1. Hibernate/JPA Legacy Tables, join not working in relationship tables stackoverflow.comTable1 is related to table2 with @OneToMany relationship. I do not see any outer join when query is generated. So basically there are multiple select queries for each match. See code below: |
2. Adding Records into Join Table in a Many-to-Many Relationship Using JPA coderanch.comDear Ranchers, The entity beans generated for MySQL tables by NetBeans do not include join tables used in defining many-to-many relationships. In my case, the three native tables are 'department', 'quota', and 'dassociate' (dept. assoc.), the latter being a join table. Only entity beans for the first two have been generated, and the information is maintained by JPA through the quotaCollection ... |
3. Joining three tables with many-to-many relationship forum.hibernate.orgHello Experts, Can you please help me how to join three tables with one common join table? I have USER, APPLICATION, and ROLE tables. And I want thier IDs to be joined in a table named USER_APP_ROLE(user.ID, application.ID, role.ID). When I remove either Application or Role tables in Join Many to Many my code is working. I have done the following ... |
4. Join with relationship forum.hibernate.org |
5. Are joins implicit in relationships? forum.hibernate.orgI've gotten confused about what I thought was implicit in Hibernate... If I have a table of books with types: Title BookType About cats non-fiction About rats non-fiction About tats fiction I then normalize it so that the types link to another table, type-table: ID BookType 1 non-fiction 2 fiction Then the book table is Title BookType About cats 1 About ... |
6. Join relationships using a single table in hibernate.. forum.hibernate.orgHi, Is it possible to use join relationships using single table in hibernate...... My query looks like this..... "select i from com.vstl.hybernate.action.Item as i left outer join fetch com.vstl.hybernate.action.Item as j" will this work with slight modifications in the Item.hbm.xml file....which looks like this.....Plz help me out. |
7. many-to-many relationships without a join table, possible? forum.hibernate.orgI have been struggling for some time to shoehorn a legacy database into Java via hibernate, but have now come across a situation where i have a many-to-many relationship, but NO join table. Unfortunatly I cannot create a join table, so my question is, does hibernate allow me to create this many-to-many relationship, and if so, how? I only need to ... |
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9. problem joining two tables with a one-to-many relationship forum.hibernate.orgHi all, I have to map table from a legacy system and facing one of these foreign keys issues where I couldn't find a solution for yet. This is the error message I get: Foreign key (FKED8DCCEF19BE1B58:product [productid])) must have same number of columns as the referenced primary key (countrystoreproduct [productId,country_id,store_id]) The class setup is as follows: Class A is primary ... |