thanx for all the replies. i found the solution with a single select and update, it was a simple update(how did i miss tht???) but what if i want to do a compelete transaction with row level locking in consideration, as thr can be time lag between the queries(select and update) so a row level locking.
On Fri, 2004-04-16 at 21:42, Paul DuBois wrote: > At 18:57 +0530 4/16/04, Sahil Aggarwal wrote: > >hi all, > > > >i have select statements in my java code which are followed by updates > >in my Innodb table. > >the desired behaviour shud have been > >check and then update > >but because of tomcat accepting connections the above becomes > >check check update update > >i dont want to set the table locking, as it will make the system slower > >how can i set exclusive row locking until the update is finished? > > Have you tried using SELECT ... FOR UPDATE? > > > -- > Paul DuBois, MySQL Documentation Team > Madison, Wisconsin, USA > MySQL AB, www.mysql.com Sahil Aggarwal www.vfirst.com
