1. Hibernate - How to do associations with join tables? coderanch.comHi, There is a "student" table and a "course" table (many to many relationship) There is also a "grade" that I wanted to join with the "student_course" join table. (many one) How can I do it in Hibernate? I am confused because "student_course" join table will be generated by Hibernate through @ManyToMany annotation Thanks, Marcin |
2. How to use join if two table have not any association? forum.hibernate.org15:39:31,984 WARN EhCache:94 - Could not find configuration for net.sf.hibernate.cache.StandardQueryCache. Configuring using the defaultCache settings. net.sf.hibernate.QueryException: outer or full join must be followed by path expression [select a.id,b.id from com.hibernate.test.A a inner join B b where a.id=b.id] at net.sf.hibernate.hql.FromParser.token(FromParser.java:166) at net.sf.hibernate.hql.ClauseParser.token(ClauseParser.java:87) at net.sf.hibernate.hql.PreprocessingParser.token(PreprocessingParser.java:123) at net.sf.hibernate.hql.ParserHelper.parse(ParserHelper.java:29) at net.sf.hibernate.hql.QueryTranslator.compile(QueryTranslator.java:149) at net.sf.hibernate.hql.QueryTranslator.compile(QueryTranslator.java:138) at net.sf.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:294) at net.sf.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:1562) at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1533) at net.sf.hibernate.impl.QueryImpl.list(QueryImpl.java:39) at com.hibernate.test.test.main(test.java:28) Exception in ... |
3. many-to-one association with join table and static condition forum.hibernate.orgHibernate version: 3.0 I am building mapping documents against a legacy schema and am running into trouble defining a many-to-one association between two objects that is expressed by a join table, which identifies the first object by its ID as well as its "type." The association is between an Datasource and its owner, which is a User: Code: ... |
4. Association using join table with extra information forum.hibernate.org(This is a legacy database problem) I have three tables, project company project_involvement The project_involvement table joins projects and companies, so it contains project_id and company_id. But it also contains role_id, because companies can be involved with a project in various ways. One particular way of being involved is being the "main contact". This means the role_id in project_involvement is 23. ... |
5. Hibernate3 Association JOINS forum.hibernate.orgI have some problem with retrieving graph of objects with Fetch_Mode=JOIN. My code looks like: ************************************************ Criteria hCriteriaUser = hbmSession.createCriteria(User.class); //add Restrictions on User.name like "John" Criteria hCriteriaHistory = hCriteriaUser.createCriteria("histories".LEFT_JOIN).setFetchMode("histories", FetchMode.JOIN); //add Restrictions on History, status="active" List userList = hCriteriaUser.list(); ************************************************* User mapping file looks like: ************************************************ |
6. join table without association forum.hibernate.org |
7. associations using join says "table or view does not ex forum.hibernate.orgHi, im doing associations using joins. i have a join table in DB PersonAddress. and the mapping is here Code: |
8. The Benefits of One to Many Association with Join Table forum.hibernate.org |