1. hibernate: foreign key is primary key stackoverflow.comi have 2 tables relation one-to-one: |
2. Primitive or wrapper for hibernate primary keys stackoverflow.comI've been looking at various hibernate tutorials and samples, for their identity/primary key property, some use a Java primitive type, some uses the wrapper type, that is; |
3. Hibernate 3 Set Primary Key with code coderanch.com |
4. Primary key and Hibernate coderanch.com |
5. Hibernate & primary keys coderanch.comHowdy, we are designing a new Spring based rewrite of an existing system and we wanted to use Hibernate to abstract out the persistence layer. One of the architects has stated that we cannot use Hibernate because it cannot handle tables that have been defined without primary keys and that iBatis is the best solution. Can anyone here validate that position? ... |
6. Hibernate and Primary Key coderanch.comHi , I am trying to use the Hibernate Plugin to generate the hbm files for the Application . But this complains that my Table doesn't have a Primary key . so i have a question here Will the Hibernate will not work if the Tables don't have a Primary Key concept ? Thanks in advance. |
7. JPA Primary Key from two foreign key java-forums.orgHello, I am new with java, eclipse, jpa(eclipselink), postgresql, and trying to make a web application. I have two tables: bids: id, quantity, price trades: bidid, askid, quantity, price bidid and askid columns are foreign keys from bids table (id), and they are the primary key for the trades table. I created the Entities from the Tables (Bid and Trade class) ... |
8. Need help for retrieving data using non primary key? forum.hibernate.orgHello Friends, I am developing on sample application using Struts 1.2, Hibernate 3.2 Oracle 9i, Weblogic 8.1 Table is EMP table in oracle. My application main objective is To display emp data on JSP. I have successfully done insert data, update data, delete data,retrieving (primary key). I am not able to retrieve data using non primary key value(like mgr column in ... |
9. Foreign IS the primary key forum.hibernate.orgHey folks, I'm relatively new to Hibernate and I must say, so far, it's been great! I've been going through the tutorials and documentation trying to get my feet wet and have had relatively little problems, but one in-particular has been giving me some trouble. Rest assured I've googled the shit out of this as well as a couple of search ... |
10. Associationtable with non-primary keys forum.hibernate.orgLogin Register FAQ Search View unanswered posts | View active topics Board index Hibernate & Java Persistence Hibernate Users All times are UTC - 5 hours [ DST ] Associationtable with non-primary keys Page 1 of 1 [ 1 post ] Previous topic | Next ... |
11. Edit primary key, if it's a foreign key forum.hibernate.orgI have a problem: I can't know, how edit primary key, if this key is a foreign key... ER: I want to edit curseId, but I can't... User.java Code: @Entity @Table(name = "USERS") public class User implements Serializable { @Id @Column(name = "USER_ID", nullable = false, length = 10) private String userId; @Column(name ... |
12. [SOLVED] Using foreign key as primary key forum.hibernate.orgHi, I want to use a foreign key as a primary key. The problem is my foreign key is contained in an object so I don't know how to use Annotations properly to tell Hibernate about this. My classes: Code: @Entity public class Destinatario implements Serializable { private Long id; private String nome; ... |
13. Optional, primary key, one-to-one no longer working in 3.5.4 forum.hibernate.orgWe just upgraded to 3.5.4 from 3.3.2 (Core). We have an entity class called PerOrg (short for Person/Organisation) which has relationships to several optional 'role' entities. These relationships are one-to-one based on the primary key (an assigned string 'id'). Each relationship is defined in the 'PerOrg' class similar to the following: @OneToOne(fetch = FetchType.EAGER, optional = true) @PrimaryKeyJoinColumn @Updated private Supplier ... |
14. Is primary key must? forum.hibernate.org |
15. Naming Strategy for Primary Key forum.hibernate.org |
16. Foreign key as primary key forum.hibernate.orgI'm having some troubles getting using a foreign key as a primary key. In this post I will use the most simple issue I'm having trouble with. Here's some snippets (pharmacy project): public abstract class AbstractDrugModel { private String name; private IntravascularDrug ivDrug; } public class IntravascularDrug { private AbstractDrugModel drug; } Note 1: I am only just introducing hibernate, previously ... |
17. Avoid character set conversion for primary keys forum.hibernate.orgWould it be sensible/is there any way to use something other than java.lang.String for primary keys to avoid character set conversion overhead? My primary keys are varchar in SQL Server 2000 and have no business meaning so it seems a shame to move them in and out of java.lang.String Would it make more sense to use something based on a byte ... |
18. multiple results returned for one primary key forum.hibernate.orgHi, i use the following finder method to find a number of business objects by primary key: Code: public static List findByPrimaryKeys(Session pSession, List pKeys) throws HibernateException { Query query = pSession.createQuery("select from BO1 as bo1 " + ... |
19. Only foreign keys that are primary keys forum.hibernate.orgI have 3 tables all related: mp id (PK) mp_requisicao_sq id (PK) mp_FK req_mp_items mp_requisicao_sq_FK (PK) mp_FK (PK) When I try to do a insert on "mp_requisicao_sq" I get the error: SEVERE: An AssertionFailure occured - this may indicate a bug in Hibernate net.sf.hibernate.AssertionFailure: null identifier ( ... ) What does this mean? Please help. |
20. Foreign key must to referenced primary key problem forum.hibernate.orgHere is the error I am getting when attempting to create a sesion: Quote: Foreign key must have same number of columns as referenced primary key How can I make the mapping file below will not generate the above error? I am running against a MSSql Server 2000 DB. Below is the mapping file that generates the error: ... |
21. Primary foreign keys forum.hibernate.orgHi ppl! I'm a little bit confused on how to declare foreign keys as primary, the column shouldn't use any generator (cause the value has been generated in another table)? And what about the |
22. Beginner Question: Composed Primary Keys forum.hibernate.orgHi! I have to decide wheter to use Hibernate or an other Mappingtool. For those decision I neet an answert to the following question: Does Hibernate support composed primary keys, for instance something like that: create table master ( master_id int, version int, primary key pk_master (master_id, version) ); create table detail( detail_id int, master_id int, version int, primary key pk_detail(detail_id) ... |
23. Hibernate is Messing with my primary keys. forum.hibernate.orguuid.hex is Biggest crp out there, it fills your primary keys with HUGE strings. I want to set my primary keys as Integers and make them as SEQUENCE on postgres, thats a problem to do. The problem is to tell hibernate that he doesnt need to map the field, but if I dont do that how will a NOT NULL field ... |
24. Email is my primary key - nothing else forum.hibernate.orgI know this is strange, but hey ... I'm parsing out some user information from an XML feed. The only key I have to work with is the value of the email. Therefore, my db is setup to have the email as a primary key. I've used Hibernate on a couple simple projects up to now (this one being one of ... |
25. Many-to-one WITHOUT using primary keys forum.hibernate.orgI would like to perform a mapping between an object that contains a collection of files, called Package, and a collection of file objects, call PackageFile. I do not want to use the primary keys for this mapping. Instead I want to use the GUIDs from the object to form the relationship. When I run my test, I get an empty ... |
26. Many-to-one without primary keys forum.hibernate.org |
27. One to many foreign key on non-primary key forum.hibernate.orgHello, I have to map my hibernate classes to an existing db and am having the following problem: I have ClassA which has a one-to-many relationship with ClassB. However the foreign key is not done with the primary key of class A. The data model would look like this Code: Table A --------- field1 (primary key) field2 Table B --------- field3 ... |
28. Don't want tho gernerate Primary key forum.hibernate.org |
29. Using of user-defined types as primary key forum.hibernate.orgNewbie Joined: Thu Nov 18, 2004 5:56 am Posts: 3 Location: Cologne, Germany Hi, for my current client I have to evaluate an ORM-Tool appropriate to their requirements. Hibernate fits nearly all the requirements in a really smart way. Anyway, there is one problem I cannot solve: My client is using DB2 User-Defined Types as the data type for primary key ... |
30. Primary/Foreign key with legacy data forum.hibernate.orgHibernate version: 3.0a I have two legacy tables: table A: composite_pk pk_A1 pk_A2 /composite_pk prop_x prop_y table B: composite_pk pk_A1 |
31. More detailed description of Primary key problem forum.hibernate.orgAuthor Message SSSS Post subject: More detailed description of Primary key problem Posted: Tue Jan 11, 2005 1:45 pm Beginner Joined: Thu Dec 02, 2004 4:49 am Posts: 32 Sorry for posing the same question again...but this time i am giving more detailed desciption of my problem...but I am completely stuck up here...plz help Hibernate version:2.1.7 Mapping documents: |
32. Does it neccessary to define Primary Key forum.hibernate.org |
33. Retrieving Set for a non Primary key memeber forum.hibernate.org |
34. No Primary Key? forum.hibernate.orgHibernate version: 3.0 Mapping documents: |
35. XML import problem: primary key ignored, many-one ignored forum.hibernate.orgPage 1 of 1 [ 1 post ] Previous topic | Next topic Author Message gold_griffin Post subject: XML import problem: primary key ignored, many-one ignored Posted: Thu Jun 30, 2005 8:54 pm Newbie Joined: Thu Jun 30, 2005 6:22 pm Posts: 1 Hi I am importing an XML document, and ... |
36. Multiple foreign keys as the primary key forum.hibernate.org |
37. Foreign key referenced primary key forum.hibernate.orgMapping documents: |
38. newbie: primary key forum.hibernate.orgHi all, I'm trying to use Hibernate with a table with no primary key. It does have a VARCHAR column which uniquely identifies each row, to use the cat example it looks something like this (of course I'm not dealing with cats): unique_name varchar age int weight int color varchar the table is not used in any joins which is why ... |
39. Quary by Primary Key forum.hibernate.orgHi, I am using Spring HibernateTemaplate class. I need to quesry database with my primary key. I am trying to use get or load methods.But model class does not have serelizable id defined. Is there any other simple methods without writinf "from table name where pk=xxx" ? Code: public Templatedetail searchTemplateByPK(String templateid) throws InfrastructureException { try { Templatedetail obj = (Templatedetail)getHibernateTemplate().get(Templatedetail.class, ... |
40. one-to-one with Primary keys forum.hibernate.orgHi. I am having difficulty with a one-to-one relationship. Here is my schema create table User (user_id int(5) not null auto_increment, user_name varchar(10) not null); user_id - primary key create table Admin(admin_id int(5) not null, admin_name varchar(10) not null); admin_id - primary key. |
41. wrong primary keys from MultipleHiLoPerTableGenerator forum.hibernate.org |
42. |
43. Primary Key being set when statement fails. forum.hibernate.orgHeya. I'm testing an integration testcase (using Spring's AbstractTransactionalDataSourceSpringContextTests class) where I'm creating an Address object and setting its not-null properties one-by-one, testing that it won't save if I've left a not-null field as null. I was surprised by the following behavior: Code: ... Address address = new Address(); address.setStreetAddress1("Street 1"); try { this.addressDAO.saveOrUpdate(address); this.addressDAO.flush(); ... |
44. How to change primary key? forum.hibernate.orgYou can choose to by-pass the ORM and update the key directly. I would suggest that you use the ORM the way it is designed to be used. In this case, the primary key should be treated as imutable, eg, the setId domain method should be private. Thus you should deleted the old object and create a new one as required. ... |
45. many-to-many with non-primary key forum.hibernate.orghi everybody, i would like to use many to many relation, however for some certain reasons i should use columns that are not PK. when i join them with "many-to-many", hibernate assumes that PK's are used for association. i know this is best practice, but i cant :) any advice to join those table are appriciated. thanks |
46. How to modify a primary key... forum.hibernate.orgHi again, Well i know but... if your database definition has Update: cascade you could modify even primary keys. When i use directly in MySQL-command line, a sentence like : update departamento set nombre_departamento = "new id" where nombre_departamente = "old id" mysql lets me change it, and changes all tables where nombre_departamento is a foreign key. Can't Hibernate do the ... |
47. How to modify a primary key... forum.hibernate.org |
48. primary key with two primary keys forum.hibernate.orgif i have one table that has a composite key and the other one has a primary key and i join the two do I need a third link table that contains the primary key or can I just join them the two tables... the join mapping i want to do is below: select sale.storeName from sale sale, storelocation sc where ... |
49. Unasigned JPA primary key forum.hibernate.org |
50. What is the use of primary key in hibernate forum.hibernate.org |
51. many-to-many without using primary keys forum.hibernate.orgmany-to-many supports property-ref. Assuming that there's a category table, which is your referential-intergrity table (but we'll pretend that it's a join table in this mapping): Code: |
52. possible bug: obtaining data with primary key forum.hibernate.org |
53. FOREIGN KEY + KEY + PRIMARY KEY forum.hibernate.org |
54. Primary key which also is a foreign key forum.hibernate.org |
55. Hibernate And Primary Key Issue forum.hibernate.orgNeed help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.1 Mapping documents: Code: |
56. Problem using primary foreign key and foreign key in many-to forum.hibernate.orgHi people! I nedd your help :D Im using Hibernate 3.2 I generated this mapping with hibernate tools within eclipse Code: |
57. Primary Key/ Foreign Key forum.hibernate.orgI am getting the exception org.hibernate.AnnotationException: A Foreign key refering Teacher from Student has the wrong number of column. should be 2 The code is as follows. Can some one please help me with this code , what am I doing wrong ? :-( I have eliminated get/set from all classes DB Schema: Teacher(id,name) Student(id , teacher_id, teacher_name) Code: @Entity @Table(name="Teacher") ... |
58. Primary Key forum.hibernate.org |
59. bug many to many when joinColumns is not a primary key forum.hibernate.org |
60. Doubt regarding primary key forum.hibernate.org |
61. Doubt regarding primary key forum.hibernate.org |
62. Issue with negative primary key and many-to-many forum.hibernate.orgHi, I tried to find an answer in the forums, but had no luck. I'm trying to use a negative integer for my primary keys (for data enter manually) It works well eveywhere except when I have many-to-many associations. The code works fine since I hav ebeen using postive keys for a while and everything is fine I'm using the annotations ... |
63. using "Set" tag but how to add non primary key??? forum.hibernate.orgI'm using the |
64. primary key forum.hibernate.org |
65. No Primary Key forum.hibernate.org |
66. Primary key settings forum.hibernate.org@Id @TableGenerator(name="tg", table="pk_table", pkColumnName="name", valueColumnName="value", allocationSize=10 )@GeneratedValue(strategy=GenerationType.TABLE, generator="tg") public long getId() {return id;} |
67. regarding primary key forum.hibernate.orgDear all, i read hibernate will create the primary key automatically with mapping file(.hbm.xml)then why should we create the primary key while creating the table. i creat the table like the following: create table test(id int ,name varchar(10),sex varchar(10)); the hbm file is following: |
68. Primary Keys Regenerated Issue forum.hibernate.orgHibernate version: 3.2 Mapping documents: See below Name and version of the database you are using: MySQL 5.0 Hi all - I have been using Hibernate for about 3 weeks now and am very impressed. However, I have run into a small problem which is causing me some issues - I have searched the forums and the web and cannot find ... |
69. Add additional primary key forum.hibernate.orgHello, I created this classes: @Entity @Table(name="Part") @IdClass(Part.class) public class Part extends GenericPartSpecification { @Id @Column(name="SerialNumber", unique=true, nullable=false) private String serialNumber; ... } @Entity @Inheritance(strategy = InheritanceType.JOINED) @Table(name="GenericPartSpecification") public class GenericPartSpecification implements Comparable |
70. How create primary key in hibernate forum.hibernate.org |
71. primary key in hibernate forum.hibernate.orgDear All, Nobody answer the following question for a long time 1.what is the size of Log file in hiberbate. 2.what is the cache limit or default size 3.how create the primary key starts with 200. 4.how create the primary key in the following sequence a.2,4,6,8,10,12.... b.3,5,7,9,11,13.... c.101a,102b,103c...... Please help me !!!!! regards arul |
72. primary key in hibernate forum.hibernate.org |
73. Primary key in hibernate forum.hibernate.org |
74. How to take into account primary keys and foreign keys forum.hibernate.orgHi all, I am using Hibernate Tools 3.2.4CR, Hibernate 3.2.5. GA and MySQL 5.1. I succeeded to generate my *.hbm.xml, *.cfg.xml files, DB java classes for a MyISAM database. Now that I am moving to InnoDB engine, I would like to have foreign keys be handled by Hibernate Tools. I succeeded to generate the hibernate.cfg.xml by changing the database dialect to ... |
75. giving non-primary key as foreign key??? forum.hibernate.orgCan we give a non-primary key of one table as a foreignkey of another table in oracle? I tried it by setting the non-primary key as UNIQUE..It worked then. But a problem arises when i try to genarate the code by reverse engineering in NetBeans 6.5 . It is not recognising the relation as a Foreign key relation. ie : CREATE ... |
76. multiple primary key... forum.hibernate.org |
77. One To Many- different name of primary and foreign key forum.hibernate.org |
78. "autoincrement" on an non primary-key forum.hibernate.orgHi, i working since one month with hibernate and now i have a problem and i hope you can give me some tip. I create a simple Table for my test application to learn hibernate. In this table i have a id (as primary key) some char values and a numberic value (Integer number) . My problem is, that i will ... |
79. One-to-many where foreign key != primary key forum.hibernate.orgIn my database I have a table with a primary key, id, and a set of fields one of which is a varchar field named username. A second table has two varchar fields username, authority as a composite primary key. username from the first table is used to match username in the second table to retrieve multiple values for authority. In ... |