LIMIT in subquery or GROUP_CONCAT

2005-11-16 Thread Peter Brodersen
, but even though there is an ORDER option, there is no LIMIT option here (feature request? :-) ) Maybe using a variable to keep track of internal count... -- - Peter Brodersen -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com

Reason for a slow remove index-operation?

2004-09-22 Thread Peter Brodersen
-issue, since the file is pretty small and the cpu is utilized (instead of a high iowait-state). What is the reason for an index drop to take that amount of time? (I'm not dropping indexes on a daily basis - my question is mainly out of curiousity :) ) -- - Peter Brodersen -- MySQL General

LEFT() doesn't use index?

2003-07-25 Thread Peter Brodersen
Hi, I was using a 4.0.13-server and wondering about why LEFT() doesn't take advantage of an index, the way .. LIKE X% .. does. I was wondering if there would be any effort in implementing this optimisation, or if people should just be encouraged to use LIKE (as bug #747 mentions)? -- - Peter