Constraint 2 « Map « JPA Q&A





1. Using JPA/Oracle can I have a unique constraint that ignores string case?    stackoverflow.com

I have a db table with a column that is a String. I do not consider the case to be significant (e.g. "TEST == "test"). Unfortunately, it appears that JPA2 does, ...

2. How do I catch the constraint violation exception from EclipseLink?    stackoverflow.com

I am using EclipseLink in my web application, and I am having a hard time gracefully catching and handling Exceptions it generates. I see from this thread what seems ...

3. Joining tables(in the domain classes) that don't have foreign key constraints defined explicitly    stackoverflow.com

I am trying to create domain classes from(for) two tables(A & B) that don't have any foreign key constraints defined explicitly on the tables. But, there are columns in these tables ...

4. Unique constraints on TEXT columns in JPA using MySQL InnoDB    stackoverflow.com

We need to store a long UTF-8 string into a MySQL database which has to be checked for uniqueness. This is the current configuration:

@Column(unique = true,length = 8000,columnDefinition="TEXT")
private String text;
but since ...

5. Constraint on association    stackoverflow.com

I have a following association:

@Entity
@Table(name = "courses")
public class Course
{
    @Id
    @GeneratedValue
    @Column(name = "course_id")
    private long id;

   ...

6. How to apply unique constraints using annotation    stackoverflow.com

@Column(name = "userId")
    @UniqueConstraint
    private Integer userId;
I am using these annotation for entering data into database table. i want to make userId field unique field. but ...

7. Short circuiting constraints on a field in hibernate validator    stackoverflow.com

I want the constraints on fields of a class to be ordered and short-circuit, e.g.

@Size(min = 2, max = 10, message = "Name length improper")
@Pattern(regexp = "T.*", message = "Name doesn't ...

8. Hibernate validation: unique constraint    stackoverflow.com

I'm fairly new to Hibernate, and I'm learning as i go. I really enjoy all the tools hibernate has to offer, including the validation tools. Validation is great because I can ...

9. Adding functional-level constraints with Hibernate    stackoverflow.com

I would like to define an entity which contains a list of something (for example embeddable) and each of these embeddables have a property active. At once, only one element inside ...





10. Select using a ManyToMany constraint    stackoverflow.com

I have two models :

class A extends Model {
    public bool active = true;

    @ManyToMany(cascade=CascadeType.ALL)
    @JoinTable(
       ...

11. package org.hibernate.validator.constraints does not exist    stackoverflow.com

after i updated to hibernate-validator 4.2.0.Final

<dependency>
     <groupId>org.hibernate</groupId>
     <artifactId>hibernate-validator</artifactId>
     <version>4.2.0.Final</version>
     <scope>runtime</scope>      ...

12. Hibernate how to Add Check Constraints    stackoverflow.com

I have a field at my Java side:

@Column(name = "ads", length = 60, nullable = false)
protected String name;    
so it has an effect at SQL (I use PostgreSQL) ...

13. Best way to handle constraint violations when using EJB 3.0 and CMP    stackoverflow.com

I have a web service (built using jaxb/jaxws) that invokes a stateless EJB to store some data in the database. The data is being stored as an entity bean. The entity ...

14. Unable to create unique key constraint not found    stackoverflow.com

I have the following entity:

@Entity
@Table(name = "campaign_content", uniqueConstraints = @UniqueConstraint(columnNames = { "campaignContentId", "campaignId", "fieldTag" }))    
public class CampaignContent implements Serializable {
    private static final ...

15. Hibernate NonUniqueObjectException in grails    stackoverflow.com

I am getting a NonUniqueObjectException when adding a record from grails webapp. This is happening because a user of the webapp is able to add records, and one of the ...

16. Update table entry with unique constraints - Hibernate    stackoverflow.com

I am new to Hibernate and have the following situation: class A class Course extends A (course name is unique) class Students (holds a set of courses) My Goal is to be able to add ...





17. JPA - How can i add ON DELETE CASCADE constraint ?    forums.netbeans.org

The following snippet from one of my entity beans shows how to specify a cascade constraint. @JoinColumn(name = "contact_id", referencedColumnName = "contact_id") @ManyToOne(targetEntity = Contact.class, cascade = CascadeType.REMOVE) private Contact contact; You can specify the any of the following cascade types: ALL MERGE PERSIST REFRESH REMOVE You can specify more than one cascade type by enclosing the items within {}, for ...

18. Hibernate foreign key constraint    coderanch.com

I believe there is no support for that kind of a thing -- just the other way around (i.e. if cascade is set to "all-delete-orphan" and you delete the parent, the children are deleted as well). Then again, I'm certainly not 100% about that so you better wait for a second opinion...

19. Hibernate: Specifying unique constraint in mapping file    coderanch.com

My table has the below contraint where the combination of column A and B is unique:- alter table dbo.mytable add constraint uq_mytable_a_b unique (a, b) Is there a way to specify this constraint in the hibernate mapping file? Currently it works fine without the need to specify it since the database will handle this constraint check, but I was hoping that ...

20. Integrity constraint violation: for Hibernate Insert    coderanch.com

Dear All, I have tables designed as below, but i always get Caused by: java.sql.SQLException: Integrity constraint violation: SYS_FK_16 table: BOSS in statement [insert into COMPANY (WORKER_ID, WORKER_DEPAT_ID, BOSS_ID, BOSS_DEPAT_ID, COMPANY_ID) values (1, 2, 1, 11, 1)] at org.hsqldb.Trace.getError(Unknown Source) for insert record to table Company Could any one give me some hints ? CREATE TABLE WORKER ( depat_id int NOT ...

21. [Hibernate Mysql 5 EJB3 JBoss] remove() foreign key constraint fails    coderanch.com

2.2.5.3.2.1. Bidirectional To map a bidirectional one to many, with the one-to-many side as the owning side, you have to remove the mappedBy element and set the many to one @JoinColumn as insertable and updatable to false. This solution is obviously not optimized and will produce some additional UPDATE statements. @Entity public class Troop { @OneToMany @JoinColumn(name="troop_fk") //we need to duplicate ...

23. Hibernate gives a Constraint Violation Exception..    coderanch.com

Hi, I am using Hibernate to save a POJO to MySQL database Table-Definition: DEMO ( id int(..) PRIMARY KEY, Description varchar(..) Tel_no varchar(..) Samay timestamp ); POJO: public class Demo { private int id; private String description; private String telNo; private Date samay; all the getters and setters including constructors } Mapping file:

24. Cannot add or update a child row: a foreign key constraint fails JPA/Hibernate    coderanch.com

The application server is JBOSS 4 and I use JPA/HIbernate but the error is also present with JPA/TopLink. I got a table " belong_to " who does the interaction between my cocktails and my categories of cocktails by referencing a line for a couple (cocktail/category) A cocktail can have several categories and the inverse is also true. The problem is present ...

25. Add constraints to table with Hibernate.    coderanch.com

If my assumption is correct, Hibernate is more on transactions and Data Manipulation and not in the Date Definition. I would like to know How can i add constraints to table with Hibernate? The two ways that strikes my mind is a. In the setter method of the pojo class, add the constraint. But i need to know if this will ...

26. Why is Hibernate creating a unique constraint when I don't want one?    coderanch.com

Hi, I'm using Maven 1.1 to generate Oracle tables from my Java model, annotated using Hibernate 3.3.2.GA. My question is, what about my model is causing Hibernate to impose a unique constraint on the "payment_date" column? Here is how I have it set ... @Temporal(TemporalType.DATE) @Column(name="payment_date", nullable=false) public Date getPaymentDate() { return paymentDate; } public void setPaymentDate(Date paymentDate) { this.paymentDate = ...

27. How can deletion trigger unique constraint violation? Hibernate 2    coderanch.com

Why is it obvious that you do not have any triggers? Can you show us the generated sql-queries? What are you doing when the error shows up? Do you want to replace an existing row by another one by delete the old and insert the new one? If you do so, try if it works if you call flush() (if that ...

28. Restrictions constraints in Hibernate    coderanch.com

29. Enforcing Forign Key constraints via Hibernate    coderanch.com

Hi guys, My main aim is to persist the web service objects. So changing the web service classes is not allowed. My hibernate mapping are configured to generate the DB. So what I have is public class Invoice { private int id; //foreign key against id field on purchaseOrder table private int purchaseOrderID; // more variables,setters and getters below My hbm ...

30. "Not in" constraint using JPA criteria    coderanch.com

34. many-to-many with a unique constraint for multiple columns    forum.hibernate.org

Hi everybody. I am having a problem while using many-to-many with a unique constraint (so that the collection acts as one-to-many). I have three classes - Orderline, OrderLineId, and Order. The class Orderline has a composite id of type OrderLineId and is mapped in two tables i.e. ORDERLINE and LINKTABLE. The class Order has a unidirectional one-to-many association with the class ...

35. Foreign key constraints not generated on Linux with MYSQL    forum.hibernate.org

Hibernate generates tables but is not creating foreign constraints when deployed on a Linux box (CentOS) with mysql running on Jboss. The surprising thing is that when the same application is deployed on windows (the platform on which it was developed) , with mysql on Jboss everything works perfectly. This has caused so much issue as the application had been tested ...

36. Getting weired Constraint Exception even ir the value exists    forum.hibernate.org

Hi All, I have a issue regarding persisting an object to the DB.. I am persisting an object with cascade-all-delete-orphan..So for example there is a Person table and there are child tables as address.. One person can have may addresses.. So now what i am doing is populating the person object with all the details of child Set available and then ...

37. DDL generation using JPA with Derby: unique constraints    forum.hibernate.org

It looks like Hibernate 3 tools for DDL schema generation (hbm2ddl) do not fully support Derby when a JPA model is used. Is it the case? @UniqueConstraint applied to a @Table is ignored completely in the resulting DDL when DerbyDialect is used. On the other hand, using for example MySQL dialect does create unique clauses in the table declaration for the ...

38. Constraint on the latest entry in a one to many association?    forum.hibernate.org

I have a database mapping where a 'project' owns a series of 'status' entries, like... Code: ...

39. Hibernate unique constraint on a column value    forum.hibernate.org

40. SOLVED: A foreign key constraint fails    forum.hibernate.org

...

41. hs-quickstart-3.1.1.GA MySQL a foreign key constraint fails    forum.hibernate.org

Newbie Joined: Mon Oct 13, 2008 12:01 pm Posts: 2 I have downloaded hibernate-search-quickstart-3.1.1.GA.jar and pom and imported into Eclipse 3.4.2. I can run the IndexAndSearchTest.java testcases successfully when using the default HSQLDialect ... properties but it blows up when I switch to using MySQL 5.1. It seems like an annotations/configuration issue on the Book.java class. I can see that its ...

42. Constraint on more columns    forum.hibernate.org

Hi all, is there any possibility to make constraint annotation or something similar no more than one column. Here is my problem: I have one table with some columns and i want to be sure that user fill only one column, not more and not less than one. Is there possilbility to make it with Hibernate annotations? Thanks for your ideas ...

43. Constraint on more columns    forum.hibernate.org

Hi all, is there any possibility to make constraint annotation or something similar on more than one column. Here is my problem: I have one table with some columns and i want to be sure that user fill only one column, not more and not less than one. Is there possilbility to make it with Hibernate annotations? Thanks for your ideas ...

46. Best practices for handling unique constraint violation    forum.hibernate.org

I am using Hibernate 3.3.2 and trying to figure out the best way to prevent a unique constraint violation in my code. [u]Setup:[/u] Suppose I have a many-to-many relationship. I will call the left side a parent and right side a child. There is a unique constraint on the child's name. [u]User Scenario:[/u] The user creates parent P1 and child with ...

47. ERROR: duplicate key value violates unique constraint    forum.hibernate.org

Newbie Joined: Mon Mar 01, 2010 5:51 am Posts: 2 Hi! I`m Hibernate newbie and coping with problem. There are two entities: book and its creator(s) Book: Code: @Entity public class Book { @Id @GeneratedValue(strategy = GenerationType.TABLE) private Long id=-1L; private String title; ...

49. Constraints have the same set of columns which isn't allowed    forum.hibernate.org

We are using Apache Derby 10.5.3.0_1 and hbm2ddl with JPA 1.x, Hibernate 3.3.x (with the standard DerbyDialect) I get the following constraints error while pre-loading the SQL on an embedded derby database. If I remove the primary key(id) from the create table sql, it's able to create the table. Not sure what the problem is over here. create table user_flow (id ...

50. Forein key constraint failed .    forum.hibernate.org

Hi I'm using one to many mapping with *Set*,,,, while inserting data its giving the Error like "Foreign key constraint failed" My Mapping files are : [*]1 ...

51. ORA-02292: integrity constraint violated child record found    forum.hibernate.org

try { SessionFactory sessionFactory = new Configuration() .configure().buildSessionFactory(); Session session = sessionFactory.openSession(); tx = session.beginTransaction(); parent.getChildren().remove(child); session.delete(parent); tx.commit(); ...

52. NaturalID doesnt generate notnull constraint    forum.hibernate.org

53. Howto relax generated constraints?    forum.hibernate.org

54. ORA-02291: integrity constraint (AMS.SYS_C0059678) violated    forum.hibernate.org

Newbie Joined: Sun Mar 01, 2009 11:11 pm Posts: 9 When I try to update an Object which Has many to one relation and cascade=all, I get the Error ORA-02291: integrity constraint (AMS.SYS_C0059678) violated - parent key not found My Code: ...

56. Many-to-Many/One unique constraint failure    forum.hibernate.org

I'm fairly new to Hibernate, so as a learning exercise I'm trying to write up the data structure for a database of recipes, although the problem I'm having is probably fairly widely applicable. I'm still just playing around - a long way from anything like production. Basically I'm trying to map multiple Owner objects to multiple Child objects through a link ...

57. Primary Constraint errors    forum.hibernate.org

Newbie Joined: Thu Jan 29, 2009 8:49 pm Posts: 5 Hello, I am having this weird issue that I am never been able to replicate but happens on the production server everyday. We have a webpage where a user is able to edit their contact info and preferences. And the errors happens on save sometimes even when nothing is changed on ...

58. foreign key constraints for primary keys generated    forum.hibernate.org

]> &entityProperties; ...

59. creating foreign key constraint by many-to-one    forum.hibernate.org

Hi I am trying to associate 2 tables by foreign key constraint. These 2 tables are job and jobtype. There are only 2 jobtype. So the oid of the jobtype table will be used as the foreign key in job table, and the jobtype table should not be inserted any new row. jobtype 0 lookingforjob 1 offerigjob job oid|description|jobtype The mapping ...

60. delete-orphan and null foreign key constraint help    forum.hibernate.org

I'm having problems with the delete-orphan option and a non-null constraint on a map property. The Map maps a string to another "child" entity. When I remove an item from the Map and save the parent entity, I get the following error: Caused by: java.sql.SQLException: Attempt to insert null into a non-nullable column: column: NAME table: TASK_TAG in statement [update task_tag ...

61. @OneToOne, unique constraint and redundant? index    forum.hibernate.org

@PrimaryKeyJoinColumn was causing incorrect behavior - Parent.getChild would return wrong object - Child with the same id as Parent (due to the performed join I think). Since the relation is 0-1 that's obviously not correct, so I removed it. I've removed all additional annotations and set mappedBy on the Parent object. Now I have mapping column on Child object, however no ...

62. @ManyToMany integrity constraint violated problem    forum.hibernate.org

@Entity @Table(name = "PLAY_LOG") public class PlayLog { private List images; @ManyToMany(cascade={}) @Cascade(value={org.hibernate.annotations.CascadeType.ALL,org.hibernate.annotations.CascadeType.DELETE_ORPHAN}) @JoinTable(name="PLAY_LOG_IMAGES_IMAGES") @IndexColumn(name = "img_order", base=1) @ForeignKey(name="FK_PLAY_LOG_IMAGE", inverseName = "FK_IMAGE_PLAY_LOG") public List getImages() { return images; } public void ...

64. null value in column "" violates not-null constraint    forum.hibernate.org

Newbie Joined: Fri Jul 16, 2010 11:51 am Posts: 2 This appears to be a common problem, and I understand it is usually with the mapping, but I cannot figure it out in my case. I have googled both this forum and the internet at large, plus read through "Java persistence with Hibernate" by Bauer and King, but I am still ...

65. To catch the reason of the unique constraint on JPA    forum.hibernate.org

Hello everyone. I am trying to learn JPA and I have a problem that I stucked in since 2 days. I have a table named "User" includes id,email,password,username and status. As you guess email and username columns are unique. I also have a Class called User something like that : Code: @Entity @Table(name = "user", uniqueConstraints = @UniqueConstraint(columnNames = {"username", "email"})) ...

66. Constraint issue with collection mapping    forum.hibernate.org

I'm trying to apply a database constraint to enforce the idea that a "dateDeleted" column must be filled in, or there must be a foreign key present. The problem is, Hibernate is violating the constraint as soon as I create a new object of this type because it goes back and updates the row with the foreign key after it has ...

67. adding unique constraint at runtime?    forum.hibernate.org

Hi all I'm trying to inject some unique constraints at runtime. I've looked around and I'm lost.... any help is appreciated. I have the following setup: hibernate entity manager + annotations 3.5.4-Final the model looks like Code: @Entity(name="User") public class UserDBImpl { .... @Column(name="ATTRIBUTES", nullable=false) @ElementCollection ...

68. ON DELETE CASCADE constraint not created    forum.hibernate.org

Hi, I currently facing a problem creating a foreign key with ON DELETE CASCADE attribute. Here are my entities : - One main entity BoxWcsKlEntityBean, which is linked to an abstract entity AbstractBoxDdWcsKlEntityBean, this second one extends from another abstract mappedsuperclass AbstractBoxModuleWcsKlEntityBean. And after all, one class BoxWcsDdEntityBean which extends from AbstractBoxDdWcsKlEntityBean : Code: @Entity(name = BoxWcsKlEntityBean.ENTITY_NAME) @Table(name = BoxWcsKlEntityBean.TABLE_NAME) public ...

69. 1=2 constraint Criteria    forum.hibernate.org

Newbie Joined: Wed Sep 08, 2010 8:20 am Posts: 2 I have the following code: Code: public List getAll(Long pendingRequestId) { return (List) sessionFactory.getCurrentSession() .createCriteria(RequestParameter.class).add( Property.forName("pendingRequest.id").eq(pendingRequestId)) ...

70. how to avoid duplicate constraints in mysql table    forum.hibernate.org

Hi, we are using Mysql 5.x and JBoss 5.1.0. We stop/start JBoss often, and found duplicate constraints, for example, mysql> show create table Book CONSTRAINT `FK61687183494D1F9` FOREIGN KEY (`userId`) REFERENCES `user` (`id`), CONSTRAINT `FK61687183494DD3C` FOREIGN KEY (`userId`) REFERENCES `user` (`id`), CONSTRAINT `FK61687183494E0FD` FOREIGN KEY (`userId`) REFERENCES `user` (`id`), This will harm mysql performance. How to prevent Hibernate from generating duplicate constraints? ...

71. Oracle constraints problems . ?    forum.hibernate.org

SQL*Plus: Release 10.2.0.1.0 - Production on Sat Sep 25 06:40:40 2010 Copyright (c) 1982, 2005, Oracle. All rights reserved. SQL> connect Enter user-name: system Enter password: Connected. SQL> select * from emp; ID NAME SAL JOB HIREDATE DEPTNO ---------- --------------- ---------- ---------- --------- ---------- ADDS --------------- 100 Johan 1300 CLERK 21-SEP-10 10 HYD SQL> desc emp; Name Null? Type ----------------------------------------- -------- ...

72. Multiple unique-key constraints on a single column    forum.hibernate.org

Is it possible to map multiple unique-key constraints where one of the column is shared by 2 or more constraints? For example a table with: columnA columnB columnC Where there is a unique constraint "Unique_A_B" on columns "columnA" and "columnB" and another unique constraint "Unique_A_C" on columns "columnA" and "columnC". How can we map this in hibernate mapping file?

73. Unique Constraints Not Being Applied.    forum.hibernate.org

We have been trying to annotate a two column unique constraint onto a table with no success. The annotation looks like this: @Entity @Table( name="mytable", uniqueConstraints={ @UniqueConstraint( columnNames={ "MY_COLUMN_1", "MY_COLUMN_2" } ) } ) public class MyEntity ...etc We have the following libraries in the build: hibernate-core 3.5.6-Final hibernate-jpa-2.0-api 1.0.0.Final hibernate-annotations 3.5.6-Final hibernate-c3p0 3.5.6-Final And we're running against DB2. We can ...

74. Problem using HSQL SQLException: Integrity constraint    forum.hibernate.org

Hi, I'm getting the next exception Caused by: java.sql.SQLException: Integrity constraint violation - no parent FK383D52B87BA459A7 table: C in statement [insert into A (id, creation_time, description, version, file_extension, document_name, document_type, entity_id, entity_type, real_path) values (null, ?, ?, ?, ?, ?, ?, ?, ?, ?)] at org.hsqldb.jdbc.Util.throwError(Unknown Source) at org.hsqldb.jdbc.jdbcPreparedStatement.executeUpdate(Unknown Source) at org.hibernate.id.insert.AbstractSelectingDelegate.performInsert(AbstractSelectingDelegate.java:57) At the next usage: 1)I have an entity A: ...

75. Constraint Problems with Collections in Hibernate    forum.hibernate.org

Newbie Joined: Fri Nov 12, 2010 10:07 am Posts: 2 I have been trying to debug constraint problems with collections in Hibernate. The problem happens when you try to add an additional child to an already existing parent. For example: 1. Run a batch job that creates a person with one role. 2. Run a second batch job that adds a ...

76. [Problem] Error "FK constraint fails" using inheritance    forum.hibernate.org

Page 1 of 1 [ 1 post ] Previous topic | Next topic Author Message biteko Post subject: [Problem] Error "FK constraint fails" using inheritance Posted: Tue Nov 30, 2010 8:34 am Newbie Joined: Tue Nov 30, 2010 8:20 am Posts: 1 Guys, I am using "joined-subclass" type of inheritance of ...

77. Suppressing a constraint annotation    forum.hibernate.org

Suppose, I have a domain object that contains a field with an UNIQUE constraint annotation written by me. Now, I added a new entity of this object by a form and it works. Next, I want to update this saved entry using the same domain object with constraint annotations. I want to change some fields except the field with the UNIQUE ...

78. disable constraints    forum.hibernate.org

79. Unique key Constraints    forum.hibernate.org

80. Named unique constraint in Oracle    forum.hibernate.org

81. Any way to remove an unnamed constraint?    forum.hibernate.org

I've got a web application that uses Hibernate and a 2.0.0 HSQLDB for data storage, and I'm trying to update it to use the latest 2.2.1 release of HSQL. However, I've run into some issues. I've since resolved most of them, but I have one problem I can't figure out. Previously, when we declared our model objects, we declared them as ...

82. DDL generation using validation constraints    forum.hibernate.org

83. Violation of PRIMARY KEY constraint after migration to 3.5.6    forum.hibernate.org

@Entity @Table(name="organization") public class Organization implements Serializable { private List children = new ArrayList(); private List parentsIds = new ArrayList(); @ElementCollection(targetClass=String.class, fetch=FetchType.LAZY) @JoinTable(name="organization_hierarchy",joinColumns=@JoinColumn(name="child_id")) @Column(name="parent_id") public List getParentsIds() { return ...

84. Reading MySQL Database Constraints by Nhybernate?    forum.hibernate.org

we use mysql (or any databse). Naturally some fields have constraints like NOT NULL DEFAULT '5' during xml mapping for table A has field c with not null constraint we get error on insert because hybernate do not use constraints from the database. What is the solution on mapping any attribute missing here to tell nhybernate read value of field and ...

85. Unique constraint and null values    forum.hibernate.org

86. Using check - attribute for Constraints    forum.hibernate.org

87. integrity constraint violated    forum.hibernate.org

Theoretically, is it ok to get Hibernate generate sql commands which break it's own generated table structure's index? I regenerated the structure with the current mapping from scratch (not that it changed, but to make sure), but I still get Oracle errors: ORA-02292: integrity constraint (VOIP_RATER.FK3596FCCC38F0C7) violated - child record found Of course I'll start and debug the problem in my ...

88. Best practices for domain models with security constraints    forum.hibernate.org

Hi there, I'm currently evaluating Hibernate to use it as a replacement for entity EJBs with CMP, and there's only one thing that keeps me from doing it. Whenever I have used entity EJBs, I have used them to implement a domain model for the application, this is, the entities found in the application, with its attributes, relations, and possibly, business ...

89. A foreign key constraint fails    forum.hibernate.org

Here is the exception stack trace. Thanks again, Joao Rangel ------------------------------------------------------------------------------------- C:\j2sdk1.4.2\bin\javaw.exe -client Oct 28, 2003 10:30:39 AM net.sf.hibernate.util.JDBCExceptionReporter logExceptions WARNING: SQL Error: 1216, SQLState: S1000 Oct 28, 2003 10:30:39 AM net.sf.hibernate.util.JDBCExceptionReporter logExceptions SEVERE: General error, message from server: "Cannot add or update a child row: a foreign key constraint fails" Oct 28, 2003 10:30:39 AM net.sf.hibernate.util.JDBCExceptionReporter logExceptions WARNING: SQL Error: ...

90. CHECK constraints for columns    forum.hibernate.org

91. Meaningful name to constraints    forum.hibernate.org

Here is an example of DDL script generated by hibernate for a constraint and associated foreign key index for a many to one relationship. alter table BBS_TOPICS add constraint FK17DB1ED0875D93DC foreign key (BBS_FORUMS_ID) references BBS_FORUMS; create index IX17DB1ED0875D93DC on BBS_TOPICS (BBS_FORUMS_ID); Is there a way to specify the name of the constraint? Looks like there is because the Mapping examples in ...

92. any mapping generates unexpected foreign key constraint    forum.hibernate.org

if (reader=="Gavin") { While starting jBpm 2.0 developments I finally find some time to implement the tip you gave me in the Amsterdam-restaurant :-) } 4 subtypes of ActionableImpl all have this mapping : ActionImpl maps the inverse end of this relation with 'any'

93. Adding A Unique Constraint    forum.hibernate.org

I've got a SQL table in Oracle with a primary key that's generated by a sequence. But that same table has a unique constraint on several columns in that same table that is NOT designated as a primary key. It could be considered an alternate key, but I wanted to use a surrogate key in my design. It's easy enough to ...

94. constraint exception - lazy collections & delete    forum.hibernate.org

I am getting a constraint exception (Sql error) on delete. Here are the mapping files: Code: ...

95. Subclass mapping vs. not null constraint?    forum.hibernate.org

I have a simple subclass mapping: Code: ...

96. Shouldn't Middlegen R3 put UNIQUE constraints?    forum.hibernate.org

Continuing on this, I am just wondering on the best pracitices or the approach taken by others. In my case, if I have a legacy database, I use middlegen to generate the mapping file (with xdoclet-hibernate tags turned on) and then create the java code. Once I have the java code, I edit the tags to add more information like "type" ...

97. integrity constraint violation    forum.hibernate.org

Author Message harishkswamy Post subject: integrity constraint violation Posted: Sat Feb 07, 2004 1:50 am Newbie Joined: Tue Jan 13, 2004 12:13 pm Posts: 8 Location: USA I am getting a foreign key violation when I save an object with persistent collection. Here's all the things I have tried ... 1. Turn cascade="save-update" and invoke session.saveOrUpdate(obj) once for the ...

98. Unique constraints with discriminator columns?    forum.hibernate.org

99. Autonaming of foreign key constraints    forum.hibernate.org

/** * @hibernate.set * cascade="all" * @hibernate.collection-key * column="PERSON_ID" * @hibernate.collection-one-to-many * class="org.liberty.domainobjects.Address" * foreign-key="FK_ADDRESS" ...

100. Constraint lost    forum.hibernate.org