1. Hibernate resolve foreign key lookup id by name stackoverflow.comI'm in the process of writing a module for an application that bulk imports data. I'm using Hibernate version 3 for data access. I receive a flat table of data let's ... |
2. How to generate id based on two foreign keys in JPA / Hibernate? stackoverflow.comI have a simple question regarding Entity declaration in JPA. I have an entity with 2 foreign keys, which are not null and form an uniqueConstraint. First I was thinking about a ... |
3. I can't update ids in a table which are foreign keys forum.hibernate.orgNewbie Joined: Thu Feb 18, 2010 6:11 am Posts: 5 Hi, I'm working now in a struts2 + spring 2.5 + hibernate 3 application and I'm having some problems updating fields of a table related with others. I have created a form with a combobox where the user can select the value of the children and it's working for the creation ... |
4. Keys composed of generated IDs and foreign keys forum.hibernate.orgPage 1 of 1 [ 3 posts ] Previous topic | Next topic Author Message MNHib Post subject: Keys composed of generated IDs and foreign keys Posted: Tue Nov 30, 2010 8:42 am Newbie Joined: Tue Nov 30, 2010 8:18 am Posts: 8 Hi, everyone, Hoping that someone will be able ... |
5. How to make a foreign key (one-to-one) as my only id? forum.hibernate.orgRegular Joined: Mon Aug 29, 2005 9:46 am Posts: 102 Hello everyone, I have a class which has a association with others. Among this association, there's a one-to-one association that I wanna turn into a ID. I am getting a mapping exception, saying " Attribute "column" must be declared for element type "one-to-one"." even having the "column" declared. Please, help me ... |
6. foreign key id forum.hibernate.orgHi, Suppose I've got a many-to-one (let's use PLAYER->TEAM) relationship in a class I'm retrieving. I want the query to be LAZY, so it only queries the PLAYER table at first. I then want to grab the id of the TEAM and do something with that. However, I still don't want the TEAM table to be queried, because I just need ... |
7. foreign key ids forum.hibernate.orgI was under the impression that calling getId() (or whatever you've called the id in your mapping) does not de-proxy an object. You can call that method and it doesn't go to the DB. You can also do this in HQL, using the special "id" member of mapped entites: see section 14.8 of the ref docs. |
8. Foreign key to compsite-id forum.hibernate.orgHow can I handle foreign key to composite-id(mapping file, persitence class, query...) ? Example: 2 table Table1 COL11 INT PK, COL12 INT PK Table2 COL21 INT PK, COL11 INT PK, COL21 INT PK {COL11,COL12} in Table1 are composite id in Table1 {COL21,COL11,COL12} in Table2 are composite id in Table2 and {COL11,COL12} in Table2 reference to those in Table1. Thanks very much ... |