mysql manually removes the BINLOG method

Execute the following command in MySQL:

 PURGE {MASTER | BINARY} LOGS TO  ' log_name'

 PURGE {MASTER | BINARY} LOGS BEFORE  ' date'

 PURGE {MASTER|BINARY} LOGS BEFORE DATE_SUB(NOW(),INTERVAL 7 DAY);

 mysql>PURGE MASTER LOGS TO  ' mysql-bin.010 ' ;

 mysql>PURGE MASTER LOGS BEFORE  ' 2008-06-22 13:00:00 ' ;

 mysql>PURGE MASTER LOGS BEFORE DATE_SUB( NOW( ), INTERVAL 7 DAY);