1. hibernate @GeneratedValue correct? stackoverflow.comI set my entity property
and I able to generate id for the entity in database. My question is why all the entities are sharing the same incremental number? ... |
2. JPA @GeneratedValue on id stackoverflow.comIn JPA, I am using @GeneratedValue:
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3. @Id @GeneratedValue but set own ID value stackoverflow.comI have a table with a generated id, but in some cases I would like to set it on my own. Can I, somehow, force Hibernate to ignore the @GeneratedValue? |
4. Hibernate @GeneratedValue annotation setting existing value to new Object (violating primary key constraint) stackoverflow.comI have an attribute set like:
Howerver, when I call the persist function, the id is set with a value that already exists in my Postgres database. I checked the ... |
5. Hibernate @generatedvalue for HSQLDB stackoverflow.comI have the following definition for an id field in an entity that is mapped to a table in HSQLDB.
But this does not seem to generate the ... |
6. Generate an auto generated value of a field under Java Hibernate (@Id @GeneratedValue(generator="system-uuid")) stackoverflow.comin java hibernate id is auto generated:
i want to have another auto generater field in the same table, i try:
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7. @GeneratedValue(strategy = GenerationType.AUTO) not working as thought stackoverflow.comI'm trying to persist an object to a database. Keep getting 'Column ID cannot accept null value error'. My object looks like this:
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8. Hibernate @Id @GeneratedValue annotation doesn't recognise increment ID generated by DB2 Database stackoverflow.comInserting a second record using Hibernate 3 into DB2 v9.x where a column has a Unique primary key column Id generated by DB2 doesn't work with persisting my Hibernate entity. Inserting the ... |
9. Specify length (size) of @Id @GeneratedValue using Hibernate Annotations stackoverflow.comIs it possible to specify a starting value and the size of an id that is being auto-generated using Hibernate Annotation |
10. How to override @GeneratedValue declared in mapped-superclass? stackoverflow.comWe have a
I want to not use any generator in ... |
11. Hibernate: @GeneratedValue doesn't work? stackoverflow.comI have entity like below, but can't undestand why when i add new record, generated id is 50, 51, 52... if
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12. Java/Hibernate: How can I insert a specific value for a column with autoincrement / @GeneratedValue stackoverflow.comI have a table with an id column that autoincrements, and a Java object that has a getter annotated with |
13. Hibernate @GeneratedValue doesn't generate the Primary key before persisting the entity stackoverflow.comI have created a seam applcation with Hibernate(default) a ORM provider. While persisting an entity, it throws following error:
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14. JPA, MySQL and @GeneratedValue coderanch.comHello there. I'm new member at this forum though I've visited and read it many times. I've got a problem. Hope you can help me, please. I'm using MySQL, Spring and jpa(hibernate). Got two classes: Prueba and Inscripcion. Prueba has a Collection of Inscripcion, but in the DB inscripcion has a foreign key (id_prueba) to its prueba. Well, the problem is ... |
15. Hibernate @GeneratedValue problem coderanch.comI am using mysql,hibernate ,spring @Entity @Table(name="login") public class LoginForm extends ActionForm implements Serializable{ @Id @GeneratedValue @Column(name="userid") private String userid; @Column(name="username") private String username; public String getusername(){ return username; } public void setusername(String username){ this.username=username; } public String getUserid() { return userid; } public void setUserid(String userid) { this.userid = userid; } Executing above code doesnot work. Exception listing are type ... |
16. JPA/Hibernate: @GeneratedValue doesnt work coderanch.com |
17. I am using JPA and I am using @GeneratedValue(strategy = GenerationType.AUTO) but it does not increment correctly java.netSarah kho wrote: > Hi > Thank you for reading my post. > I am using JPA and I am using the follwing notation for my key field. > @Id > @GeneratedValue(strategy = GenerationType.AUTO) > private Long id; > > problem is that records in the database do not have correctly > sequenced ID values. for exaple the first record is ... |
18. Problem with @GeneratedValue forum.hibernate.org |
19. @GeneratedValue for non-ID columns possible? forum.hibernate.orgHey, I am not sure. However I would like to say, that if it is a number then it might be. The only thing I am afraid of is that @generateValue annotation may force the key value to be retrieved, I say this because in mysql the only way you get a recently entered primary key is by using the lastvalue ... |
20. Using @GeneratedValue annotation on a non-id column. forum.hibernate.orgHello, I would like to use a @GeneratedValue annotations on a non-id column, is that possible? The annotation is also used on the id : @Id @GeneratedValue(generator="naid-uuid") @GenericGenerator(name="naid-uuid", strategy="com.netappsid.erp.UUIDGenerator") @Type(type="com.netappsid.datatypes.UUIDUserType") @AccessType(value="field") public Serializable getId() { return id; } This is the field I'd like to auto-increment. @Column(name = "identifier", insertable = false, updatable = false) @Generated(value=GenerationTime.INSERT) @GeneratedValue(strategy=GenerationType.IDENTITY) @AccessType(value="field") public Long getIdentifier() ... |
21. Automatic increment of Idnbr. @GeneratedValue forum.hibernate.org |
22. @GeneratedValue forum.hibernate.orgHi, I'm using the hbm2hbmxml and then hbm2java from hibernate tools to generate my pojos from a database. Here's the version info: Hibernate tools: 3.2.0 beta6a Database: postgresql 8.1.4-1PGDG JDBC: postgresql 8.1-406 jdbc3 So everything works great except I don't get the @GeneratedValue annotation I expected. On my database, I created sequence generators. But when I ran the ant task, my ... |
23. Using @GeneratedValue for getting non-key unique properties forum.hibernate.orgHello, is there any way to use a @GeneratedValue (@GenericGenerator, UserType...) for automated getting of uniqie values for non-key properties. I need to generate the customer id's with a spezial name conventions: e.g. B0123456. I think, it doesn't make sense to use those bussines identifier as a primary keys. But i didn't find any simple possibility to generate such unique/incremented values ... |
24. Using @GeneratedValue for non-key persistent field forum.hibernate.orgI thought @GeneratedValue on a non-primary key means hibernate will do a select after insert to get the field value from database, and it does not mean hibernate will generate a value for it. You should be able to verify this if you see a select the_column from the_table statement after inserts. Farzad- |
25. How to assign @GeneratedValue id before save() forum.hibernate.orgYou can make use of the generators provided by hibernate. somme of the generators are Increment - which reads the last value from the table, increments by 1 and use that as ID Assigned - which takes the value given by you as the ID native - does follow some strategy and there are many... GUID You need to choose what ... |
26. @GeneratedValue for non-@Id fields (EJB3) forum.hibernate.orgHello all, I have to deal with an existing Oracle schema, which contains the table with 2 different unique keys. One of them is record# and should be generated from the sequence, another one is string entity Id, and I want to use it as a primary id. Is this possible in JPA - to make it generate record # from ... |
27. @GeneratedValue auto-increment problem forum.hibernate.orgUsing the Java Persistence with Hibernate book "Hello World" example from chapter 2 as a guide, I created an Employee class with an Id field that is annotated as follows: @Id @GeneratedValue @Column(name = "EMPLOYEE_ID") private Long _id; From main, I create an Employee instance and call the method below to insert it to the MySql DB. It is inserted with ... |
28. @Generatedvalue and MySQL forum.hibernate.org@Entity public class Result { @Id //@GeneratedValue(strategy = GenerationType.AUTO) //@GeneratedValue(strategy=GenerationType.IDENTITY) //@SequenceGenerator(name="seq1", sequenceName="HIB_SEQ") //@GeneratedValue(strategy=GenerationType.SEQUENCE, senerator="seq1") // no sequentions in MySQL - OK //@Column(name = "id", nullable = false) Long id; ... other field, getters, setters ... |
29. Override @GeneratedValue at insert forum.hibernate.org@Entity public class TestEntity { @Id @GeneratedValue private Long Id; private String s; private Integer i; // Constructor and other setter/getter omitted... public void setId(Long Id) { ... |
30. @GeneratedValue Strategy when inserting entries not by hiber forum.hibernate.org |