[hibernate-issues] [Hibernate-JIRA] Created: (HHH-6913) QuerySyntaxException for valid JPQL query using the IN operator

[Luis Fernando Planella Gonzalez (JIRA)]

QuerySyntaxException for valid JPQL query using the IN operator
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                 Key: HHH-6913
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6913
             Project: Hibernate Core
          Issue Type: Bug
          Components: query-hql
    Affects Versions: 3.6.9
         Environment: Hibernate 3.6.9, MySQL 5.1 
            Reporter: Luis Fernando Planella Gonzalez


The following query, which is valid JPQL:
select person
from Person person
where person.id is not null and (person.category is null or person.category in :a1)

Generates the following error:
org.hibernate.hql.ast.QuerySyntaxException: unexpected AST node: {vector} [select person
from entities.Person person
where person.id is not null and (person.category is null or person.category in :a10_, :a11_)]

The in clause is not correct.
Note that if removing the 'person.id is not null and' part, the query works. Here is the working example:
select person
from Person person
where person.category is null or person.category in :a1

So, the closing parenthesis must be confusing the IN clause handling.

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