Join 2 « Join « JPA Q&A

1. JOIN / SUBSELECT example in 7.6 of docs doesn't work forum.hibernate.org

2. using Join in Hibernate forum.hibernate.org

hi, we have a dilema : one option is to use Views in the DataBase in this case, and create entities with hibernate reverse engineering , for each view . we have about 40-50 joins in our application in this stage. the other option ,as i saw, is to do this join in HQL , such as this example : List ...

3. How to write Join quries in hibernate forum.hibernate.org

Hi, Would like to check if it is possible to add multiple join conditions using hibernate InvProSummary.hbm.xml Stop.hbm.xml I didn't put many-to-one or one-to-many property link into hibernate hbm files.... I.e. i need to get the following join condition in SQL "from InvProSummary as inv LEFT JOIN Stop as st " + "ON inv.custId = st.custId " + "where inv.custNo=?" When ...

4. cant get the JOIN to Work .. forum.hibernate.org

Author Message yair Post subject: cant get the JOIN to Work .. Posted: Mon Dec 31, 2007 6:06 am Newbie Joined: Wed Nov 28, 2007 9:36 am Posts: 8 hi , i have two entities : Survey , SurveyQuestions that are mapped like this : Code: ...

5. Simplest join forum.hibernate.org

I've seen posts saying that this isn't possible without a theta join, giving me back *far* more rows than necessary. Despite my own cynicism of Hibernate, it'd be too absurd for that to be the only answer. But, I digress. Is there a proper way to do this: Code: List courses = em.createQuery("from Course2007 c " + ...

6. Joining compound primarykey forum.hibernate.org

zusammengesetzter primrschlssel. hey guys, I'm using JPA with Hibernate and want to join 4 tables with a compound primary key and map this into 1 object. I dont want to have embeded classes or somethng else, only one object! how can i do this? Example: table1: user pk: number pk: name adress table2: poster pk: number pk: name pk: postcountid postcount ...

7. Grouping an joining forum.hibernate.org

SELECT e2.id FROM (SELECT loginname, max(version) AS version FROM Employee GROUP BY loginname) e1 INNER JOIN (SELECT loginname, version, id FROM Employee) e2 ON e1.loginname= e2.loginname AND ...

8. Grouping an joining forum.hibernate.org

SELECT e2.id FROM (SELECT loginname, max(version) AS version FROM Employee GROUP BY loginname) e1 INNER JOIN (SELECT loginname, version, id FROM Employee) e2 ON e1.loginname= e2.loginname AND ...

9. Help with Using JOIN - and OrderBy forum.hibernate.org

10. join and limits forum.hibernate.org

hi guys, i'm italian and i'm new in hibernate i have a query and i would like that when i join two tables, the rows selected, of the set (or list) of the property of the class table which plays the role one-to-many, don't are selected all but i would like that are selected only a certain number of rows for ...

11. Want to do the join myself forum.hibernate.org

Hello, I have got two tables which I want to join. The column where the join occures can be null so I won't get results if I do the join like A.Bid = B.id. So my statement should look like this: A.Bid = B.id OR A.Bid IS NULL but Hibernate creates A.Bid = B.id automatically and of course does not use ...

12. How to take join in Hibernate forum.hibernate.org

So, you want Hibernate to know about a join, but you don't want to tell Hibernate about it? Hmmmm.... I think Hibernate Clairvoyance comes out in version 4. They haven't got that in 3.x yet. Basically, if the join isn't documented anywhere, Hibernate won't know about it. So, from there, you're pretty much left to do a native SQL query that ...

13. Join fails forum.hibernate.org

I've problems mapping a join with Hibernate 3.2 here is the mapping: But it doesn't work well. If there are two "progetto" with the same "capo", in the result I'll get two times the first one. ...

14. Beginner needs help with a JOIN forum.hibernate.org

15. Can't get scrolling to work with together with an eager join forum.hibernate.org

Hibernate version: 3.2.6 Mapping: parent entity: Code: ..... ...

16. Path expected for join! forum.hibernate.org

17. Newbie - utterly confused on OneToOne Join forum.hibernate.org

Hi, Table 1 (person): pk integer ... Table 2 (data): pk integer; fk integer; ... All the examples show a fk onetoone where the Table1 has the fk field, but my structure has the fk field on Table2. So I want the following one-to-one join but just can't figure out how to write the java: select d.* from person p left ...

18. Joins forum.hibernate.org

Alright, I'm sorry for the stupid question, but can someone point me towards a resource that will teach me how to create a Join using the Criteria API? I cannot use QL's, I have to use objects and all that fun stuff. But I get too large a resultset back (causing a JavaHeap Overflow, memory problem) if I don't use a ...