public ColumnInfo columnQueryId() {
        return _columnQueryId;
    }

    public ColumnInfo columnQueryRequestedAt() {
        return _columnQueryRequestedAt;
    }

    public ColumnInfo columnRequestedAt() {
        return _columnRequestedAt;
    }

    public ColumnInfo columnUrl() {
        return _columnUrl;
    }

    public ColumnInfo columnUserSessionId() {

    }

    public ColumnInfo columnQueryTime() {
        return _columnQueryTime;
    }

    public ColumnInfo columnReferer() {
        return _columnReferer;
    }

    public ColumnInfo columnRequestedAt() {
        return _columnRequestedAt;
    }

    public ColumnInfo columnResponseTime() {
        return _columnResponseTime;
    }

    public ColumnInfo columnRoles() {

            cb.specify().columnUserSessionId();
            cb.specify().columnHitCount();
            cb.specify().columnClientIp();
            cb.specify().columnSearchWord();
            cb.specify().columnRequestedAt();
            cb.specify().columnHitCount();
            cb.specify().columnVirtualHost();
            cb.specify().columnLanguages();
            cb.specify().columnRoles();