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From "Andrey Razumovsky (JIRA)" <>
Subject [jira] Created: (CAY-1305) EJBQL doesn't support null parameters
Date Tue, 10 Nov 2009 12:20:27 GMT
EJBQL doesn't support null parameters

                 Key: CAY-1305
             Project: Cayenne
          Issue Type: Bug
          Components: Cayenne Core Library
    Affects Versions: 3.0 beta 1
            Reporter: Andrey Razumovsky
            Assignee: Andrey Razumovsky
             Fix For: 3.0 beta 2

EJBQL parameter cannot be set as null. Test is simple as follows:

EJBQLQuery query = new EJBQLQuery("select p from Painting p WHERE p.toArtist=:x");
query.setParameter("x", null);

Caused by: java.lang.ClassCastException: org.apache.cayenne.reflect.generic.DataObjectToOneProperty
cannot be cast to org.apache.cayenne.reflect.AttributeProperty
    at org.apache.cayenne.access.jdbc.EJBQLConditionTranslator.processParameter(
    at org.apache.cayenne.access.jdbc.EJBQLConditionTranslator.visitNamedInputParameter(

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