5 | Failed to read the value of field using reflection can manipulate the object fine. Then I saved, quitted and reloaded the database. Then I try to count |
5 | ObjectDB size not reducing record count reduces. Trianglehead Json Error When objects are removed sections of the database |
5 | A nested SELECTHello. I have a query UPDATE Look l SET l.partlySold = FALSE WHERE (SELECT count(a) FROM l.things a WHERE a.thing.status != :status) <= 1 which doesn't work: "Unexpected query token 'SELECT'". Does ObjectDB support queries like this? Thanks. Vladiator Vlad Myachikov Nested queries (issue #11 |
5 | Performance issues on aggregate querywe are using this aggregate query to collect some data: select p3.doubleValue,c1.classIdentifier,c1.objectName,sum(p4.doubleValue),sum(p4.doubleValue*p5.doubleValue),0,p7.doubleValue,p3.name,count(o) from ObjectNode o INNER JOIN o.properties p1 INNER JOIN o.properties p2 INNER JOIN o.properties p3 |
5 | Grouping by date() hour(ov.created), count(ov) from ObjectView ov group by hour(ov.created) order by hour(ov.created) ASC |
5 | find repeated records by JPQLHi, I know a single command in MySQL can find repeated records: Select * from TTT t where id in (select id from TTT s group id having count(id)>1) I dont know how to do this using JPQL, but I use query from 430,000 records and put them into hashmap, finally it cost one hour and failed |
5 | Multithreading Test and DeadlockI move on to testing the multi threaded part of ObjectDB. From the same code (MyMain.java), I set the thread count from 1 to 4 and not only do I found it's slower overall (each thread only needs to insert 250K entities) but the threads are stuck with a deadlock. All threads share the same |
1 | Blocked by find Richard Szurgot This new stack trace helped solving the "Negative snapshot user count" error (Issue |
