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Questions tagged [composite-id]

59 questions
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hibernate Criteria on Composite Id

Below is the same code very similar to my code where i am facing the issue //mapped to Table B class B implements Serializable { //Primary key bId private Long bId; //Getter and setter for bId; } //Mapped to table C class C implements…
Amit Kumar Lal
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jpa update for objects having comosite primary key

I have a composite primary key for my object.How can i use a jpa to update my object? Normally we use the following code EntityManagerFactory emf = Persistence.createEntityManagerFactory("jpa"); EntityManager em = emf.createEntityManager(); Student…
akp
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@IdClass no supertype found

I want to make a table, let's say table's name is Car. It will has 3 column, brandId, typeId and sizeId. I want all of the columns to be primary key. typeId and sizeId are column from different table. I already try to make code using @IdClass. But,…
Ariandi Mario Mukti
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Composite Primary Key Error

I want to make a table, let's say table's name is Car. It will has 3 column, brandId, typeId and sizeId. I want all of the columns to be primary key. typeId and sizeId are column from different table. I already try to make code, but if I use…
Ariandi Mario Mukti
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JPA entities -- org.hibernate.TypeMismatchException

Environment: JDK 1.6, JEE5 Hibernate Core 3.3.1.GA, Hibernate Annotations 3.4.0.GA DB:Informix Used reverse engineering to create my persistence entities from db schema [NB:This is a schema in work i cannot change] Getting exception when selecting…
shane lee
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Hibernate mapping issue with composite-id

I am using hibernate3 in my java app to access sqlserver 2008 enterprise. The hibernate mapping uses composite id and when i try to load model it returns null. I spent days to resolve it but still no result. Composite id mapping should be used for…
taras
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Composite id in hibernate+postgres breaks due to returned column order

I have a parent object with composite-id (legacy db - can't modify this). I have a child object that is a bidirectional one-to-many (parent-to-children) relationship. The mapping is correct, as I can load an instance of either entity and correctly…
ideasculptor
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NHibernate subclasses and composite keys

I have a class StoreHours that has a composite key and has been working perfectly. A new demand came up for another type of hours to be returned. I thought "simple, I'll abstract the base class, have two concrete implementations and change my…
toxaq
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nhibernate composite-id with not existing key-many-to-one record

i have old legacy DB which has dead links in their tables. I have class mapped in nhibernate like this: …
Internal Server Error
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Hibernate joining 2 rows

In order to make my java code easier, I would like to join two rows into one since I really need those two to be present in order to use the data. Let's say those are the fields of my table : ID, FIELD1, FIELD2, DISCRIMINATOR, VALUE Obviously, ID…
Schumi77
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Hibernate - Join Table with Composite ID

I have a Person Table (PersonID), and an Address table (AddressID). I want to create a new Join table called Person_Address which maps Person->Adress using a ManyToMany relationship and I have to specify the primary key as a composition of the two…
user1948363
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hibernate composite-id as a part other composite-id

I try to write mapping to tables. I decided that id and versionId - composite-id for table test. But in table test_question I have composite-id consists from question_id, test_id and versionId. I can't understand as I can use one composite-id…
Ray
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How to work around Session.get() strange behaviour with composite-id?

I'm trying to perform get on the session for object which declares composite id without a mapped composite identifier. Hibernate version used is 3.5.5. Fetching code is generic and reads container objects wrapping actual data: ClassMetadata metadata…
aliher
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I have to rewritew composite-id (xml) to JPA

this is my xml mapping. I need to make JPA mapping …
Dante
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