MySQL server has gone away<br>select classid,id,titleurl,title,newstime from ***_ecms_news   where  title like BINARY  '%天天直播%'  union select classid,id,titleurl,title,newstime from ***_ecms_lx  where  title like BINARY  '%天天直播%' union select classid,id,titleurl,title,newstime from ***_ecms_jj  where  title like BINARY  '%天天直播%' order by  newstime desc limit 0,20