1. Hibernate dynamic-update= false stackoverflow.comIn Hibernate, the default value of the property dynamic-update = false. But it seems, that this is not good for performance. Then why is this set to false by default? |
2. dirty checking vs dynamic-update forum.hibernate.orgWhats the difference between dirty checking vs dynamic-update hibernate. I know that dirty checking will update/sync data with db whenever a change is done. And dynamic-update will update the db only with modified values. But both are doing the same thing ..right?? Updating the modified values.. Can you please specify why we need this two. One is enough..right?? |
3. lastModified / dynamic-update forum.hibernate.orghi, I want to implement a lastModified / modifiedBy property to all my persisten objects. all my objects subclass "PersistentObject" which already contains those properties. but now i want to implement a mechanism in this superclass that allows me to set those properties (maybe using the callbacks of hibernate). but therfore th emthod has to determine wether an entity really changed ... |
4. dynamic-update="true" not working as expected forum.hibernate.orgI'm using Hibernate 2.1.2 and have coded the dynamic-update="true" and the optimistic-lock="all" for my classes. With show_sql="true", it is showing that on an update, all columns are being set and only the primary key is being used in the where clause. This is what I would expect with dynamic-update="false". Is there some other thing that has to be turned on the ... |
5. problem using dynamic-update="true" with versionin forum.hibernate.orgHi, I've read the hibernate docs and from what i understand if i the set the tag dynamic-update = true, then it should only generate a SQL statement that updates the actual attributes that have changed. I'm also using optimistic locking (version number) and even if i don't update any attributes on an object and call the session.update() method as listed ... |
6. dynamic-update on custom value forum.hibernate.orgHello, What I need is functionality similar to dynamic-update and dynamic-insert but with these changes. 1. dynamic-update currently only updates properties that have changed. I would like to add an additional condition: only those properties that have changed AND do not contain a specific value (the value probably being specified in the mapping file). 2. dynamic-insert currently only inserts those properties ... |
7. dynamic-update forum.hibernate.orgI'm currently looking into optimistic locking and forgot to set the version number. So if I do like this an SQL update is executed. node.setVersion(new Integer(16)); node.setName("test"); But I still have the problem with dynamic-update. Hibernate executes this: update nodes set name=?, version=?, text=?, etc, etc But I'm expecting it to update just the two columns I updated. update nodes set ... |
8. Error using dynamic-update='true forum.hibernate.orghi there, Hibernate version: 2.1.5 and 2.1.6 Mapping documents: |
9. DYNAMIC-UPDATE forum.hibernate.orgYou need to post more information. There's no way to tell what's going on from just that little bit of information. Here's what the documentation on the class mapping says (please go read it): Quote: dynamic-update (optional, defaults to false): Specifies that UPDATE SQL should be generated at runtime and contain only those columns whose values have changed. So what you're ... |
10. DYNAMIC-UPDATE forum.hibernate.orghi, i checked the dtd and that tag is there. i have also downloaded the latest hibernate jar file. but still i get a fatal error in a message box ! as follows before even executing the command(in parsing cfg.xml or maybe before it) : java.lang.IllegalAccessError at net.sf.cglib.core.ClassEmitter.setTarget(ClassEmitter.java:47) at net.sf.cglib.core.ClassEmitter. |
11. Dynamic Persistence forum.hibernate.orgHi, I'm using hibernate dynamic persistence. Since there is not much documentation available for dynamic persistence, can anyone help me how to create a many-many association, and how to persist values for the same. Other collection mappings like bag is working fine, but i've a problem with many-many association. I would be thankful, if somebody could help me out asap. Thanks. ... |
12. how does dynamic-update work? forum.hibernate.orgHibernate version: 3.0 I am running into a caching problem across different applications that share classes. The most basic solution is to turn caching off or get a cluster aware caching tool. There might be an easier solution for now though that would allow me to continue caching. The two apps both need write-access to different fields on the class, so ... |
13. Set dynamic-update for all classes forum.hibernate.org |
14. Nullability check in dynamic update forum.hibernate.orgI'm trying to partial update few properties of entity. I hafe defined dynamic-update="true" for entity and implemented findDirty function of interceptor, wich returns only updateted properties indexes. The problem is that when nullability is cheked, it's checked for ALL properties, and not only for dirty properties. Isn't it bug in DefaultFlushEntityEventListener ? How do i overcone this problem ? Hibernate version:3.2 ... |
15. dynamic-updates don't work??? forum.hibernate.orgHello all, Im currently using Hibernate 3.2.2 and Im experiencing the same "error". When I didnt use the dynamic-update parameter, the generated update included all fields of the mapping ( thats ok ). Now that Im using dynamic-update="true", the same UPDATE SQL code is generated, containing every single column of the mapping? ( At least, thats what my SQL server 2005 ... |
16. dynamic-update forum.hibernate.org |