9 | TimeSeries and ObjectDB to the TimeSerie entity - I currently have to retrieve the whole timerserie since beginning of time ... . This could be efficient it terms of space and retrieval speed but may be more expansive in updates ... for queries? Thanks EKK Emmanuel Keskes Retrieval of data from many entity objects is obviously slower |
9 | Unable to persist TreeMap, 1); System.out.println("Retrieved memberships: " + p.memberships); emf.close ... Association=President} Retrieved memberships: {} AlphaOne Ron Brennan Just tried and the output is as expected: Created memberships: {Bar Association=President} Retrieved memberships: {Bar |
9 | composite index not used in query). [Step 1c] Retrieve fields in Action (a) instances. [Step 1d] Filter the results of step 1c ... over all the instances (a1) in a.objectsInCharge. [Step 2b] Retrieve fields in ObjectNode (a1) instances ... ) in a1.childNodes. [Step 3b] Retrieve fields in ObjectNode (v$1) instances. [Step 3c] Filter |
9 | OptimisticLockException file? dmoshal David Moshal With pessimistic locks - the object is locked when it is retrieved ... locks: a) is the object is globally locked at the database when retrieved from L2 cache ? b) If process B attempts to modify object after it is retrieved by process A, does process B block, or fail |
9 | SectionClassifier message in logI'm trying to track down an issue in an application - the problem occurs around the retrieval ... that retrieval of a large object has failed due to a missing section (large objects are divided to sections ... but in case it helps the error in the application on object retrieval is: Caused by: rbccm.felix |
9 | String Encoding IssueHi all Encounter a character encoding issue when i try to retrieve a String column containing Chinese character. Retrieve a String column on odb file. em = emf.createEntityManager(); Query query ... Jeff liu ObjectDB does not modify strings - when you retrieve a string from an ObjectDB database |
8 | ClassCastException of same object type and retrieving objects ok in the main project. However, when I make a plugin for the project, the new objects are persisted but not retrieved. I get the following error: java.lang.ClassCastException: org ... then get the exception. The retrieved object seems to exist only as an ICoreObject, not as a XCCompetitorCount |
8 | Level 2 cache not hit in @ManyToOne. Therefore, retrieval by find always uses the L2 cache, since it can save a client-server round trip. Similarly, traversal between objects which requires transparent retrieval of referenced objects ... execution round trip. However, in that case, if not all the results are cached, retrieving them later |
8 | find() cost unreasonable time! (see Retrieval by Eager Fetch in the manual). the effect of EAGER is similar in ordinary and inverse ... is very efficient in retrieving a single entity object but less efficient when you need to retrieve many ... is also expected to be faster than find since entities are retrieved in bulk. support Support |
1 | new objects not available in mappedBy associations automatically when the object is retrieved from the database again. Try to refresh the department object ... one refresh an object? https://www.objectdb.com/java/jpa/persistence/retrieve#Retrieval_by_Refresh ... again unless the object is retrieved again from the database (and not from the persistence context cache |
