        sb.append(dm).append(paths);
        sb.append(dm).append(permissions);
        sb.append(dm).append(sortOrder);

        sb.append(dm).append(excludedUrls);
        sb.append(dm).append(includedDocUrls);
        sb.append(dm).append(includedUrls);
        sb.append(dm).append(intervalTime);
        sb.append(dm).append(maxAccessCount);
        sb.append(dm).append(name);
        sb.append(dm).append(numOfThread);
        sb.append(dm).append(permissions);
        sb.append(dm).append(sortOrder);
        sb.append(dm).append(timeToLive);

    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(boost);
        sb.append(dm).append(createdBy);
        sb.append(dm).append(createdTime);
        sb.append(dm).append(maxSize);
        sb.append(dm).append(query);
        sb.append(dm).append(term);
        sb.append(dm).append(updatedBy);
        sb.append(dm).append(updatedTime);