http://www.mysqlperformanceblog.com/2008/09/12/what-bugs-makes-you-to-recomend-upgrade-most-frequently/ Everything about MySQL Performance Sat, 21 Nov 2009 05:23:57 -0800 http://wordpress.org/?v=2.8.4 hourly 1 http://www.mysqlperformanceblog.com/2008/09/12/what-bugs-makes-you-to-recomend-upgrade-most-frequently/comment-page-1/#comment-355359 Charles Mon, 15 Sep 2008 18:40:45 +0000 http://www.mysqlperformanceblog.com/?p=500#comment-355359 There's one fixed in the late 5.0.x series that breaks INSERT ... ON DUPLICATE KEY UPDATE when the query cache is enabled -- the cache doesn't get cleared, so it keeps returning the unupdated values. Absolutely infuriating! There’s one fixed in the late 5.0.x series that breaks INSERT … ON DUPLICATE KEY UPDATE when the query cache is enabled — the cache doesn’t get cleared, so it keeps returning the unupdated values. Absolutely infuriating!

]]>