Hi Jérémy, I've never used it, but Andrus (and others) have a project called LinkMove which may work:
https://github.com/nhl/link-move I don't see a way to re-use a Cayenne model as the source AND the target, but perhaps that is also an option (instead of the XML source), too. On Fri, Apr 16, 2021 at 4:14 AM Jérémy DE ROYER <jeremy.dero...@ingencys.net> wrote: > Sorry, please read > > « Migrate from FrontbaseSQL to PostgreSQL » 😄 > > Jérémy > > > Le 16 avr. 2021 à 10:04, Jérémy DE ROYER <jeremy.dero...@ingencys.net> > a écrit : > > > > Hi Hugi, > > > > Unfortunately, I think you’re right. > > > > I wanted to leave FrontbaseSQL too but as Andrus say, the meeting in > Frankfurt help me to resolve some cases and finally we keep our softwares > using FrontbaseSQL. > > > > According to your experience, is there an easy way to migrate/transfert > from PostgreSQL to FrontBaseSQL ? > > > > It could respond to the request from developers to have access to > programming tools with the database, not offered by FrontbaseSQL. > > > > Thank’s for this highlight, > > > > Jérémy > > > >> Le 16 avr. 2021 à 09:53, Hugi Thordarson <h...@karlmenn.is> a écrit : > >> > >> Hi Jérémy, > >> > >> I believe you hit a bug in the FrontBase JDBC driver: > >> https://issues.apache.org/jira/browse/CAY-2574 < > https://issues.apache.org/jira/browse/CAY-2574> > >> > >> Andrus wrote to FrontBase about this after our Frankfurt meetup: > >> > https://mail-archives.apache.org/mod_mbox/cayenne-dev/201905.mbox/%3C52EC2486-4736-4854-AE49-A7CF77904E52%40objectstyle.org%3E > <https://mail-archives.apache.org/mod_mbox/cayenne-dev/201905.mbox/browser > > > >> > >> I haven't seen anything from FB about this since this thread, perhaps > you should give their support a check? > >> I also wrote to them last year about their JDBC driver not working on > more recent Java versions, but don't think they've fixed it. I ended up > migrating that one last FrontBase app to Postgres. > >> > >> Cheers, > >> - hugi > >> > >> > >> > >>> On 15 Apr 2021, at 20:59, Jérémy DE ROYER <jeremy.dero...@ingencys.net> > wrote: > >>> > >>> Hi John, > >>> > >>> I know that FrontbaseSQL is not commonly used but our all apps are > based on. > >>> > >>> I’ve just : > >>> - created the model explained on the doc > https://cayenne.apache.org/docs/3.0/modeling-single-table-inheritance.html > >>> - wrote the code below inside the ‘Application’ class of a simple woapp > >>> > >>> But yes, maybe Cayenne is not done to work with FrontbaseSQL… as it > works well with PostregSQL. > >>> > >>> Thank’s for your answer and have a nice day, > >>> > >>> Jérémy > >>> > >>> Le 15 avr. 2021 à 22:50, John Huss <johnth...@gmail.com<mailto: > johnth...@gmail.com>> a écrit : > >>> > >>> I don't think FrontBase is very commonly used. I would recommend > submitting > >>> a minimal example of the problem and someone should be able to fix the > >>> issue then. > >>> > >>> On Thu, Apr 15, 2021 at 3:44 PM Jérémy DE ROYER < > jeremy.dero...@ingencys.net<mailto:jeremy.dero...@ingencys.net>> > >>> wrote: > >>> > >>> Hello, > >>> > >>> I switched my model from FrontBase to PostgreSQL and it works great. > >>> > >>> Does someone use Cayenne 4.1 with FrontbaseSQL successfully ? > >>> > >>> Is there something specific to know ? > >>> > >>> Thank’s for any tip, > >>> > >>> Jérémy > >>> > >>> Le 14 avr. 2021 à 23:05, Jérémy DE ROYER <jeremy.dero...@ingencys.net > <mailto:jeremy.dero...@ingencys.net>> > >>> a écrit : > >>> > >>> Hi all, > >>> > >>> I’m trying to find a solution for the (temporary ?) lack of horizontal > >>> inheritance so I did model vertical inheritance following : > >>> > >>> https://cayenne.apache.org/docs/3.0/modeling-vertical-inheritance.html > >>> > >>> using a Frontbase database. > >>> > >>> I did : > >>> - create the model, > >>> - generate the database, > >>> - fix lack of jars and other things like username, password, jdbc > driver > >>> > >>> The demo code below starts well and connects to database... > >>> > >>> try { > >>> ServerRuntime cayenneRuntime = ServerRuntime.builder() > >>> .addConfig("cayenne-CayenneTest.xml") > >>> .build(); > >>> > >>> ObjectContext context = cayenneRuntime.newContext(); > >>> > >>> Book _newBook = context.newObject(Book.class); > >>> _newBook.setTitle("Nouveau Book"); > >>> _newBook.setCreated(new Date()); > >>> > >>> context.commitChanges(); > >>> > >>> EBook _newEBook = context.newObject(EBook.class); > >>> _newEBook.setTitle("Nouveau EBook"); > >>> _newEBook.setCreated(new Date()); > >>> _newEBook.setDownloadUrl("https://www.google.fr/";); > >>> > >>> context.commitChanges(); > >>> > >>> PaperBook _newPaperBook = context.newObject(PaperBook.class); > >>> _newPaperBook.setTitle("Nouveau PaperBook"); > >>> _newPaperBook.setCreated(new Date()); > >>> _newPaperBook.setShippingWeight(1000); > >>> > >>> context.commitChanges(); > >>> > >>> List<Book> _books = ObjectSelect.query(Book.class).select(context); > >>> > >>> System.out.println("** ALL **"); > >>> > >>> for (Book currentBook : _books) > >>> { > >>> System.out.println(currentBook.getTitle() + " created on " + > >>> currentBook.getCreated()); > >>> } > >>> } > >>> catch (Exception e) { > >>> System.out.println("An error occured : " + e.getMessage()); > >>> e.printStackTrace(); > >>> } > >>> > >>> …but throws this exception > >>> > >>> An error occured : [v.4.1 Jul 14 2020 10:40:45] Commit Exception > >>> org.apache.cayenne.CayenneRuntimeException: [v.4.1 Jul 14 2020 > 10:40:45] > >>> Commit Exception > >>> at > >>> > org.apache.cayenne.access.DataContext.flushToParent(DataContext.java:774) > >>> at > >>> > org.apache.cayenne.access.DataContext.commitChanges(DataContext.java:691) > >>> at your.app.Application.<init>(Application.java:50) > >>> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > Method) > >>> at > >>> > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > >>> at > >>> > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > >>> at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > >>> at java.lang.Class.newInstance(Class.java:442) > >>> at com.webobjects.appserver.WOApplication.main(WOApplication.java:547) > >>> at your.app.Application.main(Application.java:25) > >>> Caused by: java.lang.NullPointerException > >>> at > >>> > org.apache.cayenne.access.jdbc.SQLTemplateAction.execute(SQLTemplateAction.java:242) > >>> at > >>> > org.apache.cayenne.access.jdbc.SQLTemplateAction.runWithNamedParametersBatch(SQLTemplateAction.java:179) > >>> at > >>> > org.apache.cayenne.access.jdbc.SQLTemplateAction.performAction(SQLTemplateAction.java:111) > >>> at > >>> > org.apache.cayenne.access.DataNodeQueryAction.runQuery(DataNodeQueryAction.java:97) > >>> at org.apache.cayenne.access.DataNode.performQueries(DataNode.java:273) > >>> at > >>> > org.apache.cayenne.dba.frontbase.FrontBasePkGenerator.longPkFromDatabase(FrontBasePkGenerator.java:143) > >>> at > >>> > org.apache.cayenne.dba.JdbcPkGenerator.generatePk(JdbcPkGenerator.java:220) > >>> at > >>> > org.apache.cayenne.access.DataDomainInsertBucket.createPermIds(DataDomainInsertBucket.java:168) > >>> at > >>> > org.apache.cayenne.access.DataDomainInsertBucket.appendQueriesInternal(DataDomainInsertBucket.java:76) > >>> at > >>> > org.apache.cayenne.access.DataDomainSyncBucket.appendQueries(DataDomainSyncBucket.java:78) > >>> at > >>> > org.apache.cayenne.access.DataDomainFlushAction.preprocess(DataDomainFlushAction.java:185) > >>> at > >>> > org.apache.cayenne.access.DataDomainFlushAction.flush(DataDomainFlushAction.java:143) > >>> at > org.apache.cayenne.access.DataDomain.onSyncFlush(DataDomain.java:624) > >>> at > >>> > org.apache.cayenne.access.DataDomain.onSyncNoFilters(DataDomain.java:594) > >>> at > >>> > org.apache.cayenne.access.DataDomain$DataDomainSyncFilterChain.onSync(DataDomain.java:822) > >>> at > >>> > org.apache.cayenne.tx.TransactionFilter.lambda$onSync$0(TransactionFilter.java:61) > >>> at > >>> > org.apache.cayenne.tx.DefaultTransactionManager$BaseTransactionHandler.performInTransaction(DefaultTransactionManager.java:183) > >>> at > >>> > org.apache.cayenne.tx.DefaultTransactionManager$BaseTransactionHandler.performInNewTransaction(DefaultTransactionManager.java:155) > >>> at > >>> > org.apache.cayenne.tx.DefaultTransactionManager$NestedTransactionHandler.handle(DefaultTransactionManager.java:98) > >>> at > >>> > org.apache.cayenne.tx.DefaultTransactionManager.performInTransaction(DefaultTransactionManager.java:65) > >>> at > >>> > org.apache.cayenne.tx.DefaultTransactionManager.performInTransaction(DefaultTransactionManager.java:43) > >>> at > >>> > org.apache.cayenne.tx.TransactionFilter.onSync(TransactionFilter.java:61) > >>> at > >>> > org.apache.cayenne.access.DataDomain$DataDomainSyncFilterChain.onSync(DataDomain.java:821) > >>> at org.apache.cayenne.access.DataDomain.onSync(DataDomain.java:581) > >>> at > >>> > org.apache.cayenne.access.DataContext.flushToParent(DataContext.java:742) > >>> ... 9 more > >>> > >>> It seem’s to be related to pk generation so I try a select unqiue from > >>> Book in FrontBase and it worked lije a charm. > >>> > >>> Any idea ? > >>> > >>> Many thank’s, > >>> > >>> Jérémy > >>> > >>> > >>> > >> > > > >
