Cannot bind String[] to ParameterExpression for path.in(parameter)
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Key: OPENJPA-2018
URL: https://issues.apache.org/jira/browse/OPENJPA-2018
Project: OpenJPA
Issue Type: Bug
Components: jpa
Affects Versions: 2.1.0
Reporter: Oliver Gierke
Given the following code:
{code}
User user = new User("Dave", "Matthews", "f...@bar.de");
em.persist(user);
em.flush();
CriteriaBuilder builder = em.getCriteriaBuilder();
CriteriaQuery<User> criteria = builder.createQuery(User.class);
Root<User> root = criteria.from(User.class);
criteria.where(root.get("firstname").in(builder.parameter(String[].class)));
TypedQuery<User> query = em.createQuery(criteria);
for (ParameterExpression parameter : criteria.getParameters()) {
query.setParameter(parameter, new String[] {"Dave", "Carter"});
}
List<User> result = query.getResultList();
assertThat(result.isEmpty(), is(false));
{code}
I get a
{code}
<openjpa-2.0.0-r422266:935683 nonfatal user error>
org.apache.openjpa.persistence.ArgumentException: The specified parameter of
type "class [Ljava.lang.String;" is not a valid query parameter.
{code}
Using {{Collection}} as {{ParameterExpression}} type and binding the parameters
via {{Arrays.asList(...)}} works fine.
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