[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5126) JPA Query with InExpression and Collection_valued_input_parameter Complains About Bad Syntax

[Pierce Wetter (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=36801#action_36801 ] 

Pierce Wetter commented on HHH-5126:
------------------------------------

Also, the parenthese should be allowed, then it should expect single values. 

Query qTwoLogins = em.createQuery(
"select u from User u where ou.loginId in (:login1, :login2)"
);
Query qCollectionLogins = em.createQuery(
"select u from User u where u.login in :logins"
);

qTwoLogins.setParameter("login1","testuser1");
qTwoLogins.setParameter("login2","testuser2");

HashSet<String> list= new HashSet<String>(2);

list.add("testuser1");
list.add("testuser2");

qCollectionLogins.setParameter("logins",list);

BTW, could we fix this soon, its driving me crazy everytime I switch between EclipseLink and Hibernate to try to shake out bugs I have in Hibernate but not EclipseLink. 

> JPA Query with InExpression and Collection_valued_input_parameter Complains About Bad Syntax
> --------------------------------------------------------------------------------------------
>
>                 Key: HHH-5126
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5126
>             Project: Hibernate Core
>          Issue Type: Bug
>    Affects Versions: 3.5.1
>            Reporter: Guido Müller
>            Priority: Blocker
>
> JPA 2.0 spec final chapter 4.6.9 In Expressions
> In the spec there are 3 alternatives allowed for the query argument. For the 3rd alternative there are no parenthesis allowed.
> Hibernate seems to expect these illegal parenthesis.
> The error occurs within a named query in an entity class.

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