 3 | Hello, we opened a transaction, load an entity from database and removed this entity by em.remove(). Afterwards the entity can be load again by query although the resulted entity have an attribute ... . Every snapshot represents a picture of the database as seen by a particular transaction. When changes |
3 | Hi, I have found an issue in ordering by a method. I have two entities : Invoice and InvoiceItem ... ...) select i from Invoice i order by i.getPrice() desc/asc it gives the same order for desc and asc ... .createQuery(
"SELECT i FROM Invoice i ORDER BY i.getPrice() DESC");
List resultList |
3 | Hi, I have found a strange behavior when merging entities with "mapped by" set on @OneToMany ... - one with mapped by, second with adding entities list without "mapped by". The difference is huge event for such small objects - 2ms (without mapped by) vs ~50ms (with mapped by) Is there any chance |
3 | .getResultList(JpaQuery.java:636)
at image.cleanDB.main(cleanDB.java:19)
Caused by: com.objectdb.o ... (QRR.java:197)
at com.objectdb.jpa.JpaQuery.getResultList(JpaQuery.java:627)
... 1 more
Caused by ... MySQL? TIA Subqueries are not support by ObjectDB yet - see this feature request. Getting |
3 | have to group by date(). For few queries I was concatenating 'date' from year()-month()-day() calls ... implementation. There is only one small problem with new version. When you group by date() there are two days per day. I mean group by divides each day for two parts. You can see an example in attached |
3 | ObjectDB ignores lazy setting of non collection mapped by (inverse) fields and loads them always eagerly. This is allowed by JPA since lazy is only hint but it is not efficient. The reason ... , so it is always available. For mapped by (inverse) reference fields no information is stored in the entity |
3 | have the old DB on my development machine. By adding class by class into ... DB, the DB that got added class by class, as development went by. Providing an example is a little ... unspecified classes. If there is a bug and it could be demonstrated by a sample application, we will look |
3 | When a collection of objects is retrieved by ObjectDB (e.g. by a query) ordinary referenced objects ... . However, inverse (mapped by) references that have to be loaded eagerly currently do not participate ... a separate client-server round trip. Future versions of ObjectDB should load eager mapped by (inverse |
3 | .
Caused by: com.objectdb.o.UserException: Connection is closed
at com.objectdb.o.MSG.d(MSG.java ... :160)
... 39 more
Caused by: java.io.EOFException
at com.objectdb.o.NTS.z(NTS.java ... if your application might create EntityManager instances without closing them. By the way, following your report |
3 | .objectdb.Server.run(Server.java:107) at com.objectdb.Server.main(Server.java:66) Caused by: java.net ... .main(Server.java:66) Caused by: java.net.UnknownHostException: GhostRider: Name or service not known ... .run(Server.java:107) at com.objectdb.Server.main(Server.java:66) Caused by: java.net |