Hi to all. I eventually solved the problem by adding a clearCache() after storing the object in the database. Still, I don't know what happened. Is this normal behavior ?
-----Message d'origine----- De : Patrick Prodhon [mailto:[EMAIL PROTECTED] Envoyé : jeudi 3 avril 2003 17:53 À : Ojb (E-mail) Objet : Problem with SELECT - UPDATE - SELECT cycle Hello. We're using OJB 0.9.7 and I am facing a weird error. I'm selecting data from one table, joining it on a second table using an inner join and retrieving one column from the second table. So I use a Criteria, and type something like "criteria.addEqualTo("joinTable.col", "somevalue");", as well as "criteria.addNotNull("joinTable.col");", depending on whether I need to filter on joinTable.col or get all results satisfying the join. This done, I retrieve a list of results, and I choose to update one of the results and the store it using broker.store(). And here comes the trouble : when I re-run my select, and when it gets to the element I have updated, well I realize that there's no result corresponding to the second table : the object stored in the first table's object is null. Here's some pseudo-code to help understand : criteria.addNotNull("joinTable.col"); iterator = broker.getIteratorByQuery(QueryFactory.newQuery(Table1.class, criteria)); // iterate over the iterator ... table1 = (Table1) iterator.next(); if (table1.getKey().equals("XXX")) { // modify ... // store after beginning transaction (actually, it is not table1 himself that is stored : copy(copy)... broker.store(table1); broker.commitTransaction(); } // Another go iterator = broker.getIteratorByQuery(QueryFactory.newQuery(Table1.class, criteria)); // iterate again table1 = (Table1) iterator.next(); if (table1.getKey().equals("XXX")) { table1.getJoinTable().setSomeColumn("Some data"); // raises NullPointerException for table1.getJoinTable() == null } Basically, it seems that I can't retrieve the joined table object associated with the object that has just been updated. Has anyone ever encountered this problem ? Has anyone got a clue of where the problem could be ? Thanks. Patrick. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
