hibernate-mapping Questions
2
Solved
I have many to many relation between user to role
USER ENTITY:
import java.util.HashSet;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.pe...
Charlean asked 18/9, 2020 at 16:19
1
Solved
This is my abstract father:
@MappedSuperclass
public class AbstractEntity{
@ManyToMany
protected Set<UserGroupAccess> userGroupAccesses = new HashSet<>();
@ManyToMany
protected S...
Calorifacient asked 30/8, 2020 at 15:51
5
Solved
I have DAO implementation over spring-data:
public interface TestDataRepository extends CrudRepository<DpConfigData, Long> {
@Query(value = "select distinct(oid) from unit", nativeQuery = tr...
Forayer asked 23/6, 2015 at 19:28
5
Solved
In which case do you use the JPA @JoinTable annotation?
Segregation asked 29/3, 2011 at 20:10
5
Solved
Good morning Stackoverflow,
I have the problem that it gives me the error:
Failed to create sessionFactory
object.org.hibernate.AnnotationException: Illegal attempt to map a non
collection as...
Semipermeable asked 30/5, 2017 at 9:31
2
How can I persist Java 8 OffsetTime and OffsetDateTime with Hibernate as proper SQL types (TIME_WITH_TIMEZONE and TIMESTAMP_WITH_TIMEZONE)?
I found a solution for LocalTime and LocalDateTime using ...
Carrol asked 23/3, 2015 at 13:14
2
Solved
I am mapping my classes with the tables of my database, but when running a test, I get the following error:
Caused by: org.hibernate.AnnotationException: A Foreign key refering com.modulos.pvs.acc...
Cloninger asked 30/11, 2014 at 16:46
7
I'm trying to persist two different entities using JPA1, with the Hibernate implementation.
The code for this is as shown below:
Parent entity class
@Entity
@Table(name = "parent")
public class P...
Camara asked 24/11, 2014 at 19:38
3
Solved
@JoinColumn gives an Entity a foreign key to another Entity whereas @JoinTable will list the relationship between all relationships between Entity A and Entity B. As far as I can tell, they both ap...
Diphyllous asked 17/5, 2015 at 15:20
4
I came to notice that the default FetchType for the @ManyToOne mapping is EAGER in JPA and Hibernate, whereas for the @OneToMany mapping, the default FetchType is LAZY.
What is the specific reason ...
Nullification asked 17/12, 2014 at 6:15
2
Solved
As per Hibernate documentation, there are multiple annotations available if we want to use Map as an association between our entities. The doc says:
Alternatively the map key is mapped to a dedi...
Indeed asked 22/8, 2014 at 4:56
3
I have a Spring Boot project which has multiple Model class
I want to use multiple model classes in my DAO implementation.
Can someone please explain how can I use HQL queries here.
Most of the...
Inception asked 19/12, 2017 at 20:27
3
Solved
I am using Hibernate 3.2.5 for my application.
I have a Dept table and an Employees table.
Dept.java
private int deptId;
private String deptName;
private Map empMap = new HashMap();
//Getters an...
Snowman asked 26/6, 2013 at 13:34
7
Solved
Following is my code Here I am using multiple lists to fetch data from database.
On fetching data from hql query it is showing exception.
Pojo Class
public class BillDetails implements java.io.Se...
Nixon asked 10/7, 2014 at 11:26
3
Solved
Working on some legacy hibernate code.
How do I do the following with hbm.xml(hibernate mapping file) instead of with annotations?
@Table(name="users", uniqueConstraints = {
@UniqueConstraint(co...
Estradiol asked 29/4, 2010 at 22:2
1
I am using below class but giving the exception like Caused by: org.hibernate.DuplicateMappingException: Table [] contains physical column name [scheme_name] referred to by multiple physical column...
Rothberg asked 20/8, 2018 at 11:54
1
Solved
I'm looking a way to bind Type for specific entity fields during entity manager configuration phase. I need it to be able to apply extra "rules" to target entity field using external source without...
Firebird asked 23/4, 2019 at 11:36
3
Solved
My Java bean has a childCount property. This property is not mapped to a database column. Instead, it should be calculated by the database with a COUNT() function operating on the join of my Java b...
Dimercaprol asked 6/6, 2010 at 23:14
3
Solved
I need to get data from database by enum type.
I have following enum:
public enum ShopType {
VANS("VANS"), ATTICUS("ATTICUS"), FAMOUS("FAMOUS")
ShopType(String label) {
this.label = label;
}
...
Balikpapan asked 29/9, 2014 at 18:36
2
Solved
I have the following MySQL update query with inner join:
UPDATE Country AS c
INNER JOIN State s ON c.CountryID = s.CountryID
INNER JOIN City cy On s.StateID = cy.StateID
SET c.Active='Y', s.Ac...
Rattlesnake asked 20/11, 2012 at 5:20
2
Solved
Can I configure Hibernate to scan packages automatically to create a SessionFactory from @Entity annotated beans ?
Currently I am using
Configuration config = new Configuration() ;
config.addAn...
Juggle asked 6/2, 2016 at 19:45
3
Solved
I have a table that has foreign key of another table (many to one relationship) but i want it to be nullable.
Something like this:
public class SubType() {
@Id
@GeneratedValue(generator = "sys...
Sensual asked 8/9, 2014 at 6:2
3
Solved
I am trying to use Hibernate annotation for writing a model class for my database tables.
I have two tables, each having a primary key User and Question.
@Entity
@Table(name="USER")
public class ...
Verlie asked 15/3, 2013 at 7:14
1
I know that similar questions have already been asked for plenty of times but I haven't found one that could help me.
So, could I ask you to help me to find the cause of why a Book's title is fetc...
Craft asked 3/9, 2018 at 17:50
4
Solved
I need to have GUID/UUID's as the id column of my rows.
This is to be able to create entries both online and offline, and of course not having these conflict on PK when merging. I know i could mit...
Bedside asked 19/5, 2014 at 11:8
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