Cannot insert an entity identified by UUID using ReactiveCrudRepository

[skozlov]

Suppose we have an entity:

@Entity
@Table(name = "my_table")
public abstract class MyEntity {
	@Column(name = "id")
	@javax.persistence.Id
	@org.springframework.data.annotation.Id
	public UUID id;

	MyEntity() {
	}

	public MyEntity(UUID id) {
		this.id = id;
	}
}

and a repository:

@Repository
public interface MyEntityRepository extends R2dbcRepository<MyEntity, UUID> {
}

When I try to insert an entity

myEntityRepository.save(new MyEntity(UUID.randomUUID()))

I get

org.springframework.dao.TransientDataAccessResourceException: Failed to update table [message]. Row with Id [3178455a-f0ee-4051-ad92-acb8c2ad3b82] does not exist.
	at org.springframework.data.r2dbc.repository.support.SimpleR2dbcRepository.lambda$save$0(SimpleR2dbcRepository.java:91) ~[spring-data-r2dbc-1.0.0.RELEASE.jar:1.0.0.RELEASE]

The point is, SimpleR2dbcRepository decides that the entity is not new and tries UPDATE instead of INSERT.

[skozlov]

Sorry, it's a duplicate of #292.