Hello.
This is a bug: http://bugs.mysql.com/bug.php?id=16249 Leo wrote: > Hi All, > > I got a problem with a query that involved datetime field. > the table structure goes something like this : > > CREATE TABLE `price_log` ( `Item` > char(20) NOT NULL default '', `Started` > datetime NOT NULL default '0000-00-00 00:00:00', `Price` decimal(16,3) > NOT NULL default '0.000', PRIMARY KEY > (`Item`,`Started`) ) ENGINE=MyISAM; > insert into price_log values > ("A1","2005-11-01 08:00:00",1000), > ("A1","2005-11-15 00:00:00",2000), > ("A1","2005-12-12 08:00:00",3000), > ("A2","2005-12-01 08:00:00",1000); > > when i execute this query : > > select * > from price_log > where > item like "A%" > and started<="2005-12-01 24:00:00"; > > it will return this result set : > Item Started Price ------ ------------------- -------- > A1 2005-11-01 08:00:00 1000.000 > A1 2005-11-15 00:00:00 2000.000 > A2 2005-12-01 08:00:00 1000.000 > > > but, when i limited to certain item, like this : > > select * > from price_log > where > item="A1" > and started<="2005-12-01 24:00:00"; > > it return an empty set. > > What is going wrong? > I know it should return 2 rows, as the previous sql result set got two > rows of item 'A1'. > > is it because the value of "2005-12-01 24:00:00" which ofcourse is not a > valid date time value. > but anyhow, the first query was succeded ?? > > im using mysql 4.1.11, 4.1.15, 4.0.1 .. and the result were all the same. > > Thanks for any comment. > > > - > Leo > -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.NET http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Gleb Paharenko / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.NET <___/ www.mysql.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
