[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5097) Bug in ParameterizedFunctionExpression with two or more parameters: IllegalArgumentException

[Max Hartmann (JIRA)]

Bug in ParameterizedFunctionExpression with two or more parameters: IllegalArgumentException
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                 Key: HHH-5097
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5097
             Project: Hibernate Core
          Issue Type: Bug
          Components: entity-manager
    Affects Versions: 3.5.0-Final
         Environment: oracle 10g, hibernate 3.5
            Reporter: Max Hartmann


If you call CriteriaBuilder.function() respectively "ParameterizedFunctionExpression" with two or more arguments you get an IllegalArgumentException.

I think the bug is here:
protected void renderArguments(StringBuilder buffer, CriteriaQueryCompiler.RenderingContext renderingContext) {
		for ( Expression argument : argumentExpressions ) {
			buffer.append( ( (Renderable) argument ).render( renderingContext ) );
		}
	}
The arguments are not seperated by comma.


Exception:
Exception in thread "main" java.lang.IllegalArgumentException: org.hibernate.hql.ast.QuerySyntaxException: unexpected token: : near line 1, column 37 [select TO_CHAR(generatedAlias0.date1:param0) from test.server.TestBean as generatedAlias0]
	at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1166)
	at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1112)
	at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:315)
	at org.hibernate.ejb.criteria.CriteriaQueryCompiler.compile(CriteriaQueryCompiler.java:154)
	at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:432)
	at test.server.TestApp.main(TestApp.java:28)
Caused by: org.hibernate.hql.ast.QuerySyntaxException: unexpected token: : near line 1, column 37 [select TO_CHAR(generatedAlias0.date1:param0) from test.server.TestBean as generatedAlias0]
	at org.hibernate.hql.ast.QuerySyntaxException.convert(QuerySyntaxException.java:54)
	at org.hibernate.hql.ast.QuerySyntaxException.convert(QuerySyntaxException.java:47)
	at org.hibernate.hql.ast.ErrorCounter.throwQueryException(ErrorCounter.java:82)
	at org.hibernate.hql.ast.QueryTranslatorImpl.parse(QueryTranslatorImpl.java:284)
	at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:182)
	at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136)
	at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:101)
	at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
	at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:98)
	at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)
	at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)
	at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1760)
	at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:297)
	... 3 more


Code:
EntityManagerFactory factory = Persistence.createEntityManagerFactory("userDatabase");
EntityManager em = factory.createEntityManager();
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery<String> createQuery = cb.createQuery(String.class);
Root<TestBean> from = createQuery.from(TestBean.class);
Expression<String> param = cb.literal("DD.MM.YYYY");
createQuery.select(cb.function("TO_CHAR", String.class, 
from.get(TestBean_.date1), param));
List<String> resultList = em.createQuery(createQuery).getResultList();

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