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Questions - jpa

How does CriteriaQuery isNull slow down hibernate query?

What makes this query perform differently? CriteriaBuilder builder; CriteriaQuery criteria; Root root; criteria.where(builder.anyOtherCondition()); // runs at a reasonable speed criteria.where(builde...
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Sally Mwalr

java

hibernate

jpa

Votes: 0

Answers: 0

How do I do a JPA findAllBy native query for an object's property value when that object is within a List object, within an outer object?

I am trying to code the matchmaking feature of my game web-app, the User entity contains a property, UserStats with a OneToMany relationship which stores a list of 2 UserStat JPA entitites, these user...
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devo9191

java

spring

spring-boot

jpa

spring-data-jpa

Votes: 0

Answers: 1

Latest Answer

Try this query, Query(value ="SELECT * FROM user u INNER JOIN userStats us ON u.id = us.user_id where (u.location = :location AND u.rating BETWEEN :lowerRatingBound AND :upperRatingBound) AND (us...
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Ashwini Karnale

Are Objects inside of other objects being saved to the database?

I hope someone understands, what I mean by this question. I try to explain it as good as possible: I want to save an object, which is a JPA-entity to the database, by using accountRepository.save(acc...
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Z-100

java

database

spring-boot

jpa

mariadb

Votes: 0

Answers: 0

No property by found for type Long

I have a two Entities: @Data @Entity @Table(name = "car") public class Car { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @NotBlank @Size(max = 50) private Stri...
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pabab69642

java

jpa

Votes: 0

Answers: 0

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