Hello everyone, i dont now how to change sql request in CriteriaBuilder. I am stuck on this line: I will be very grateful for your help or at least links to interesting material. Answer maybe to someone helps
Tag: hibernate
JPA Batch inserts with non auto generated id
im triying to batch insert a few Million Entitys. The Batch insert kind of works, but my programm executes a few JDBC Statements in the background which i dont want. } my Repository: my Entity: my JPA Settings: The Batch Insert Does work, but if i try to Upload 100 Entitys i have 33 JDBC Statements which are …
“Could not locate cfg.xml resource [hibernate.cfg.xml]” error
When I run my createStudentDemo class I get the following error: INFO: HHH000412: Hibernate Core {5.4.11.Final} Exception in thread “main” org.hibernate.internal.util.config.ConfigurationException: …
AnnotationException: A Foreign key refering has the wrong number of column. should be 0
What is the reason this error in Hibernate? org.hibernate.AnnotationException: A Foreign key refering com.Otomasyon.entity.Ogrenciler from com.Otomasyon.entity.AlinanDersler has the wrong number of …
Execute SQL-LIKE with List attribute
I have this method on my Dao class: the sql works fine when the attribute is @Column or a @OneToOne`, but when it’s something like that: where the class Titulo has this attributes: causes this error: How I can change the method to make work for both types of attributes? Answer I manage to solve this iss…
How to retrieve SQL Error message with Hibernate
I have developed a small application accessing a PostgreSQL database with Hibernate. When I try to delete a record involved in a foreign key with another table, a javax.persistence….
hibernate multiple @OneToMany relationships generating more results in parent relationship
I will start with the result. In the next image I am displaying the result content of company.userAccount. In the database I have only two companies assigned to the same user and 7 services attached to one of the companies. The generated query (simplified) is This will generate Expected result: I was expectin…
Filter rows in DataSet using JPA/Hibernate
I have the following code which is used to retrieve data from multiple tables (using joins) and then mapping every row into a DTOList but I also need to apply filters based on user preferences: per …
Creating dynamic query using jpa criteria
I created dynamic query using jpa criteria but an extra pair of parentheses gets added to columns to be selected when I do userGroupSubquery.select(userGroupsRoot); generated query select (…
Is possible to use an expression logic on @Formula which has a boolean field to compare dates?
I’m trying to know if the following example works with @Formula of hibernate, perhaps someone can help to solve the other ways, to use sql or queries. When I do that example get the following error: 2019-03-03 05:29:57.568 ERROR [service_a,4fedd46e4085e86f,4fedd46e4085e86f,false] 608 — [nio-8090-e…