@classmethod
def _build_query(cls, table, select_clause, **kwds_filter):
    """Return 'SELECT' query."""
    query = 'SELECT ' + select_clause + ' FROM ' + table
    where_clause, params = cls._build_where_clause(**kwds_filter)
    if where_clause:
        query = query + ' WHERE ' + where_clause
    return query, params
