show binlog events 的信息

 UNKNOWN_EVENT= 0,
 START_EVENT_V3= 1,
 QUERY_EVENT= 2,
 STOP_EVENT= 3,
 ROTATE_EVENT= 4,
 INTVAR_EVENT= 5,
 LOAD_EVENT= 6,
 SLAVE_EVENT= 7,  /* Unused. Slave_log_event code has been removed. (15th Oct. 2010) */
 CREATE_FILE_EVENT= 8,
 APPEND_BLOCK_EVENT= 9,
 EXEC_LOAD_EVENT= 10,
 DELETE_FILE_EVENT= 11,