How to get latest 5 results from MySQL database using Spring,Hibernate

Question

I need some help to fix my issue. I'm having a REST webservices project with Spring and Hibernate . By executing the POST call in POSTMAN ,I've inserted some details into MySQL database. So, now i need to get latest 4(which means last 4) from the database table using GET

---id--------|----testname---|----testmethod----|---groupname---|-result----

So, these above mentioned are the columns of my database table. so i need to get last 4 results based on column groupname . So, i need to search by groupname and id . The values of groupname will be like [Test] . So, can anyone tell is there any way to get those details through GET call.

Answer 1

If you want to retrieve some specific number of rows from database using hibernate then you can do something like this

Criteria cr = session.createCriteria(YourClass.class);
cr.setFirstResult(1);
cr.setMaxResults(4);
List results = cr.list();

The above code will retrieve first 4 rows from your DB.

If you want to retrieve last 4 rows then you have to somehow count the number of rows then use code like this

Criteria cr = session.createCriteria(YourClass.class);
cr.setFirstResult(count-4);
cr.setMaxResults(count);
List results = cr.list();

it will give you last 4 rows from your DB.

if you want to use HQL then you can do something like this

Query q = session.createQuery("FROM table");
q.setFirstResult(start);
q.setMaxResults(maxRows);