Hi all,
How can I create auto timestamping column?
I want the database to generate the timestamp.
I tried google but suggested solutions doesn't work in objectDB.
http://stackoverflow.com/questions/811845/setting-a-jpa-timestamp-column-to-be-generated-by-the-database
- Pawel
Yes, currently ObjectDB supports only numeric values in version fields.
However, you can hold the timestamp in an ordinary Date / Timestamp field and update it in an event callback method (@PrePersist, @PreUpdate).
Not always...
If your server runs on separate computer and clients clocks are not synchronized or what worse are from different time zone’s you can have a troubles...
You are right - a version field is preferred. It will be supported in future versions.
You can, however, use the server time in the event callback by running a query (not very efficient but should work).
