Pascal’s Blog

Like I posted here we are currently busy replacing the Postgres database with an Oracle database. One issue we encountered was the use of boolean fields in the Postgres database, because there is no such type in the Oracle database. So we chose to create a Varchar2(1) field that contains a ‘t’ or ‘f’, being [...]

Do you recognize this feeling? Although you are using a certain set of tools/ frameworks for a while to develop your applications every now and then you get surprised by a certain error message you haven’t seen before? And to your knowledge you didn’t do anything different compared to the last time you used it.
Well, [...]

To store information in our PostgreSQL database we use Spring and Hibernate as I mentioned earlier in my posts. Some of our tables in the database also have GIS information with them. That’s why we are also using PostGIS extension on our database. This GIS information (Geometry) is also reflected in the Hibernate objects we [...]

When you are working with Hibernate there is a big chance you have (or will) run into the infamous lazy loading exception: org.hibernate.LazyInitializationException: failed to lazily initialize a collection - no session or session was closed. Well, last week it was my turn. Luckiliy there are lots and lots of articles and blogs about it [...]

At my current project we store information about buildings in a database. A part of that information is geographic information about the location of the building. This information is sent in a SOAP message and the geographic part is formatted according to the GML standard. This information (both geographic and ‘normal’ data) is persisted in [...]

Because I had some time left last days, I decided to have a look at the persistence framework Hibernate (actually they call it ‘a powerful, high performance object/relational persistence and query service’). Last years I have mainly used ADF BC as persistence layer and I was curious what the alternatives had to offer. Since Hibernate [...]