def mk_delete(db, table, cond=None):

    '''

    @param cond sql_gen.Code WHERE condition. e.g. use sql_gen.*Cond objects.

    @return str query

    '''

    query = 'DELETE FROM '+table.to_str(db)

    if cond != None: query += '\nWHERE '+cond.to_str(db)

    query = with_explain_comment(db, query)

    return query

def delete(db, table, *args, **kw_args):

    '''For params, see mk_delete() and run_query()'''

    recover = kw_args.pop('recover', None)

    cacheable = kw_args.pop('cacheable', False)

    log_level = kw_args.pop('log_level', 2)

    cur = run_query(db, mk_delete(db, table, *args, **kw_args), recover,

        cacheable, log_level=log_level)

    autoanalyze(db, table)

    return cur