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1. how to write join query in hibernate    stackoverflow.com

I have created two beans User and VirtualDomain with many to many relationship

@Entity
@Table(name = "tblUser")
public class User implements Serializable {
    private Long id;
    private String ...

2. Hibernate Join with OR clause    stackoverflow.com

I'm trying to figure out how to generate a simple join that uses an 'or' clause contained within it, using HQL or Hibernate annotations. Here is an example of what I ...

3. Problem with Hibernate join query    stackoverflow.com

I have a problem with writing a join query in Hibernate although I can write it in sql. It looks like this:

Select * from z, y, t where z.id = y.id ...

4. HQL join: finding Users friends who haven't preformed an action (Which is better?)    stackoverflow.com

I'm looking to display users friends who haven't preformed certain actions. E.g borrowed a book, bought a book. When a user buys/reserves to the book a row is recorded, So i need a ...

5. Hibernate Query Problem    stackoverflow.com

I am using Hibernate. My database is as follows A Category has many attributes class category contains

private Set <Attribute> AllAttributes= new HashSet  <Attribute>();
class attribute How do I retrieve all categories together ...

6. hibernate query    stackoverflow.com

I'm trying to carry out the following query using hibernate's construct SQL query:

SELECT thi FROM track_history_items thi 
JOIN (SELECT max(id) distinct_id FROM track_history_items WHERE type='TrackBroadcast' GROUP BY artist_id) distinctIds 
ON distinctIds.distinct_id ...

7. Hibernate HQL Query Subselects or Joins    stackoverflow.com

In a custom blog platform with User(s), Post(s), and Message(s). I know how to do an HQL query with distinct Users and their Post count. Also distinct Users and their Message count. But ...

8. How can I join with a SQL view in a Hibernate query?    stackoverflow.com

I have created a SQL view that calculates a function of two table rows. I want to use the view to limit the output of a hibernate query, but am ...

9. JPA2 Criteria Query JOIN    stackoverflow.com

I have following class ( entity )

@Entity
public class  Magazine {
    private int id ;
    private String magazine;

        ...





10. Custom Join Clause For Hibernate Many To One    stackoverflow.com

Is it possible to tailor the query that hibernate executes when retrieving associations for a given entity? More specifically I would like to add an extra condition to a join clause ...

11. JPA Multiple Queries on join    stackoverflow.com

In this specific scenario, say I have a couple of tables {A,B} and their generated JPA classes. There is a FK relationship on a column X from Table A -> Table ...

12. How to add a "on" clause on hibernate criteria?    stackoverflow.com

DetachedCriteria criteria = DetachedCriteria.forClass(Parent.class,"parent");
criteria.createAlias("parent.child","thechild");
criteria.add(Restrictions.eq("thechild.property", "somevalue");
I read many sample code like above, here the criteria join two tables, parent and child, but I just don't know how/where to specify a On condition ...

13. Join in Hibernate Query    stackoverflow.com

I have classes:

**class** User{
String id;
ArrayList<UserAttribute> attributeList=new ArrayList<UserAttribute>();
}

**class** UserAttribute{
User user;
String value;
String key;
}
I have tables associated to classes. table user
column id
table user_attribute
column user_id
column key
column value
example user table content
user_id="123"

user_id="234"
example user_attribute table contents
user_id="123", key="address", value="green house ...

14. using join query in hibernate    coderanch.com

hi i cant get multiple column values by using the foll. query. supplierList=sess.find("select a.id,a.desc,from groupAccount a in(b.msupplier,b.mnumber from supProduct b where a.id=b.supcode)"); when i am using this query in sql directly, i got the answer. but in session, i cant get the result. i think i should use the join query or subclass query. if anybody knows ,give that concept. when ...

15. HQL join query not executing    coderanch.com

I have 3 tables user_master : contain with user_id, user_name group_master : contain with group_id, group_name user_group : contain with user_group_id, group_id, user_id SQL statment : select a.user_group_id, b.group_id, b.group_name from user_group a left outer join group_master b on b.group_id=a.group_id; but when i am using HQL is not execute what i did the mistake? please let me know public class GroupMasterPojo ...

16. Problems with Hibernate HQL Join Query    forum.hibernate.org

Hi All, I'm working on a Struts Application that uses Hibernate. I'm just learning Hibernate and I'm having some trouble getting things to work. In the end I'm trying to execute the HQL equivalent of the following SQL: Code: SELECT D.DEFECTID, D.DESCRIPTION, P.DESCRIPTION as Priority, D.REPORTDATETIME as ReportDate, SF.USERNAME as Reporter, FA.AreaName as FunctionalArea, S.Description ...





17. How to join a select ?    forum.hibernate.org

Hello, I have a problem for generate a criteria query, and even in HQL i don't knwo how to do it. I have a table Action (#ActionId, ActionDate, ActionGroup), and the associated class ActionVO (AcnId, AdnDate, AcnGroup) I want to retrieve the last action of each group. So in sql should be something like: SELECT A.* from Action A JOIN (select ...

18. select with joins (+)    forum.hibernate.org

19. Hibernate Query - joins - howto?    forum.hibernate.org

20. queries with joins    forum.hibernate.org

Hello, I have a query I have written in SQL that I can't figure out how to translate into HQL properly. I have a main table (PACKAGE) that is left-joined to two tables (IMAGE and EMAIL). The object modelling for this is that a Package object contains a collection of Image objects and a collection of Emal objects. The goal is ...

21. join in scalar query    forum.hibernate.org

Hi, Is there a way to force the implicit use of "left outer joins" in scalar queries? For example, if I have this query: "select cat, cat.mate.name from DomesticCat cat" the result set won't contain cats that do not have mates. But what I want is to have null returned as the mate's name, when the cat doesn't have a mate. ...

22. How to do two joins in same query?    forum.hibernate.org

I'm trying to join MpLote with Mp and ArmazemMp in the same query. As the mapping file shows, MpLote has a "many-to-one" relation with Mp and a "one-to-one" relation with ArmazemMp. I've tried diferent ways but it keeps giving me: Code: net.sf.hibernate.QueryException ( ... ) Can someone please help me on this? ------------------ Testing Code ------------------ Code: ( ... ) SessionFactory ...

23. Wierd stuff creating a query with many joins    forum.hibernate.org

24. 3 joins instead of a plain select    forum.hibernate.org

Gavin, i remember that iterate() method is hitting the cache and find() & list() does not. If we're deploying the app - first without a cache system, list & find are better - but if we decide later to "plug" a cache, we have to recode all the list() & find() to iterate() to take advantage of cache. Am i right? ...

25. Why multiple selects instead of a join?    forum.hibernate.org

I have a two tables, basically a parent table and a child table. I want the parent object to contain a set of child ids as opposed to references to the child objects themselves. I feel I set this up propertly in the hbm.xml file (see below). However, when I access all the parent objects I see that hibernate executes a ...

26. The problem about Join clause    forum.hibernate.org

I fell in trouble using Hibernate about "Join" clause, it bother my development plan very much. here is a example 1) SessionFactory sessions = conf.buildSessionFactory(); 2) Session s = sessions.openSession(); 3) Transaction t = s.beginTransaction(); 4) select new UserInfo(c.name,a.account,c.custId) from CustomerDto as c left outer join AccountDto a 5) list = s.find(sql); ... when the program run at line 5), it ...

27. Simple join query    forum.hibernate.org

28. SELECT query with JOIN.    forum.hibernate.org

29. How to give a Simple Join Query    forum.hibernate.org

Hi, I am trying to join 2 tables with the following query:- select person.first_name from RefPerson person inner join RefTruck truck where truck.modify_person_num = person.person_num and truck.modify_person_num = '1' Schema of the classes is as follows:- RefPerson:- CREATE TABLE [dbo].[REF_PERSON] ( [person_num] [TPT_Num] NOT NULL , [first_name] [TPT_Name] NOT NULL , [last_name] [TPT_Name] NOT NULL , [middle_name] [TPT_Name] NULL , [person_initials] ...

30. Additional Criteria in the JOIN Clause    forum.hibernate.org

Hi, how can I do the sql query below with hibernate? select * from project p right outer join project_date pd on p.idproject = pd.idproject right outer join date_type t on (pd.idtype = t.idtype and pd.idproject = ?) I looked on Creteria and SQL Query with hibernate...but I could not find a solution for this. If anyone could point the solution ...

31. HQL JOINs resolved in too many SQL queries    forum.hibernate.org

Hi, all I've just started to use hibernate and I appreciate it's power, but now I've a big trouble. I've already read all possible messages inside this forum and available documentation, and now a big wall is just in front of me. I defined an HQL query that join several tables (it's a simple multiple join query as always I used ...

32. indices in Join queries    forum.hibernate.org

I am trying to join the key part of a Map collection in a query, but the sql generated always seems to create a join condition using the value column and not the key. Is there any way to force the join condition to work of the key rather than the value

33. Is it possible to add criteria to join clause?    forum.hibernate.org

I have following tables and corresponding classes with appropriate get/set methods for all fields. ITEMS ID ORDER ID ITEM_ID CUSTOMER_ID class Item{ privater long id; private Set orders; ... } class ORDER{ privater long id; private Item item; private long customer_id; ... } Could anyone suggest a HQL query that selects all items that have no orders for given customer_id? SQL ...

34. [newbie] doubt in implementing QUERY which uses JOIN    forum.hibernate.org

net.sf.hibernate.hql.QueryTranslator - compiling query net.sf.hibernate.QueryException: outer or full join must be followed by path expression [ Select d.PageName, d.IllustrationID, d.PageUID FROM com.toro.enterprise.oag.base.v1_0.tblPage4Pub.Page4Pub c INNER JOIN com.toro.enterprise.oag.base.v1_0.tblPage.Page d on c.PageID = d.PageUID] at net.sf.hibernate.hql.FromParser.token(FromParser.java:166) at net.sf.hibernate.hql.ClauseParser.token(ClauseParser.java:87) at net.sf.hibernate.hql.PreprocessingParser.token(PreprocessingParser.java:123) at net.sf.hibernate.hql.ParserHelper.parse(ParserHelper.java:29) at net.sf.hibernate.hql.QueryTranslator.compile(QueryTranslator.java:149) at net.sf.hibernate.hql.QueryTranslator.compile(QueryTranslator.java:138) at net.sf.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:293) at net.sf.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:1561) at net.sf.hibernate.impl.SessionImpl.iterate(SessionImpl.java:1591) at net.sf.hibernate.impl.SessionImpl.iterate(SessionImpl.java:1581) at net.sf.hibernate.impl.SessionImpl.iterate(SessionImpl.java:1573) at src.DrawingTest.main(DrawingTest.java:72)

35. Criteria queries and joins    forum.hibernate.org

[b]Hibernate version:[/b] 2.x I'm having a lot of difficulty working out how to do joins using criteria queries. My understanding of criteria queries is that when you call createCriteria(class), the class you give it is the persistant class that you want the data to be returned as an instance of. I want to do a query that returns a list of ...

36. Join queries    forum.hibernate.org

Hi I have problem when i use join queries let me state with simple example i have something like this in my database Table1 which has columns as : id,name Table2 which has columns as : id,address values in Table1 are as follows: 1001 Hibernate values in Table2 are as follows: 1001 Gavin King k normally when i need to query ...

37. join selects    forum.hibernate.org

Hi I've just started learning Hibernate on my own, and I think I already understand the basics. I've seen how to map the tables to POJO's where you can access the properties of the resulting objects with set/get methods. But there's something I havent been able to find: when you implement a select with joined tables. For example the simple case: ...

38. How to use joins in HQL queries    forum.hibernate.org

Outer Joins and Explicit Fetching Generally, one of the best way to improve performance is to limit the number of trips to the database. Hibernate has a number ways its handles the N+1 issue. Associations can be explicitly flagged for outer join fetching (via outer-join="true"), and you can add outer join fetching to HQL statements. For example... /** * @hibernate.many-to-one column="gold_claim_id" ...

39. the need for "join" in queries    forum.hibernate.org

Hibernate version: 2.1.7 Hi, Is it possible to write a query in hibernate like, "from Parent parent where parent.child.age=3" and even "from Parent parent where parent.children.age=3" where I assume that parent entity has a composite-element list of child, children. or we need to explicitly write the join. "from Parent p join p.Child child where child.age =3" if JOIN is necessary, I ...

40. join query(hql-sql conversion) problem    forum.hibernate.org

Hibernate version:2 oracle9i it is not generting SQL I am trying execute join on using HQL. The background is: I have 2 tables ERROR_HIST and DEVICE_READINGS, where DEVICE_READING KEY is a foriegn key in ERROR_HIST and primary key in DEVICE_READINGS. It is one-many relationship between DEVICE_READING and ERROR_HIST My sql is : select eh.* from error_hist eh,device_readings dr where eh.DEVICE_READING_KEY=dr.DEVICE_READING_KEY AND ...

42. two joins in single query with hibernate    forum.hibernate.org

43. Criteria Query adding unwanted join    forum.hibernate.org

Newbie Joined: Mon Aug 29, 2005 1:14 am Posts: 10 Hibernate version: 3.0.5 Mapping documents: (see below) Full stack trace of any exception that occurs: (see below) Name and version of the database you are using: postgresql 8.0 The generated SQL (show_sql=true): (see below) I'm trying to use org.hibernate.criterion.DetachedCriteria to generate a query. The class/table I want to query (Report) has ...

44. Optimising Query (how to use Join?)    forum.hibernate.org

Hi guys! I have little question concerning using of the join operation. I have two classes: DeliveryTariff and CountryGroup CountryGroup is very simple and looks like: ID | name | country ____________________ 0 DHL-EU DE 1 DHL-EU FR 2 DHL-EU UK 3 GLS-EU DE 4 GLS-EU BE .... DeliveryTariff allways depenends on exactly one CountryGroup: ID | name | country_grop |price ...

45. create a query using JOINS with OR clause    forum.hibernate.org

46. how to write criteria query with join for unassociated entit    forum.hibernate.org

Hey fuzebest I have got nearly the same problem. I my design I associate classes via id like: class Item id:Long name:String class Bid id:Long itemId:Long amount:BigDecimal Where the Bid::itemId is a foreign-key to Item::id in database. My problem is how do I/ can I make a serch criteria which joins the two classes? Something like? List result = session.createCriteria(Bid.class) .createAlias("items", ...

47. Hibernate issuing mulitple selects after join    forum.hibernate.org

Hi, I have created a simple one-to-one mapping and after issuing the correct hibernate-generated SQL involving a JOIN, it starts issuing single selects for each and every ID in the table. I have done the same thing with other classes, the only difference being that the identifying column names are different in this case, and it worked fine (i.e. only the ...

48. Join Query sample    forum.hibernate.org

49. Criteria queries: using subselects instead of joins    forum.hibernate.org

Hibernate version: 3.1.2 There doesn't seem to be any way of performing a criteria query similar to: Q1: from Parent p where exists(from p.children c where c.shoesize >= 10) The closest I can get is: Criteria crit = session.createCriteria(Parent.class); Criteria subCrit = crit.createCriteria("children"); subCrit.add(Expression.ge("shoesize", 10)); crit.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY); but that's not quite the same, it's more like: from Parent p join p.children c ...

50. Problem with Hibernate query(join)    forum.hibernate.org

I am having two tables Entry and Task. Entry and Task are having 1 to many relationship. Now I want to fetch a data from Entry and Task in such a way that in the result list I get only one row, means all records from Entry table and only one record from Task table with earliest REG DATE. for Example: ...

51. HQL Selection through causes wrong join    forum.hibernate.org

52. Problem with Join Queries in Hibernate    forum.hibernate.org

53. Multi-level join using criteria query    forum.hibernate.org

I am trying to confirm the syntax for a multi-level join using criteria query (all examples I have seen so far are for a single join). I am writing a forum application, where one forum contains multiple threads and one thread contains multiple posts. Given a forum id, I would like to write a criteria query which returns the forum along ...

54. Transforming SQL query into HQL and self join    forum.hibernate.org

55. Hi Freinds,Problem in simple Join query    forum.hibernate.org

Hi intimate2talent, Represents an association fetching strategy. This is used together with the Criteria API to specify runtime fetching strategies static FetchMode DEFAULT Default to the setting configured in the mapping file. static FetchMode EAGER Deprecated. use FetchMode.JOIN static FetchMode JOIN Fetch using an outer join. static FetchMode LAZY Deprecated. use FetchMode.SELECT static FetchMode SELECT Fetch eagerly, using a separate select. ...

57. Joined secondary select    forum.hibernate.org

Hibernate version: 3.2.3 Mapping documents: @Entity @Table(name = "bien") @Inheritance(strategy = InheritanceType.JOINED) public abstract class Bien extends AbstractPOJO { .... protected Ubicacion ubicacionPorDefecto; protected UnidadMedida unidadMedida; .... @ManyToOne @JoinColumn(name = "id_ubicacionpordefecto") @org.hibernate.annotations.ForeignKey(name = "fk_bien_ubicacion") public Ubicacion getUbicacionPorDefecto() { return ubicacionPorDefecto; } @ManyToOne @JoinColumn(name = "id_unidadmedida", nullable = false) @org.hibernate.annotations.ForeignKey(name = "fk_bien_unidadmedida") public UnidadMedida getUnidadMedida() { return unidadMedida; } } @Entity @Table(name ...

58. HQL: Join onto Select View    forum.hibernate.org

SELECT phraseSearchSummary.phrase FROM PhraseSearchSummary AS phraseSearchSummary WHERE phraseSearchSummary.phrase IN (SELECT innerPhraseSearchWord.phrase FROM PhraseSearchInventoryWord AS innerPhraseSearchWord WHERE innerPhraseSearchWord.word.word IN (:words) GROUP BY innerPhraseSearchWord.phrase HAVING COUNT(*) = :numberOfWords)

59. Join vs many selects    forum.hibernate.org

I always learned that the more select statements you have, the slower your app will work. Now I have done a few tests on the project I am currently working on and it amazed me that 100 selects runs almost twice (and probably scales higher as it grows) as fast as a big join query. This happens when there are alot ...

60. Join Select    forum.hibernate.org

61. How do I write query without joining?    forum.hibernate.org

Hi, If you choose data from one table (schools in your case) using information from another table (teacher's salary in your case) you always will get join or use nested queries (until you already have your list of teacher's ids). IMHO you can: 1) leave it as it is (good choice); 2) reformat HQL to use subquery; 3) denormalize tables to ...

62. HQL join query set.    forum.hibernate.org

Hi, I am new to hibernate and have a question. Its a simple one but dint find answers anywhere. I do a join and select 6 fields. The thing is that it goes on to the inner level. "select distinct " + "sc.componentVersion.component.name as cname, sc.componentVersion.component.description " + ",sc.componentVersion.version, sc.componentVersion.description " + ",sc.componentVersion.component.group.name, sc.componentVersion.component.group.description " + "from Stack as s join ...

63. HIbernate Join query in Criteria    forum.hibernate.org

Hi There is a join between two table in my program. So i can use criteria.createAlias(); This is working. Now i don't have any join between two tables in other case. now i need to retrieve data in search module. so i tried like the following code getSession().createCriteria("dao.com.model.Staff")setFetchMode("dao.com.model.Renew", FetchMode.JOIN) When i tried to access Renew field i got could not resolve ...

64. Criteria queries with many-to-many joins    forum.hibernate.org

Hello, I'm having a hard time figuring out the correct way to configure a criteria query and I'm hoping someone can help me out or point in the right direction. The annotated classes are below, but basically I have two entities: Account and ChartReview. A ChartReview has many reviewers (accounts) and an Account can have many ChartReviews. I'm trying to figure ...

65. Using "order by" with multiple joins, multiple sor    forum.hibernate.org

Beginner Joined: Sun Oct 14, 2007 7:29 pm Posts: 23 Hello, I have the following HQL query text with multiple joins and several order criteria: Code: select usrprof from Usrprofiles as usrprof, Compmsgs, Usrmsgs left join fetch usrprof.compdatas as comps left join fetch usrprof.usrmsgses umsgs left join fetch comps.compmsgses compmsgs where (usrprof.username='johndoe' and compmsgs.viewed=false and umsgs.viewed=false) order by comps.companyname asc, compmsgs.logdate ...

66. Problem with Join Query    forum.hibernate.org

Newbie Joined: Thu Jan 24, 2008 1:35 am Posts: 9 Hello, I have the query below which returns a collection "Objects" instead of "Group". Any ideas on what I maybe doing wrong? When I look at the returned objects in a debugger, its actually an array containing 1 Group and 1 GroupRole object. Code: Session ...

67. Specify order of joins in HQL    forum.hibernate.org

Hi I am using Hibernate 3.2.4 on oracle 10. I am trying to force order of joins in hql but with no sucess. i have following objects and relationships: Instrument CurrentPricing Currency Instrument has many currentPricings (set) and currentPricing object has single currency object. I would like to create query that searches instrument by code and eagerly loads currentPricings and currency. ...

68. HQL join clause and WITH    forum.hibernate.org

69. hql join query    forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.0 Mapping documents: Document.hbm.xml ...

70. hibernate, join query using criteria    forum.hibernate.org

Hello, someone can help me ..... with Hibernate, criteria and join..... I have two tables, one is called the Resource and the other ResourceAttribute. Table ResourceAttribute there is a field that matches idResource to their incremental resource table. For example: Resource Table id title private 1 test1 0 2 test2 0 Table ResourceAttribute id idResource name .. ......... .... 10 2 ...

71. Determine if Criteria will produce a query with joins    forum.hibernate.org

Does anybody know of a reliable way to determine if a Criteria's query plan will contain joins? I can use the CriteriaImpl.iterateSubcriteria to check for the existence of a sub-criteria, but there's also a scenario in which there are associations with a JOIN-based FetchMode, which can be specified at runtime or in the SessionFactory config. I would like to be able ...

72. HQL Join query    forum.hibernate.org

Thanks a lot guys, but the thing is, I desperately need the null values (no way I do select from x,y where x = y) and there's no relationship ;-) I'll explain what's going on, why I can't have a relationship: I've got a table with records - month / year / value / category. And I need to get e.g. ...

73. simple scalar select join not working    forum.hibernate.org

Hi, I have a Chapter and Book bean. The Chapter has a many-to-one mapping to book as follows: I assume that with this mapping, I can now do an HQL join as follows: select c.id, b.id from Chapter c join Book b where c.id in (:idlist) But this is not working! I get a NullPointerException: ...

74. Multiple queries instead of JOIN    forum.hibernate.org