index « Map « JPA Q&A

1. Mapping of index-property does not work stackoverflow.com

I have this problem: Suppose I have a User, and his is the property of Cards:

public class User: Entity
{
...
public virtual IList<Card> Cards { get; set; }
...
}

<class name="User" table="Users">
    <id ...

2. NHibernate HQL indexed collections as query return type stackoverflow.com

I need to group data that's pulled out of 4 tables via the hql query below. The NHibernate return type is an ArrayList with nested object[] types and I'm able to ...

3. Query the index of a map using criteria forum.hibernate.org

Hi there, I am desperately trying to create a criteria to access an object that contains a map. The problem here is, that the map contains a user restriction like in the following definition: Code: ...

4. Map Delete updates Index Column to Null forum.hibernate.org

5. Autogenerated indexes on a many-to-many mapping table forum.hibernate.org

6. Synchronising indexed property to the child property forum.hibernate.org

Hi experts, I got a question about synchronising indexed property to the child property. Say there's an object A , having a list collection B. So B got a index property, which is managed by hibernate, right? Then B is the parent of an object C. For some reason, we need the index property of B to also be stored in ...

7. Configuring Index to map an exhisting index on oracle dbms forum.hibernate.org

Hi everybody, I would like to configure an index associated with one of the fields of the object which I need to persist, given that I already defined an index on my DBMS for the corresponding field of my table. I did something like that : Code:

8. Indexed Collections when using a Where in the mapping forum.hibernate.org

Hi, Looking for some insight. I have a OneToMany mapping like this: Code:

9. index() and Map forum.hibernate.org

...

10. Using index for a map from the other table? forum.hibernate.org

11. index of maps containing mana-to-many relationship forum.hibernate.org

Hi, Does anybody know how I can access - in HQL - the index of a map containing a many-to-many relatonship? If the map contains normal elements I can use the index function FROM Country country, c.translations as countryTranslation WHERE index(countryTranslation) = 'en' but this doesn't seem to work when the map contains many-to-many elments. FROM Certificate c, c.businesses as x ...

12. Function-based indexing in hibernate mapping forum.hibernate.org

13. HQL, maps and index-many-to-many forum.hibernate.org

I have the following mapping, in my class SubscriberImpl : Code: I try to query my database with the following HQL query : Code: session.iterate("SELECT s" + ...

14. How to map with foreign key as index forum.hibernate.org

I want to map an object collection using the object's id, which is a foreign key, as the map key. When I try to do this using the following mapping, I get a "Repeated column in mapping for collection" error. Mapping this collection as a set without the index ...

15. How can I refer the "index" value of a Map, in a f forum.hibernate.org

16. Specifying column index in mapping file forum.hibernate.org

17. "Map" and "Index" issue with Hibernate forum.hibernate.org

18. Mapping Hibernate Data - Foreigh key as index forum.hibernate.org

Hi, I need a little help with a table mapping. I have the situation below. TABLE_A ID_TABLE_A TABLE_B ID_TABLE_B TABLE_C ID_TABLE_A ( FK ) index 1 - unique ID_TABLE_B ( FK ) index 1 - unique VL_ANY_VALUE_IN_TABLE double The columns ID_TABLE_A and ID_TABLE_B will be foreign keys with constraints on the table C, and together they are a unique index on ...

19. syntax for creating unique index in mapping file forum.hibernate.org

Mapping documents: Represents a contact. protected Unique identity - automatically generated true The contact's first name The contact's middle ...

20. create UNIQUE index using xml mapping forum.hibernate.org

21. Multi Column Index mapping enhancement forum.hibernate.org

Hibernate version: 3.0.4 I need to be able to create indexes on multiple columns in a manner that is independent of the property declaration in a mapping document, in order to dictate the order of the columns in the index. To that end, since Hibernate did not support this directly, I've made minor modifications to Hibernate to allow me to do ...

22. Mapped Map: how to select all existing (key, index)? forum.hibernate.org

23. Creating an Index on a Property using the mapping file forum.hibernate.org

We are having some difficulty getting the index="xx" attribute to actually create an index in mysql. Below is the mapping file. Pay particular attention to the "username" property. Code:

24. Map many-to-many index problem forum.hibernate.org

...

25. Access in HQL the index of a map containing a many-to-many forum.hibernate.org

26. How to map many to many relationship with index on one side? forum.hibernate.org

We have 2 entities: Cat and Fish (species) One cat eats many fishes, and one fish can be eaten by many cats. They have a many to many relationship. Interestingly, each cat have his/her own priority of favorite fishes, and index them by 1,2,...,n. Now we want to operate on cats and fishes: create cat, set favorite fishes; create fish, set ...

27. index column in one-to-many mapping forum.hibernate.org

Hi, We're running hibernate 3.2.0, and I'm trying to figure out how I can get objects in an appropriate order when using a one-to-many mapping. I basically have two classes, Parent and Child, where Parent contains a list of Child objects. Code: class Parent { @Id String id; @OneToMany(cascade= CascadeType.ALL, ...

28. ManyToMany-relationship with Index-Column forum.hibernate.org

Hello everybody I have to translate the following XDoclet-code. /** * @hibernate.list table="PERSON_ADRESSE" cascade="none" * access="field" * @hibernate.collection-many-to-many column="FK_ADRESSE" * class="XYZ" * @hibernate.collection-key column="FK_PERSON" * @hibernate.collection-index column="SORT_INDEX" */ With other words. It exists a unidirectional ManyToMany relationship to the class XYZ. Hibernate Annotations should create a new table ("PERSON_ADRESSE"), which have two foreign keys ("FK_ADRESSE" and "FK_PERSON") and a Index-Column ("SORT_INDEX") ...

29. How to create unique index by using hibernate mapping file? forum.hibernate.org

30. Mapping association table with data and index column as key forum.hibernate.org

Hi, I'm in desperate need of help with creating the right mapping for the following scenario: users table: pk=userid, password, etc... addresses table: pk=addressid, street, etc. useraddresses table: pk=(userid, position), addressid, description Notes: 1. Each user can have multiple addresses (1:N) but every address is associated with only one user. 2. I'm mostly interested in unidirectional navigation: user->address 3. I'd like ...

31. [Mapping] Can we map a set on unique index multiple columns? forum.hibernate.org

Hello, I need to map a link between two table where the foriegn key is not the primary key. Table A (id, col1, col2, col3, col4) | (col1, col2, col3) is unique Table B (id, col1, col2, col5) | (col1, col2) is unique We got a link many to one between table A and B. I used "property-ref" and "properties" so ...

32. 3.2.6 Hql query map index forum.hibernate.org

33. map-key-many-to-many using entity as index forum.hibernate.org

Newbie Joined: Fri Apr 25, 2008 7:39 pm Posts: 3 I'm trying to use an entity (SpeakerKey) as an index for a many to many association of speakers to events. (As outlined in Ch5 pgs 134 & 135 og 'Hibernate Quickly'). Below are the mappings and classes.... that produce this error: ERROR BasicPropertyAccessor: - IllegalArgumentException in class: com.manning.hq.ch05.manytomany.EventManyToMany, setter method of ...

34. HQL using indexes for maps with OR conditions forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.2.6 Name and version of the database you are using: Derby, SQLServer BACKGROUND ========== I am using a Collection of primitive types which hibernate allows - I have defined a Map entity with appropriate hibernate annotations as follows - @CollectionOfElements(fetch=FetchType.EAGER) @JoinTable(name = "MY_MAP", joinColumns = @JoinColumn(name = "OWNER_ID")) ...

35. Collection Mapping with index forum.hibernate.org

Newbie Joined: Sun May 17, 2009 1:40 pm Posts: 3 This is the contact class, it's one per person.. contact details change many times and history has to be maintained, hence we've used one to many mapping. Code: @Entity @Table(name = "contact") public class Contact implements Serializable { private Long id; private String createdBy; ...