33 | How do I achieve a Deep Fetch using JOIN FETCH? that I can express one level of eager fetch in JPQL as follows: SELECT c FROM C JOIN FETCH c.bList WHERE c.id=:id But when I attempt to take it to the 2nd level: SELECT c FROM C JOIN FETCH c.bList JOIN FETCH c.bList.aList WHERE c.id=:id I get an error along the lines of: Invalid fetch path |
33 | LazyInitialization / join fetch descrica2_2_3_ from the User usuario0_ left outer join on area area1_ usuario0_.codigo_area = area1_.codigo left outer join on User usuario2_ usuario0_.codigo_chefe = usuario2_.codigo left outer join company empresa3_ on usuario2_.codigo_empresa = empresa3_.codigo left outer join on specialty especialid4 |
32 | Issue with Casting / Joins MyEntity(); entity.getEmbeddeds().put("test", new EmbeddedA); ... // Try to query using join From<MyEntity> from = criteria.from(MyEntity.class); MapJoin<?,?,?> join = from.joinMap("embeddeds"); Path<?> pathToEmbeddedAName = join.value().get("name") <-- fails with attribute "name" not found |
32 | Lazy Init / Eager / Join Fetch collection strategy ? What to choose ?,join fetch seems to be the right choice. What about ObjectDb ? The implementation is totally different. Is an "All eager strategy" more efficient that many join fetch ( cartesian product + distinct ... all strategy" Or "Fetch Join strategy" for ObjectDb ? Regards, Xirt xirt Sylvain > Is an "All eager |
32 | InternalError on multiple AND and JOIN QueryHi, Using objectdb 2.2.8_06. Running the following query: SELECT DISTINCT $1 FROM CDI $1 JOIN $1.contactDetails $2 JOIN $2.addresses $3 JOIN $3.attributeList $4 JOIN $2.phoneNumbers $5 JOIN $5.attributeList $6 WHERE ((($4.name='suburb') AND ($4.valueAsString='Los Angeles')) AND (($6.name='areacode |
32 | How to use JOIN FETCH? JOIN FETCH to avoid excessive round trips to the database: SELECT c FROM Country c JOIN FETCH c ... . TypedQuery<Person> q = em.createQuery( "select p from Person p join fetch p.addressHistory ... duplication then this is normal for JOIN FETCH and you can remove duplication by using SELECT DISTINCT |
31 | Join query problem with new statetment when using query with join. The query code is: TypedQuery<InspirationsPerSupplierResult> inspirationQuery ... ) from Inspiration insp join insp.products p where (p.supplier = ?1 ... InspirationsPerSupplierResult(insp, p) from Inspiration insp join insp.products p where (p.supplier |
31 | Join performance in Objectdb fields in Page and Image are not annotated with @Id or @Index. In that case, executing the JOIN ... a JOIN on ID fields, similarly to your original query. The second query uses JOIN on direct |
6 | Problem using "and" for joined entities and indexed fields join p.children c where c.age = 42", Parent.class).getResultList().size()); System.out.println(em.createQuery("select from Parent p join p.children c where c.name = 'Foo'", Parent.class).getResultList().size()); System.out.println(em.createQuery("select from Parent p join p.children |
6 | javax.persistence.criteria.Subquery root Since: JPA 2.0 Join<X,Y> correlate( Join<X,Y> parentJoin) Create a subquery join object correlated to a join object of the enclosing query. Create a subquery join object correlated to a join object of the enclosing query. Parameters: parentJoin - join object of the containing query Returns |
