55 | Speed of queries that return many objects sequentially. Apparently your use case is not a standard database (or object database) activity ... if this is something I should investigate. So I created a database with 1_000_000 dummy entities (example ... objects is more than you may expect and much slower than just reading the data from the disk. Using |
54 | Entity listener - event instead of object that you use to update object. So, how to get old version of given entity from database to check ... in updated entity. There is a problem however with accessing "old" version of object stored in database. I can't find the nice way to use EntityManager in EntityListener. Because of that, I can't |
54 | Unexpected exception during open the databaseHello, do have an idea why we get following exception sometimes, if we open a database? Exception 1 ... your company. The problem seems to be related to opening and closing the database for a short period ... block from objectdb.conf all works fine during opening the database. The automatic index update is not |
54 | 2.7.3_03 Erroneous "Attempt to modify a primary key of a managed object" to save/restore the object into/out of the database. Another user might try to navigate and enter ... key of a managed object", but my application is not trying to change the primary key. (ObjectDB log ... the id field to a simple String without database schema change, and save some space in memory |
54 | Listing large number of complicated objects with paging. query manager fetchSize is like all objects in database: <newQueryResponse isUnique="false ... 'Product' (attached to this post) entities in database and I'm trying to speed listing them with paging ... and "warming up" database file, query runs for about 1.5 (best) to 6 (worst) sec: 2011-11-15 19:30:59 |
54 | Searching lists within objects want to search using cb.isMember passing an object. This however does NOT work. I'm uncertain how the database is doing its matching, but it looks to me like it matches using objectids, which means you can only match isMember if you have a database object. This does not help as I'm never going |
54 | Queries are slow on a large database managed to figure out: how to get the total number of object in a database without retrieving ... Hi, I have a 12GB database with 787603 entries. It is much larger than usual ... have to scan the entire database file and is not using indexes. Therefore I think I am not doing |
11 | References to objects of missing obsolete entity classes itself, is it correct that the objects are in the database but their classes have been deleted or missing? The objectdb explorer does not show any objects of the given class in the database. The class ... version of our product (see below). These entities are not present in the database and the error does |
11 | new objects not available in mappedBy associations automatically when the object is retrieved from the database again. Try to refresh the department object ... again unless the object is retrieved again from the database (and not from the persistence context cache ... > employees; creating a new mapped class, e.g. new Employee, won't result in this object being available in |
10 | cannot delete objects after crash (see issue 2283)after the crash we cannot delete specific objects, see screenshots of explorer. Database ... objectdb hgzwicker Hans-Georg Zwicker meanwhile the database became completely unusable ... . support Support we upload currently the database before Doctor to our extranet, coreSystemDb_.rar |
