About CriteriaQuery

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Manual
38

JPA Criteria API Queries

= em.getCriteriaBuilder(); CriteriaQuery q = cb.createQuery(Country.class); Root ... (both methods are equivalent). In the example above a CriteriaQuery instance is created for representing ... . A CriteriaQuery instance is equivalent to a JPQL string and not to a TypedQuery instance. Therefore, running
Manual
29

WHERE clause (JPQL / Criteria API)

Queries The CriteriaQuery interface provides two where methods for setting the WHERE clause. Single ... as follows: CriteriaQuery q = cb.createQuery(Country.class); Root c = q.from ... : CriteriaQuery q = cb.createQuery(Country.class); Root c = q.from(Country.class); q
Manual
24

GROUP BY and HAVING clauses

become inaccessible. GROUP BY and HAVING in Criteria Queries The CriteriaQuery interface provides methods ... HAVING COUNT(c) > 1 can be built using the criteria query API as follows: CriteriaQuery
Manual
24

ORDER BY clause (JPQL / Criteria API)

the result order would be undefined. ORDER BY in Criteria Queries The CriteriaQuery interface ... follows: CriteriaQuery q = cb.createQuery(Country.class); Root c = q.from
JPA Doc
24

JPA Queries

instance. Building a dynamic query using the criteria API is managed by the CriteriaQuery interface ... . The CriteriaQuery instance merely represents the query during its building, and is equivalent to a JPQL
Forum
23

CriteriaQuery .where() for multiple conditions

When using the below, there appears to be an OR condition:   criteriaQuery.where(criteriaBuilder.equal(root.get("name"), name)); criteriaQuery.where(criteriaBuilder.equal(root.get("surname ... (); CriteriaQuery criteriaQuery = criteriaBuilder.createQuery(Person.class); Root
Forum
22

"Unexpected query expression" using CriteriaQuery FetchParent Interface

.getCriteriaBuilder();   CriteriaQuery criteriaQuery = cb.createQuery(Person.class);   Root root = criteriaQuery.from(Person.class);   root.fetch("PersonData"); //@OneToOne relationship   criteriaQuery.select(root);   System.out.println(em.createQuery(criteriaQuery).getResultList
Forum
21

JPA CriteriaQuery -- Iterate Expression<List<Object>>

Hi, I am new to  JPA and in particular the CriteriaQuery API. I have a simple CriteriaQuery where I pattern match a simple search String against field entires in a Person entity... i.e ... "); criteriaQuery.where( builder.or( builder.like( root.get("name
Forum
20

CriteriaQuery using isNotNull with other conditions results in InternalException

When I try to execute the following criteria query CriteriaBuilder builder = em.getCriteriaBuilder(); CriteriaQuery criteria = builder.createQuery(relationshipClass); Root root = criteria.from(relationshipClass); criteria.select(root); List
JPA Doc
15

javax.persistence.criteria.CriteriaBuilder

Since: JPA 2.0 CriteriaQuery createQuery() Create a CriteriaQuery object. Create a CriteriaQuery object. Returns: criteria query object Since: JPA 2.0 CriteriaQuery createQuery(Class resultClass) Create a CriteriaQuery object with the specified result type. Create a CriteriaQuery object