[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5755) javax.persistence.criteria.Expression.as() is broken

[Artem Troitskiy (JIRA)]

javax.persistence.criteria.Expression.as() is broken
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                 Key: HHH-5755
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5755
             Project: Hibernate Core
          Issue Type: Bug
          Components: entity-manager
    Affects Versions: 3.6.0
            Reporter: Artem Troitskiy
            Priority: Minor


When I try to execute criteria query containing typecast to {{String}}
{noformat}
CriteriaQuery<Product> criteria = builder.createQuery( Product.class );
Root<Product> from = criteria.from( Product.class );

criteria.where(builder.like(from.get("partNumber").as(String.class), "1%"));

List<Product> result = em.createQuery( criteria ).getResultList();
{noformat}

I get the following exception
{quote}
org.hibernate.hql.ast.QuerySyntaxException: expecting CLOSE, found '(' near line 1, column 132 [select generatedAlias0 from org.hibernate.ejb.metamodel.Product as generatedAlias0 where cast(generatedAlias0.partNumber as varchar(255)) like :param0]
{quote}

As you can see, SQL type is used in HQL {{cast}} clause. It's caused by {{CriteriaQueryCompiler.RenderingContext.getCastType()}} that erroneously return SQL typename instead of Hibernate typename.

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