The method you have chosen doesn't give unique pk values with more than one thread/user.
There are many many ways to do this right, including I think an id generator bean included with jboss. Look in the archives. david jencks On 2002.07.22 13:25:58 -0400 Dimitri PISSARENKO wrote: > Hello! > > I have a table in a mySQL database which I access through JBoss 3.0.0 > (by means of CMP entity beans). > > In this table I have an integer primary key. When creating a new > record in the table, I have to generate a new primary key with the > query > > SELECT MAX(projectPrimaryKey)+1 FROM projects > > This query is executed by a session bean which manages the CMP entity > bean associated with the projects table. > > Is it somehow possible to let JBoss do this query or implement it in > a database-independent manner? That is, that I have absolutely no SQL > statements in my source code. > > Is it perhaps possible to put the code in some configuration file of > the bean? > > Thanks > > Dimitri Pissarenko > > > ------------------------------------------------------- > This sf.net email is sponsored by:ThinkGeek > Welcome to geek heaven. > http://thinkgeek.com/sf > _______________________________________________ > JBoss-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-user > > ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
