Optional param with query Spring-Boot jpa 1.5












1















I want to execute query for filter list with spring boot 1.5, I have param required (username) and optional param (email), How I can assign optional for param in query ?
@Query("SELECT u FROM User u WHERE u.username LIKE :username AND u.email=:email")
public Page getUsers(@Param("username") String username, @Param("email") String email);
http://localhost:8080/users?username=&email=test : work fine
http://localhost:8080/users?username= : Exception










share|improve this question























  • Create two methods, and call one or the other depending on the presence of the email.

    – JB Nizet
    Nov 19 '18 at 21:25











  • I really have many params for filter but for this question I simply for two params, How I can execute query with required and optional param ?

    – Taki Rahal
    Nov 19 '18 at 21:37











  • Use the JPA criteria API to dynamically create the query, or QueryDSL.

    – JB Nizet
    Nov 19 '18 at 21:40
















1















I want to execute query for filter list with spring boot 1.5, I have param required (username) and optional param (email), How I can assign optional for param in query ?
@Query("SELECT u FROM User u WHERE u.username LIKE :username AND u.email=:email")
public Page getUsers(@Param("username") String username, @Param("email") String email);
http://localhost:8080/users?username=&email=test : work fine
http://localhost:8080/users?username= : Exception










share|improve this question























  • Create two methods, and call one or the other depending on the presence of the email.

    – JB Nizet
    Nov 19 '18 at 21:25











  • I really have many params for filter but for this question I simply for two params, How I can execute query with required and optional param ?

    – Taki Rahal
    Nov 19 '18 at 21:37











  • Use the JPA criteria API to dynamically create the query, or QueryDSL.

    – JB Nizet
    Nov 19 '18 at 21:40














1












1








1








I want to execute query for filter list with spring boot 1.5, I have param required (username) and optional param (email), How I can assign optional for param in query ?
@Query("SELECT u FROM User u WHERE u.username LIKE :username AND u.email=:email")
public Page getUsers(@Param("username") String username, @Param("email") String email);
http://localhost:8080/users?username=&email=test : work fine
http://localhost:8080/users?username= : Exception










share|improve this question














I want to execute query for filter list with spring boot 1.5, I have param required (username) and optional param (email), How I can assign optional for param in query ?
@Query("SELECT u FROM User u WHERE u.username LIKE :username AND u.email=:email")
public Page getUsers(@Param("username") String username, @Param("email") String email);
http://localhost:8080/users?username=&email=test : work fine
http://localhost:8080/users?username= : Exception







java hibernate spring-boot jpa






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 19 '18 at 21:20









Taki RahalTaki Rahal

84




84













  • Create two methods, and call one or the other depending on the presence of the email.

    – JB Nizet
    Nov 19 '18 at 21:25











  • I really have many params for filter but for this question I simply for two params, How I can execute query with required and optional param ?

    – Taki Rahal
    Nov 19 '18 at 21:37











  • Use the JPA criteria API to dynamically create the query, or QueryDSL.

    – JB Nizet
    Nov 19 '18 at 21:40



















  • Create two methods, and call one or the other depending on the presence of the email.

    – JB Nizet
    Nov 19 '18 at 21:25











  • I really have many params for filter but for this question I simply for two params, How I can execute query with required and optional param ?

    – Taki Rahal
    Nov 19 '18 at 21:37











  • Use the JPA criteria API to dynamically create the query, or QueryDSL.

    – JB Nizet
    Nov 19 '18 at 21:40

















Create two methods, and call one or the other depending on the presence of the email.

– JB Nizet
Nov 19 '18 at 21:25





Create two methods, and call one or the other depending on the presence of the email.

– JB Nizet
Nov 19 '18 at 21:25













I really have many params for filter but for this question I simply for two params, How I can execute query with required and optional param ?

– Taki Rahal
Nov 19 '18 at 21:37





I really have many params for filter but for this question I simply for two params, How I can execute query with required and optional param ?

– Taki Rahal
Nov 19 '18 at 21:37













Use the JPA criteria API to dynamically create the query, or QueryDSL.

– JB Nizet
Nov 19 '18 at 21:40





Use the JPA criteria API to dynamically create the query, or QueryDSL.

– JB Nizet
Nov 19 '18 at 21:40












1 Answer
1






active

oldest

votes


















1














Use JPA criteria API like this:



First, create a Specification object:



private Specification<Item> createSpecification(ItemSearch itemSearch) {
return (root, query, criteriaBuilder) -> criteriaBuilder.and(
Stream.of(
itemSearch.getUsername() == null ? null : criteriaBuilder.like(root.get("username"), itemSearch.getUsername()),
itemSearch.getEmail() == null ? null : criteriaBuilder.equal(root.get("email"), itemSearch.getEmail())
).filter(Objects::nonNull).toArray(Predicate::new)
);
}


Extend your repository from JpaSpecificationExecutor:



public interface ItemRepository extends CrudRepository<Item, Long>, JpaSpecificationExecutor<Item> {

}


Select all items using the specification:



List<Item> items = itemRepository.findAll(createSpecification(itemSearch))





share|improve this answer


























  • Thank you, It work very well

    – Taki Rahal
    Nov 24 '18 at 22:37











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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









1














Use JPA criteria API like this:



First, create a Specification object:



private Specification<Item> createSpecification(ItemSearch itemSearch) {
return (root, query, criteriaBuilder) -> criteriaBuilder.and(
Stream.of(
itemSearch.getUsername() == null ? null : criteriaBuilder.like(root.get("username"), itemSearch.getUsername()),
itemSearch.getEmail() == null ? null : criteriaBuilder.equal(root.get("email"), itemSearch.getEmail())
).filter(Objects::nonNull).toArray(Predicate::new)
);
}


Extend your repository from JpaSpecificationExecutor:



public interface ItemRepository extends CrudRepository<Item, Long>, JpaSpecificationExecutor<Item> {

}


Select all items using the specification:



List<Item> items = itemRepository.findAll(createSpecification(itemSearch))





share|improve this answer


























  • Thank you, It work very well

    – Taki Rahal
    Nov 24 '18 at 22:37
















1














Use JPA criteria API like this:



First, create a Specification object:



private Specification<Item> createSpecification(ItemSearch itemSearch) {
return (root, query, criteriaBuilder) -> criteriaBuilder.and(
Stream.of(
itemSearch.getUsername() == null ? null : criteriaBuilder.like(root.get("username"), itemSearch.getUsername()),
itemSearch.getEmail() == null ? null : criteriaBuilder.equal(root.get("email"), itemSearch.getEmail())
).filter(Objects::nonNull).toArray(Predicate::new)
);
}


Extend your repository from JpaSpecificationExecutor:



public interface ItemRepository extends CrudRepository<Item, Long>, JpaSpecificationExecutor<Item> {

}


Select all items using the specification:



List<Item> items = itemRepository.findAll(createSpecification(itemSearch))





share|improve this answer


























  • Thank you, It work very well

    – Taki Rahal
    Nov 24 '18 at 22:37














1












1








1







Use JPA criteria API like this:



First, create a Specification object:



private Specification<Item> createSpecification(ItemSearch itemSearch) {
return (root, query, criteriaBuilder) -> criteriaBuilder.and(
Stream.of(
itemSearch.getUsername() == null ? null : criteriaBuilder.like(root.get("username"), itemSearch.getUsername()),
itemSearch.getEmail() == null ? null : criteriaBuilder.equal(root.get("email"), itemSearch.getEmail())
).filter(Objects::nonNull).toArray(Predicate::new)
);
}


Extend your repository from JpaSpecificationExecutor:



public interface ItemRepository extends CrudRepository<Item, Long>, JpaSpecificationExecutor<Item> {

}


Select all items using the specification:



List<Item> items = itemRepository.findAll(createSpecification(itemSearch))





share|improve this answer















Use JPA criteria API like this:



First, create a Specification object:



private Specification<Item> createSpecification(ItemSearch itemSearch) {
return (root, query, criteriaBuilder) -> criteriaBuilder.and(
Stream.of(
itemSearch.getUsername() == null ? null : criteriaBuilder.like(root.get("username"), itemSearch.getUsername()),
itemSearch.getEmail() == null ? null : criteriaBuilder.equal(root.get("email"), itemSearch.getEmail())
).filter(Objects::nonNull).toArray(Predicate::new)
);
}


Extend your repository from JpaSpecificationExecutor:



public interface ItemRepository extends CrudRepository<Item, Long>, JpaSpecificationExecutor<Item> {

}


Select all items using the specification:



List<Item> items = itemRepository.findAll(createSpecification(itemSearch))






share|improve this answer














share|improve this answer



share|improve this answer








edited Nov 19 '18 at 23:04

























answered Nov 19 '18 at 22:55









ygorygor

1,112615




1,112615













  • Thank you, It work very well

    – Taki Rahal
    Nov 24 '18 at 22:37



















  • Thank you, It work very well

    – Taki Rahal
    Nov 24 '18 at 22:37

















Thank you, It work very well

– Taki Rahal
Nov 24 '18 at 22:37





Thank you, It work very well

– Taki Rahal
Nov 24 '18 at 22:37


















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