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forum_thread

collection of embedded objects

1. In general, are there any restrictions of the use of @Embedded objects in collections, compared to @Entity? 2. If you have a large nested collection of @Embedded objects, and you remove the parent @Entity, does the remove cascade through the whole collection? 3. Is searching through collections of @Embedded objects more expensive (time) than searching through collections of @Entity? #1 2011-05-14 21:23 1. In general, are there any restrictions of the use of @Embedded objects in collections, compared to @Enti ...

 
forum_thread

java.lang.UnsupportedOperationException

com.objectdb.o.InternalException: java.lang.UnsupportedOperationException: Unsupported feature - Update queries are not supported yet java.lang.UnsupportedOperationException: Unsupported feature - Update queries are not supported yet. Used with this code: "DELETE l FROM License l WHERE l.id = ?1", License.class); query.setParameter(1, id); int changes = query.executeUpdate(); Is there a workaround? #1 2011-03-09 12:03 com.objectdb.o.InternalException: java.lang.UnsupportedOperationException: Unsupported feature - Update queries a ...

 
api-jdo

removeCategory(categoryName)

Remove the members (fields or properties) of the named category from the set of members in this FetchGroup.(Method of javax.jdo.FetchGroup)

 
api-jdo

removeUserObject(key)

Remove the specified key and its value from the map of user objects.(Method of javax.jdo.PersistenceManager)

 
forum_thread

Modifying something with Explorer -> app JPQL with Enum doesn't work anymore

Hi! Scenario: Copy attached DB into localhost ObjectDB server (I'm running 2.5.1_03). Open attached project JavaEE Maven with NetBeans (7.4 beta in my case). Start ObjectDB on localhost as server. Run project on Apache Tomee 1.5.2 standard. Take a look at NetBeans' output to see how many entities are found with field type GOOD. There are 2 ways generate the bug: #1 2013-09-03 10:13 Hi! Scenario: Copy attached DB into localhost ObjectDB server (I'm running 2.5.1_03). ...

 
issue

Threaded Test - Failed to commit transaction: Unexpected internal exception

Hi I'm trying to create a simple producer-consumer queue scenario but am getting the followin exception: Bug Version: 2.2.7 Priority: Normal Status: Fixed Replies: 16 Type:  Bug ...

 
issue

InternalException

I'm getting a new InternalException (see below). No repeatable example as yet but will work on that and let you know as soon as we have one. If there's anything in the exception which could help us narrow down the problem please let me know. ... as a result of schema change, in which id fields are removed. Notice that changing the primary key of an existing entity class with ...

 
forum_thread

500Mb ObjectDb database opening issue

Hi, I have observed that 500 Mb objectDb database opening time is very slow (~3 seconds) for following code m_EntityMgrFactory = Persistence.createEntityManagerFactory( "objectdb:" + aFilename ); m_EntityManager = m_EntityMgrFactory.createEntityManager(); Does exist any way to speed-up open time for big databases? Definitely, it's too long for 500 Mb database! ... Thank you for suggestion to remove all activation codes. I removed all of them, but there is no differences in result With ... openTempDataStore took [2636] ms With removed activation codes 1 / 29 / 2016 18 : 56 ...

 
forum_thread

Left join fetch behaviour doesn't retrieve children?

Hello support, I'm a little bit confused about a left join fetch behaviour. In this test case, i try to fetch my 3 children using a left join fetch. But my collection is null after closing the em. It was expected to be fetched before closing the em, no ? In fact, that is the objective of the fetch purpose (i guess ?). ... I have done some benchmarks ( after having removed the bugged mapped-by attribute ) I have 193152 entities in ...

 
forum_thread

find() cost unreasonable time!

Hi, I make a full binary tree of 4095 node, I check the first 9 node, but the root cost 24 seconds, why? Result: #1 2011-06-29 12:58 Hi, I make a full binary tree of 4095 node, I check the first 9 node, but the root cost 24 seconds, why? ...