As part of adding per query table/index statistics I added a per thread query_id. This would serve your purpose too. You could do kill connection_id query_id and be guaranteed of killing the query you want on a specific connection.
On Fri, Aug 16, 2013 at 2:31 PM, Roberto Spadim <robe...@spadim.com.br> wrote: > Hi guys i was mailing at maria-discuss, but i think it a new feature, and > want some view point from developers... > check this problem: > > connection 1) big select... > connection 2) show processlist > connection 1) other query > connection 2) kill connection 1 id (i take +- 1 second between show > processlist and this command) > connection 1) killed > > the problem? the kill connection 1 (KILL thread_id) killed the wrong query > could we implement something like: > > KILL [CONNECTION | QUERY] thread_id [QUERY "some relative unique query id in > this database"] > > the relative unique query id, could be: > substr(sha1 or md5 of (thread_id + query start time),0,6) (6 hex numbers is > good?) > it's like a git small hash commit id, > maybe we could make it more unique... but since i will not use it very > often, i think a less intensive work is nice here... a global query id could > add more one lock for every query... > > example: > KILL 1 QUERY "abcdef" > > the "abcdef" = substr(MD5( thread id + query start time ),0,6) > > we could add client ip or others unique information about this query, but > something that don't increase (ok just a little) the load of a show > processlist / select * from information_schema > > thanks > > -- > Roberto Spadim > > _______________________________________________ > Mailing list: https://launchpad.net/~maria-developers > Post to : maria-developers@lists.launchpad.net > Unsubscribe : https://launchpad.net/~maria-developers > More help : https://help.launchpad.net/ListHelp > -- Eric Bergen eric.ber...@gmail.com http://www.ebergen.net _______________________________________________ Mailing list: https://launchpad.net/~maria-developers Post to : maria-developers@lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-developers More help : https://help.launchpad.net/ListHelp
