I have 3 entities in my Spring boot application. User,Item and Orders I want one Orders object to have multiple Items so, I used @OneToMany mapping in Orders class. This is my code: This is my Item.java file This is my Orders.java file Hibernate is generating 3 tables as I expected Item , Orders and Orders_Item from above code. Orders
Tag: unique-constraint
UNIQUE constraint failed: sqlite database : android
I am trying to insert values in table. But there is only one value inserted. I am getting an error in log cat when I am trying to insert new values. Log cat shows : Its showing error on these two lines while inserting row. EventTableHelper How to solve this?? Answer Your code probably violates primary key’s uniqueness constraint on
How to persist @ManyToMany relation – duplicate entry or detached entity
I want to persist my entity with ManyToMany relation. But i have some problem during persisting process. My entities : and Service code : First time, when I try to persist a User with UserRoles “ROLE_USER”, no problem. User and UserRoles and join tables are inserted. My problem is when I try to persist a second User with the same
Hibernate / JPA many to many relationship through a join table and a composite key, Unique Constraint issue
So I asked this question yesterday, but the goal posts have changed and the question is different: Hibernate / JPA Collection of Elements with Many to Many relationship? I want to know if it’s possible to create entities that will model my required relationship so that Hibernate will create my schema when I fire up my application. The relationship I