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Questions tagged [joincolumn]

82 questions
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Entities created correctly from Json with @JoinColumn on the opposite side

I thought I understood the JPA's @JoinColumns annotation and mappedBy parameter, but then I needed to create new entities from this Json of a Question. It has a set of answer choices which need to be mapped to new entities as well. I decided that…
Ondrej Sotolar
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hibernate, join table and join column with complex addiction

While studying Hibernate I encountered this problem. Making a query from the Contract tables (i want to get list avalible contracts in db). I can't display Tariff entity fields in my jsp (e.g. Contract.Tariff.title). At the same time, in the entity…
Ivan Ivan
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Hibernate - How to do @Query update with reference to @JoinColumn attribute

@Entity public class TransactionInfo { @Id @GeneratedValue(strategy = GenerationType.AUTO) private Long id; @OneToOne @JoinColumn(name="txnRequestId") private TransactionRequest txnRequest; .. } I would like to do a…
Sandeepan Nath
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How to join separate table data column in Hibernate

Is there any possible variant to insert data from another table into Hibernate entity. For example we have the following DB-model: ItemTable: ITEM_ID NUMBER not null, ITEM_NAME VARCHAR2, I_OBJECT_ID NUMBER; ObjectTable: OBJECT_ID NUMBER not…
EtherealDeath
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JoinColumn Hibernate / API

I'm having the following problem: I want to simply join the table Markets (main) and Telephones, but I'm facing some problems while doing this with annotations. I simply want to use the Comercio.id as the corresponding foreign key from…
crzy
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How to select just a few data to display using JoinColumnn

In spring java especially in JoinColumn, if we do JoinColumn for example JoinColumn(name="guest_id"). Then all guest data will be displayed. Whereas I only want to retrieve only one data, which is the name only. @Column(name = "guest_id") private…
Jhon Smith
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how to join two collection through same column name in mongoose and derive data?

i want to derive price based on same column name that is route_name from two models.how to do it? 1st model : - var routeSchema = mongoose.Schema({ route_name: String, from_city: String, to_city : String, stoppage_point:…
Arazu Gajera
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JPA @JoinColumn not working properly with REST

Im learning Spring Security with REST, and I have 2 MySQL tables, one for users and one for authorities. The user_id from authorities table is foreign key for id from user table. I want to use these roles from authorities table with Spring Security…
user9608350
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JPA: receive several columns from table linked with current as manytoone

i'm new at JPA and need some advice. I have two tables, Car and Driver linked as ManyTyOne. And I would obtain Car entity with info about several drivers. Now i can get from Driver only driver_id, it looks like this, but need to receive also…
maggalka
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Nullable JOINCOLUMN field transient exception Hibernate

I am working with spring hibernate project where a model has a foreign key which mapped with @joincolumn as shown below. class Customer { @JoinColumn(name="CUSTOMER_RM_ID",nullable=true) @OneToOne(fetch=FetchType.EAGER) private RmSm…
Vipin CP
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parent entity reference not saved in child entity while using @joincolumns

Below are the entity classes and the methods I have written . When I tries to insert the entities using Spring Data JPA , I am stetting all the values properly and the entities are getting saved . But according the hibernate mapping that I…
saikat_ds
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broken column mapping: OneToOne unidirectional with two join columns

I have two given tables (posgres) with the following fields (all big ints): Transaction: transactionid reader_id readertrxref ... Reversal: reversalid trxref readerid ... There is an optional 1:1 relationship between Transaction and Reversal:…
badera
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Hibernate throwing error in One-to-one relationship

I am trying to implement a one-to-one mapping and below is the entities involved: UserID which acts as composite primary key: @Embeddable public class UserID implements Serializable { private static final long serialVersionUID = 1L; …
CuriousMind
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JPA - Retrieving records from various entities that share the same ForeignKey after an ID is passed in at the API

Consider the following dummy data entities and its defined relationships: Entity Business @Entity @Table(name = "business") public class Business { @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name = "id") public Long…
NearOpotimus
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How to do one-one mapping between 2 tables having composite key in hibernate?

I have 2 tables vanTb and vanSiteTb. The primary key for vanTb is vId. The vanSiteTb has a composite primary key of 2 columns viz. vNum and vSiteC. The vanTb have also 2 columns vNum and vSiteC. There is a one to one relation between these 2…
azaveri7
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