log_line log_part        log_time         log_idle_msecs log_level log_mark log_comment log_tags log_filters log_msg_format log_format 
       0   <NULL> 2009-07-20 22:59:26.000              0 info             0      <NULL>   <NULL>      <NULL>                access_log 
       1   <NULL> 2009-07-20 22:59:29.000           3000 error            0      <NULL>   <NULL>      <NULL>                access_log 
       2   <NULL> 2009-07-20 22:59:29.000              0 info             0      <NULL>   <NULL>      <NULL>                access_log 
       3   <NULL> 2013-02-15 06:00:31.000   112777262000 error            0      <NULL>   <NULL>      <NULL>                access_log