2 | Error when I switch to server mode(Unknown Source) I'm just doing a simple insert. gorilla77 Ji Kim The stacktrace indicates a problem |
2 | how to create only table structure.hi, I want to create only a table without insertions of data. And also table contains constraints like not_null, unique, primary key etc. Ex: (In sql) create table emp (id int(5) primary key, name varchar2(20)); , so it will create only table. when we want to see the table structure then "desc emp |
2 | Performance of "InsertTest"You provided the "InsertTest" in the following post, and say "On Intel Core 2 Quad Q6600 (and enhancement) it persists 340,000 objects per second". Insertion Speed Rate and Batch Load Now, ten years later, I run it on Intel Core i5-5300U (2.3Ghz) with 8GB memory, output is 45000 per second |
2 | 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 |
2 | Bidirectional OneToMany is slow on updated itemsHello, I have a problem with the following situation. I insert persons with addresses. In the first run, they are all new with a new address. It runs fast. In the second run, the persons are all loaded and got a second address. This seams to be much slower. The Entities are all enhanced by |
2 | EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable application (Main.java) with "private static boolean WRITE_DATA_TO_DATABASE = true;" to insert |
2 | Query in JPA2 with LEFT JOIN on INNER JOIN conditions in the query WHERE clause. support Support But the result of the query is different if insert |
2 | Finding an object by its datetimeSearchBookingByTimeStamp() { Calendar btime = Calendar.getInstance(); btime.set(2012, 10, 11, 7, 30, 00); //This time is already inserted, trying to find it /* My Query */ TypedQuery<Booking> query = em.createQuery( "SELECT b FROM Booking b WHERE b.btime = :btime |
0 | Unexpected not reproducable exception during commit, but it happens during index update when an attempt to insert a new (key,value) to the index finds |
0 | ObjectDB 2.0.0 of database insert/update/delete operations. Changed default configuration (for improved performance |
