Databases support various data types to store date and time information. The most commonly used ones are: You can map all of them with JPA and Hibernate. But you need to decide to which Java type you want to map your database column. The Java language supports a bunch of classes to represent date and…
The Date and Time API, introduced in Java 8, finally replaced the old java.util.Date. It’s much easier to use and finally offers separate classes representing date, date with time, and only time information. That not only improves your business code but also makes it easier to use them as entity attributes. At least if you’re…
Hibernate Tips is a series of posts in which I describe a quick and easy solution for common Hibernate questions. If you have a question for a future Hibernate Tip, please leave a comment below. Question: During last week’s Hibernate workshop, I got a few questions about Hibernate’s handling of ZonedDateTime objects. To sum them…
Hibernate Tips is a series of posts in which I describe a quick and easy solution for common Hibernate questions. If you have a question for a future Hibernate Tip, please leave a comment below. Question: JPA 2.2 didn’t add support for java.time.Duration. How can I map an attribute of that type with JPA?
As expected, the recent release of the JPA 2.2 specification introduced official support for some of the classes of the Date and Time API. Before that, you had to rely on proprietary features, like the ones introduced in Hibernate 5, or you had to provide an AttributeConverter to implement the mapping. Let’s take a closer…