1. specifying constraint name in hibernate mapping file stackoverflow.comI am using Hibernate 3 with Oracle 10. Is there a way to specify in a Hibernate mapping file the constraint names (from foreign keys, unique constraints, etc) that will be created ... |
2. If you have a db table with a unique column (like "name"), how would you go about switching the names of two rows? (Using Hibernate, but it sounds like a problem across the board) stackoverflow.comLet's say you had a table like this
/------------ |
3. Hibernate - renaming objects with a unique constraint stackoverflow.comSay you have a bunch of Article objects, with a "title" property. Then there's an ARTICLE table with a TITLE column. The TITLE column has a unique constraint. The UI shows all ... |
4. How to retrieve data which caused unique constraint violation (via Hibernate)? stackoverflow.comIs there a way to find out which record caused such a violation in Hibernate? Normally you add objects to session and at the end you persist them. If such an error ... |
5. Deleting Objects with JPA with Foreign Key Constraints stackoverflow.comI have a two classes, Service and Customer, with a many-to-one association from Service to Customer. I want to delete a Customer and any Service that references it. I'm using JPA ... |
6. unique constraint check in JPA stackoverflow.comI am enforcing a unique constraint check in JPA for userid column which is enforced for all records in the user table. |
7. Any tools or techniques for validating constraints programmatically between databases? stackoverflow.comIf you had two databases, that had two tables between them that would normally implement a one to one (or many to many) constraint but cannot since they are separate databases, ... |
8. JPA remove constraints at run time stackoverflow.comI'm deleting entities from a table with a one to many relationship to the same entity (representing node hierarchy). If I make the xincoCoreNodeId relationship a cascade all it works but ... |
9. unique constraint check based on a parameter in the parent table stackoverflow.comTable User has UserScore (id, userId, points, percentage)
I would like to ... |
10. Hibernate - clearing a collection with all-delete-orphan and then adding to it causes ConstraintViolationException stackoverflow.comI have these entities |
11. Hibernate: constraintName is null in MySQL stackoverflow.comI have a code using JPA with Hibernate 3.3.x. This Java code can be used with schemas stored either on Oracle 10g or MySQL 5.1.x. Tables are defined with constraints to define unique ... |
12. checks for constraint violation before persisting an entity stackoverflow.comWhat is the best mechanism for preventing constraint violation checks before creation | modification of an entity? Suppose if the 'User' entity has 'loginid' as the unique constraint, would it be wise ... |
13. Constraint error in hibernate stackoverflow.comI am new to hibernate. I am having 2 tables, assume table1 and table2 . table2 has composite key and id column of table2 is referencing id column of table1. I have created one ... |
14. Error in hibernate constraint stackoverflow.comIn my project i m using using hibernate and oracle as DB. I am having two tables with foreign key relationship. In hibernate I m have one-to-many relationship. my one-to-many code set name="classname" cascade="all,all-delete-orphan one-to-many ... |
15. Express not trivial constraints in JPA stackoverflow.comWhat is the best way to express range constraint in JPA? I would like to express something like 'this column can only take values between 1..5'. Probably I could use @PrePersist ... |
16. Unique Constraint Nhibernate stackoverflow.comI have a object with a Nhibernate mapping that has a surrogate ID and a natual ID. Since of cource the natural ID is uniquely constrained a insert query will ... |
17. hibernate column uniqueness question stackoverflow.comI'm still in the process of learning hibernate/hql and I have a question that's half best practices question/half sanity check. Let's say I have a class A: |
18. Elegantly handling constraint violations in EJB/JPA environment? stackoverflow.comI'm working with EJB and JPA on a Glassfish v3 app server. I have an Entity class where I'm forcing one of the fields to be unique with a @Column ... |
19. HSQLDB Constraint Violation & SQL Query Log for an HSQLDB in-memory setup stackoverflow.comWe have a setup where we are using an embedded HSQLDB for backing Hibernate/JPA unit tests in java, and we are using the in-memory database mode since we simply want the ... |
20. Foreign Key constraint violation when persisting a many-to-one class stackoverflow.comI'm getting an error when trying to persist a many to one entity: Internal Exception: org.postgresql.util.PSQLException: ERROR: insert or update on table "concept" violates foreign key constraint "concept_concept_class_fk" ... |
21. Cannot add or update a child row: a foreign key constraint fails stackoverflow.comi am having a user table which has desname as FK referring to des table ,i am trying to add desname in user but i am gettng Cannot add or ... |
22. How to properly test for constraint violation in hibernate? stackoverflow.comI'm trying to test Hibernate mappings, specifically a unique constraint. My POJO is mapped as follows: |
23. How to introduce multi-column constraint with JPA annotations? stackoverflow.comI am trying to introduce a multi-key constraint on a JPA-mapped entity: |
24. How to find the entity with the greatest primary key? stackoverflow.comI've an entity LearningUnit that has an int primary key. Actually, it has nothing more. Entity Concept has the following relationship with it: @ManyToOne @Size(min=1,max=7) private LearningUnit ... |
25. Catching constraint violations in JPA 2.0 stackoverflow.comConsider the following entity class, used with, for example, EclipseLink 2.0.2 - where the |
26. Hibernate constraint ConstraintViolationException. Is there an easy way to ignore duplicate entries? stackoverflow.comBasically I've got the below schema and I'm inserting records if they don't exists. However when it comes to inserting a duplicate it throws and error as I would expect. My ... |
27. Grails automatic constraint update stackoverflow.comDoes grails have an automatic constraint update. If we change the field in domain class to be nullable by adding constraint, it is not getting reflected in database without schema export. ... |
28. Unique constraint not created in JPA stackoverflow.comI have created the following entity bean, and specified two columns as being unique. Now my problem is that the table is created without the unique constraint, and no errors in ... |
29. How to handle EntityExistsException properly? stackoverflow.comI have two entities: Question and FavoritesCounter. FavoritesCounter should be created when the question is added to favorites for the first time. Consider a use case when two users tries ... |
30. Hibernate triggering constraint violations using orphanRemoval stackoverflow.comI'm having trouble with a JPA/Hibernate (3.5.3) setup, where I have an entity, an "Account" class, which has a list of child entities, "Contact" instances. I'm trying to be able to ... |
31. Can I name my constraints with JPA? stackoverflow.comWhen I use the maven-hibernate3-plugin (aka hbm2ddl) to generate my database schema, it creates many database constraints with terrifically hard-to-remember constraint names like |
32. Removal of foreign key constraints, Referential integrity and Hibernate stackoverflow.comMy colleague mentioned that our client DBA proposed the removal of all foreign key constraints in our project Oracle DB schema. Initially I did not agree with the decision. I am ... |
33. How to adjust constraints / DB mapping for Map within grails domain class stackoverflow.comFollowing grails domain class: |
34. How to choose DDL Primary Key constraint names with JPA/Hibernate stackoverflow.comThere exists a proprietary hibernate annotation to specify the Foreign Key constraint names that are used at DDL generation time: |
35. JPA: Problem with persisting Foreign Key Constraint stackoverflow.comI got two Entity: Customer Entity |
36. To catch the reason of the unique constraint on JPA stackoverflow.comI 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 ... |
37. Multiple unique constraints in JPA stackoverflow.comIs there a way to specify using JPA that there should be multiple unique constraints on different sets of columns? |
38. How to handle JPA unique constraint violations? stackoverflow.comWhen a unique constraint is violated, a |
39. How to specify that a combination of columns should be a unique constraint using annotations? stackoverflow.comI want to make sure that all rows in my table have a unique combination of two fields, and I want to specify this using annotations in my entity class. ... |
40. Hibernate throws unique constraint violation exception while updating field part of unique key stackoverflow.comBelow is the use case: I have a unique index defined on 3 columns say A,B,C. Assume the values in them are A1,B1,C1. My java code is adding a new record say A1,B1,C1 ... |
41. Hibernate and NonUniqueObjectException stackoverflow.comi have an entity that contains two other entities with @ManyToOne relationship. |
42. java.sql.SQLException: Cannot add or update a child row: a foreign key constraint fails stackoverflow.comCould someone help me understand that why am I getting the following error when I am trying to persist ServiceProvider entity? |
43. Adding a constraint to a JPA or Hibernate entity column using annotations stackoverflow.comI want to have a column for an entity which only accepts one of an enumerated set of values. For example let's say I have a POJO/entity class "Pet" with ... |
44. OnDeleteAction cascade fails with constraint violation error stackoverflow.comHibernate 3.3.x |
45. Deleting JPA object fails due to foreign key constraints? stackoverflow.comWhy would the following query fail due to a foreign key constraint? There is no other way for me to delete the associated data that I am aware of. |
46. Enforce FK Constraints when JPA inserts inherited objects stackoverflow.comI have a multilevel inheritance model in JPA that is using the joined strategy |
47. JPA2 unique constraint: do I really need to flush? stackoverflow.comI have a DAO where I need to catch an unique constraint exception. To do this, the only working solution is to flush my EntityManager after the persist. Only then I ... |
48. Violation of Unique Key constraint stackoverflow.comI am using grails, and I am getting the following when trying to create a new EducationType in my controller |
49. Hibernate - unique column constraint being ignored stackoverflow.comI have a MySQL table to hold tags (i.e. like those used here on Stack Overflow). It simply has an id (pk) and a tag column to hold the tag itself. The ... |
50. JPQL and date comparison (constraint in the query) stackoverflow.comMy Application model object contains a date field (time stamp): |
51. Foreign key constraint's by eclipselink auto generated name starts with number stackoverflow.comI have a problem. My Table's NAME is A295SOMETHING. Eclipselink generates a name starting with a number: 295SMTHG. How can I specify Eclipselink to use an other constraint name? |
52. JPA ManyToMany constraints stackoverflow.comI am new to JPA, so apologies if this is a very basic problem. I have an application where a user can vote on a product (range 0 to 10), but can ... |
53. Integrity constraint violation stackoverflow.comUsing the Play! Framework, i have the following two models: |
54. Using unique constraint on Hibernate JPA2 stackoverflow.comHow could I be able to implement my unique constraints on the hibernate POJO's? assuming the database doesn't contain any. I have seen the unique attribute in @column() annotation but I ... |
55. How do I map Hibernate collections with Oracle's NOT NULL column constraint enforced? stackoverflow.comI have 2 tables, ENQUIRY and ELEMENT with a One-to-Many relationship such that an Enquiry has many Elements. I would like to enforce Oracle's NOT NULL constraint on foreign key column ... |
56. BatchUpdateException - MySQL Error 'Duplicate entry' - which key/constraint has been violated? stackoverflow.comThe combo mysql/hibernate is creating exception stack traces like |
57. Hibernate non-negative value constraint stackoverflow.comI have the table, the snippet below. |
58. Reverse engineering check constraints & indexes w/ Hibernate? stackoverflow.comI've been tasked with reverse engineering Hibernate mappings from a large, legacy, sql server database. The database makes extensive use of check constraints (several per table) and indexes, and while ... |
59. Find or insert based on unique key with Hibernate stackoverflow.comI'm trying to write a method that will return a Hibernate object based on a unique but non-primary key. If the entity already exists in the database I want to ... |
60. Does JPA support annotations (or xml tags declarations) for declaring a constraint like ON DELETE (set null, cascade, ...)? stackoverflow.comI've used JPA to create a database, more exactly the hibernate implementation of JPA. But anyway, at first, my question is related to JPA. Let's do a scenario. I have two ... |
61. Hibernate and JPA: how to make a foreign key constraint on a String stackoverflow.comI am using Hibernate and JPA. If I have two simple entities: |
62. Testing validation constraints stackoverflow.comThe Hibernate Validator documentation has a simple Getting Started guide which outlines testing validation rules. The relevant chunk is |
63. "Not in" constraint using JPA criteria stackoverflow.comI am trying to write a "NOT IN" constraint using JPA Criteria. Ive tried something like this - |
64. Best way to prevent unique constraint violations with JPA stackoverflow.comI have an |
65. Foreign Key Constraint Issues Involving One-To-Many and Many-To-One Relationship in EcliplseLink2.1.2 stackoverflow.comI'm encountering a 1452 error on MySQL 5.5.9 while running some JPA tutorial code that I pulled off the EclipseLink website (http://wiki.eclipse.org/EclipseLink/Examples/JPA/EmployeeXML), and I'm hoping someone has some insight. I'm using ... |
66. Do i need to make sql tables using constraint to work with hibernate stackoverflow.comI am using hibernate annotations with spring MVC. Now i always create table using GUI editor like SQLYOG or phpmyadmin. So i just create table with columns and even if i have some ... |
67. Force Hibernate to issue DELETEs prior to INSERTs to avoid unique constraint violations? stackoverflow.comBackground: http://jeffkemponoracle.com/2011/03/11/handling-unique-constraint-violations-by-hibernate Our table is: |
68. Best practices for handling unique constraint violation at UI level stackoverflow.comWhile working in my application i came across a situation in which there are likely chances to Unque Constraints Violation.I have following options
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69. How to ensure unique constraint is applied on multiple columns (mm_book_id and mm_author_id )? stackoverflow.comI would like to know if anyone has ideas on how to ensure if in the join table |
70. groovy + jpa + maven = loader constraint violation for javax/xml/transform/Source stackoverflow.comif I create a JPA EntityManager from a groovy script I get these error: |
71. Suppressing a constraint annotation stackoverflow.comSuppose, I have a domain object that contains a field with an UNIQUE constraint annotation defined by me. Now, I added a new entity of this object by a form to ... |
72. Hibernate date field with a unique constraint on the day stackoverflow.comI'm currently implementing a historical report store where users will store only 1 report per day. We're trying to apply unique contraints but we're struggling as the created date goes down ... |
73. Controlling DDL generation in Toplink Essentials stackoverflow.comI am having some trouble with the DDL generation of Toplink Essentials. I am developing a Glassfish 2.1 based application and use JPA for persistence. I have an object graph where ... |
74. A foreign key constraint violation in postgres that shouldn't be happening, as far as I can tell. (w/ hibernate) stackoverflow.comSo I have two tables: |
75. Need assistance with uncanny, reproducible MySQL ERROR 1452 (23000) Foreign Key Constraint stackoverflow.comMySQL select version() is 5.5.9 on Mac OS/X 10.6 Question When I execute the sql script below, I encounter a very perplexing foreign key constraint error. It seems as though it should not ... |
76. Hibernate:Cannot add or update a child row: a foreign key constraint fails stackoverflow.comthis error gives me when i try to insert (save) an user using hibernate: |
77. Hibernate :Cannot add or update a child row: a foreign key constraint fails stackoverflow.comi have this issue : Cannot add or update a child row: a foreign key constraint fails ( |
78. one-to-one mapping using unique constraint not working as expected stackoverflow.comI'm trying this simple uni-directional one-to-one relationship Person ----> Address using many-to-one mapping with unique constraint. This is how my mapping looks like in Person.hbm.xml: |
79. hibernate 3.6.3 - ORA-00001: unique constraint with save and merge stackoverflow.com |
80. Hibernate + Oracle, strange null constraint violation with primitive type stackoverflow.comI just add a new column on an entity and a strange thing is happening. The entity was previously: |
81. JPA: constraints violation on delete stackoverflow.comI have three entities - |
82. JPA unique constraint validation stackoverflow.comHow to validate Multiple column unique constraint in JPA entity. Is there any Hibernate validator for this purpose. I have added @UniqueConstraint annotation. But it is not doing any validation.And I ... |
83. hibernate unique constraint stackoverflow.comI was faced with the below problem problem P:S Have a look at the commnets :) on the above link And while solving it, I now have a question about how the unique ... |
84. Hibernate Natural ID duplicate issue stackoverflow.comI'm new to Hibernate and DBs in general, so pardon the elementary question. I am working with the DIS protocol and specifically the Open-DIS implementation of DIS. In DIS, ... |
85. em.merge doesn't generate update statement stackoverflow.comI'm using JPA 2.0 and hibernate in the project and faced the problem: em.merge() doesn't generate the update statement. The detail situation is: I have an entity, which is successfully persisted. It has ... |
86. How to write a custom constraint to check that atleast one boolean field in a class is true stackoverflow.comI have a class called "Scheduler" which has 7 Boolean fields. I want to write a constraint in hibernate to check that at-least one boolean field is true. Here is the "Scheduler" ... |
87. Hibernate: A foreign key constraint fails stackoverflow.comThe following are the SQL statements generated by Hibernate |
88. Is it possible to configure the Play Framework's CRUD module to respect @Column(unique=true) annotations? stackoverflow.comI'm using Play's CRUD module to create a simple set of admin screens. One of my models is User and I want to enforce a unique constraint on the email ... |
89. Is it possible to define an XOR constraint using JPA? stackoverflow.comI need to define an XOR constraint on an entity using JPA i.e. a constraint that specifies that you can have a value in either column A or column B but ... |
90. Setting unique constraint on all referenced collection members in hibernate stackoverflow.comimagine you have a Hibernate/JPA entity class Text which may be annotated with multiple members of class Tag - how would you ensure that Text entity exist only once for a ... |
91. JPA/hibernate - Cannot add or update a child row: a foreign key constraint fails - BUT record exists stackoverflow.comI'm having a strange problem. I have some records in the database: Company
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92. hibernate support for deferred constraints? stackoverflow.comIn Hibernate 3.6, what is the support for deferred constraints? As I get it, in 3.2, "Hibernate does not have support for deferred constraints." (from http://opensource.atlassian.com/projects/hibernate/browse/HHH-2248) |
93. Setting a constraint for all properties of a domain object? stackoverflow.comIs there a way to set a constraint for all properties of a grails domain object?
I want to set |
94. JPA: Partial contraint stackoverflow.comI need something like a partial contraint for one of my entities. |
95. Hibernate annotation Cascade problem stackoverflow.comI have a Java class that contains a list of another class. |
96. JPA - defining multi-column unique constraints stackoverflow.comIs it possible using JPA to define multiple unique constraints. |
97. Duplicate key value violates unique constraint stackoverflow.comi am using hibernate, jboss6.0.final. Getting following exception. |
98. Hibernate oracle integrity constraint violated stackoverflow.comI got a problem mapping oracle by hibernate I got these classes Stock.java |
99. Hibernate order of [update, delete] on collection is breaking a DB constraint. How to fix? stackoverflow.comHibernate is causing pain merging an object that contains an ordered collection when removing an element from the middle of the collection. Some background: I'm working on a tool that produces CSV ... |
100. How do I express this constraint with JPA? stackoverflow.comI have a class that looks like this: |