62 | Query all objects that implements a given interface - is that possible?Hi, I am trying query one of my DB - for all object types that implement a given interface. TypedQuery<Signal_Interface> query = em.createQuery("SELECT bk FROM Signal_Interface bk ... .createQuery("SELECT bk FROM Object bk WHERE bk instanceof Signal_Interface", Signal |
62 | Adding multi part path index on non-embedable object memberIs there a way to add single member index on members of a object member which is not configured embedable but is/are mapped by id like the two members below. @Entity public class Customer ... { ... } There is a documentation says it works on embedded objects only. So since it reference only, what is suggested |
62 | Problem with merging / persisitng objects with @Embeddable fieldHi, After migration to version 2.4.2_01, I have noticed a strange problem with persisting object with field that contains @Embeddable object. Please check attached exception. Relation between entities looks like this: @Entity public class ProductKit extends BaseEntity implements Serializable |
62 | JPA CriteriaQuery -- Iterate Expression<List<Object>>Hi, I am new to JPA and in particular the CriteriaQuery API. I have a simple CriteriaQuery where I pattern match a simple search String against field entires in a Person entity... i.e. the searchString is always decorated with %searchString%. The Person object can contain many Record objects. I |
61 | Entity object parameter in Explorer parameterHello, I cannot set an entity object in a parameter for a bulk update in the explorer query execution. The format Entity#001 works well for the parameter in the WHERE clause, but it doesn't work in the SET clause. For example, in the query: UPDATE Account dep SET dep.status=:a WHERE dep.status=:b |
61 | JPQL: Update fails using external object paramLet's suppose we have two objects and one is the key to another: Language{id:Integer,language: String} Book{id:Integer, title: String, language: Language} This select works: SELECT b from Book b where b.language.language="en" // it returns some records But when I use the same condition |
61 | impossible to drop a table with 50 million objects these objects in batches, using several transactions, each transaction will delete the results |
61 | Why can't we persist an object with a field of type EnumMap in ObjectDB?Hi, Is there a reason why we can't persist an object with a field of type EnumMap in ObjectDB? but it works fine for fields like = HashMap<EnumType,Double> Thanks EKK EKK Emmanuel Keskes You can persist any Serializable type if you enable this ability in the configuration. But using this feature |
12 | cannot delete objects after crash (see issue 2283)after the crash we cannot delete specific objects, see screenshots of explorer. Database will be soon available (size 5.561.119 KB) on hummingbird-systems.com, user/pw your db name, main menu option ... monitoring shows that creating of object structures is significantly slower than with the old setting |
12 | not possible to add an existing object to an array via explorerwhen trying to add an existing object via context menu/add existing object an entering the id the attached message appears (see attachment): objectdb.java.util.ArrayList cannot be cast to java.util.Map hgzwicker Hans-Georg Zwicker Thank you for your report. Build 2.7.1_02 should fix this exception. support Support |
