hql « Composite « JPA Q&A





1. How to map a composite key with Hibernate?    stackoverflow.com

In this code how to generate a Java class for composite key (how to composite key in hibernate):

create table Time (
        levelStation int(15) not ...

2. Hibernate composite id mapping through HQL    coderanch.com

Hi, i have table with composite PK: and i need other table to join it with many-to-one relationship: ... ... the name="kategoria" stands for name of column in Zadanie table which contains id value ...

3. ArrayList of Composite Keys in HQL IN clause.    forum.hibernate.org

I have a simple HQL Named Query SELECT p FROM Photo p WHERE p.pk IN (:photoPks) I set the Parameter with a List objects, and it writes the correct query format with the WHERE clause looking like WHERE (event_id, scan_num) IN ( ( ?, ?) , (?, ?)).... but when it tries to assign the parameter values it is trying to ...

4. HQL with derived property with composite key    forum.hibernate.org

I have an entity (Person) with a derived property that maps to another entity (Alias) using a specific formula. This other entity has a composite key. Here are classes with annotations I used to reproduce the problem I have in my application: Code: @Entity(name = "testAlias") public class Alias { private AliasId aliasId; ...

5. Using a composite class as a HQL parameter    forum.hibernate.org

class User { private Name name; Name getName() { return name; } void setName(Name name) { this.name = name; } } Name name = new Name("John"); session.find("from test.User as user where user.name = ?", ...

6. HQL problem with composite ids...    forum.hibernate.org

Thanks again. Not sure if I am interpreting correctly or no, but do we not need to have class.attribute=true, instead of class=true, as in, from Something s where s.class.isalid=true... I am currently getting this exception: "from " + CreditCard.class + " c where c.isValid=" + true; for : at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:134) Caused by: net.sf.hibernate.QueryException: unexpected token: class [from c class com.credit.CreditCard where ...

7. How to access composite-id elements from HQL    forum.hibernate.org

8. How to write a hql with composite key?    forum.hibernate.org

Hi, After playing around some time, I finally sort out how to use XDoclet to generate a table with composite key by having two classes while one class for Primary key properties However, I don't know how to write the hql as the primary keys are under another java class. If only one java class, I can write something like this ...

9. HQL to get results based on partial composite-map-key?    forum.hibernate.org

I have a map. The map has a composite-map-key. I need to do a query against a part of the map-key. In my case The composit-map-key has 3 different columns. I want to query against 2 of them. See below. But is this possible at all? Hibernate accepts the query but does not generate valid SQL. Suggestions? Hibernate version: 3.2.5ga Mapping ...





10. HQL for composite element with multi column property    forum.hibernate.org

Hi, I am using Hibernate 3.2.5 and need some help to resolve this issue. I have following mapping (showing part of it for sake of brevity) Code: ...

11. hql with ???    forum.hibernate.org

12. Need help with HQL - Only need composite-element returned    forum.hibernate.org

Hi All, I am having a trouble how to work out the query to return just the transaction records that I want to be returned from teh database. Below is the Hibernate mappings; Code: ...