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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-2018) Cannot bind String[] to ParameterExpression for path.in(parameter)
Date Sat, 26 Oct 2013 20:59:30 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-2018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13806165#comment-13806165
] 

ASF subversion and git services commented on OPENJPA-2018:
----------------------------------------------------------

Commit 1536036 from [~allee8285] in branch 'openjpa/branches/2.3.x'
[ https://svn.apache.org/r1536036 ]

OPENJPA-2018 add svn:eol-style=native property

> Cannot bind String[] to ParameterExpression for path.in(parameter)
> ------------------------------------------------------------------
>
>                 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
>            Assignee: Michael Dick
>              Labels: binding, criteria_api, jpa
>         Attachments: missingpatch.patch, OPENJPA-2018.patch, OPENJPA-2018-test-update.patch,
OPENJPA-2018-with-array.patch, openjpa-2018.zip
>
>
> Given the following code:
> {code}
> User user = new User("Dave", "Matthews", "foo@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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