1. COMMIT WRITE BATCH NOWAIT in Hibernate stackoverflow.comIs it possible to execute COMMIT WRITE BATCH NOWAIT in Hibernate? |
2. JPA 1.0 and Hibernate 3.4 generating FOR UPDATE NOWAIT when locking stackoverflow.comI am currently working on a Java EJB project being deployed to Weblogic 10.3.3. We are using JPA 1.0 with Hibernate 3.4 as the implementor. We are also using the ... |
3. SQL command error using LockMode.UPGRADE_NOWAIT forum.hibernate.orgI think there is a problem w/ the generated sql when running an HQL query with LockMode.UPGRADE_NOWAIT. The generated sql seems to be correct, however, when I change Oracle9Dialect.getForUpdateNowaitString(String) from: public String getForUpdateNowaitString(String aliases) { return getForUpdateNowaitString() + " of " + aliases; } to: public String getForUpdateNowaitString(String aliases) { return " for update of " + aliases + " nowait"; ... |
4. LockMode.UPGRADE_NOWAIT and setMaxResults forum.hibernate.orgHi, I'm attempting to reproduce a "select ... for update nowait where rownum < 2" in Hibernate version 2 against Oracle, but I'm running into difficulties. Here's how I create the query: Criteria criteria = session.createCriteria(Thing.class); criteria.add(Expression.eq("aProperty", "someValue")); criteria.setLockMode(LockMode.UPGRADE_NOWAIT); criteria.setMaxResults(1); When I execute this query however, I get an Oracle error: ORA-00907: missing right parenthesis and indeed when I look at ... |
5. locking dirty objects with LockMode.UPGRADE_NOWAIT forum.hibernate.orgHi, My system architecture is 3 tiers with long-lived conversation with session-per-request-with-detached-objects pattern. So my objects is loaded in one session and saved in another session. My application model is very complicate and includes a lot of objects graphs. The root object for each object graph declared with a version tag/field (the Customer in the example below). If I want to ... |
6. entitymanager /Query pessimestic locking nowait forum.hibernate.org |
7. lock with NOWAIT waits forum.hibernate.orgI am using Hibernate to connect to a Postgres DB on Windows. I am using optimistic locking in my app, but there is one object for which I need pessimistic locking. I am trying to use the code below: Code: public boolean getLock(Object o) try { session.lock(o, UPGRADE_NOWAIT); return true; } catch (Throwable ... |