sql « Composite « JPA Q&A





1. Hibernate criteria DB2 composite keys in IN clause    stackoverflow.com

Hibernate criteria, using DB2 dialect, generates the following SQL with composite keys in the IN clause, but DB2 answers that the query is incorrect:

select * from tableA where (x, y) IN ( ...

2. Hibernate generating wrong SQL (composite key of composites)    forum.hibernate.org

Author Message kwutzke Post subject: Hibernate generating wrong SQL (composite key of composites) Posted: Sat Sep 04, 2010 7:49 am Beginner Joined: Thu May 20, 2010 12:31 pm Posts: 28 Hello, I'm using a table that has four columns as primary key, with pairs of two columns each referencing another table via composite FK (MySQL 5.1). Both references are ...

3. HQL inequality operator on composite-id generate wrong SQL    forum.hibernate.org

I can't find any thread/issue on this looking in the forum or jira. inequality operator used on a composite-id generate the corresponding sql using AND instead of OR (behaviour tested using hibernate 3.2.7 DB H2/Oracle) mapping snippet: Code:

4. Bad sql generated by OneToManyPersister with composite key    forum.hibernate.org

Newbie Joined: Fri Aug 20, 2004 1:13 pm Posts: 10 Hibernate version:2.1.6 from cvs Name and version of the database you are using:sqlserver2k I am seeing a problem wherein the sql generated for a eager load collection is wrong. Specifically, hibernate appears to be reversing the sense of the keys when it creates the prepared statement. Look at the statements below ...

5. NonUniqueResultException: Generated SQL on composite-id    forum.hibernate.org

NonUniqueResultException: Problem with generated SQL on composite-id mapping. I would like to select one document by the document id. I get an error with the following code: Criteria lCriteria = lSession.createCriteria(Document.class); Document lDocumentExample = new Document(); lDocumentExample.setDocumentID(aDocumentID); lCriteria.add(Example.create(lDocumentExample)); lDocument = (Document) lCriteria.uniqueResult(); But it works with the following code: lDocument = (Document) lSession.get(Document.class, aDocumentID); Why does the first statement generate the ...

6. Invalid SQL for HQL where referencing a composite id    forum.hibernate.org

Hibernate version: 3.0.1 Mapping documents: Code: ...

7. return-join and composite elements in native sql    forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: Mapping documents: Code between sessionFactory.openSession() and session.close(): Full stack trace of any exception that occurs: Name and version of the database you are using: The generated SQL (show_sql=true): Debug level Hibernate log excerpt: Problems with Session and transaction handling? Read this: http://hibernate.org/42.html Hi All, I cannot find a solution ...