Re: [Hibernate] New error on Annotation query

[Max A. <max...@jb...>]

>From my understanding in discussions with Max, auto-discovery is =
illegal
once any returns have been defined/added.

Max, can you clarify here?  Thinking some more about it, maybe you just
meant the column name discovery (as it should be possible to still
auto-discover types in this scenario)?

Yes - autodiscover of scalar types should always be possible.
name discovery is only possible activated when nothing is added to the =
query.

Also, in general, we need to make certain that these types of
"integration point tests" are defined within the Hibernate test suite
proper so that we can catch these discrepancies earlier...


I dont have a working setup here at the moment - but there definitly =
should be test for this part.

But maybe this specific case of mixed add's might be missed.

-max

=20


-----Original Message-----
From: hib...@li...
[mailto:hib...@li...] On Behalf Of
Emmanuel Bernard
Sent: Sunday, June 18, 2006 10:21 PM
To: Hibernate development
Subject: [Hibernate] New error on Annotation query

Has something changed that I haven't propagated in my code?


org.hibernate.HibernateException: cannot perform autodiscovery on
queries with non-scalar results
    at
org.hibernate.loader.custom.CustomLoader$NonScalarResultColumnProcessor.
performDiscovery(CustomLoader.java:453)
    at
org.hibernate.loader.custom.CustomLoader.autoDiscoverTypes(CustomLoader.
java:511)
    at org.hibernate.loader.Loader.getResultSet(Loader.java:1677)
    at org.hibernate.loader.Loader.doQuery(Loader.java:662)
    at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loade
r.java:224)
    at org.hibernate.loader.Loader.doList(Loader.java:2144)
    at
org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2028)
    at org.hibernate.loader.Loader.list(Loader.java:2023)
    at
org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:290)
    at
org.hibernate.impl.SessionImpl.listCustomQuery(SessionImpl.java:1695)
    at
org.hibernate.impl.AbstractSessionImpl.list(AbstractSessionImpl.java:142
)
    at org.hibernate.impl.SQLQueryImpl.list(SQLQueryImpl.java:150)
    at
org.hibernate.test.annotations.query.QueryTest.testNativeQueryAndComposi
tePKAndComponents(QueryTest.java:195)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
    at org.hibernate.test.annotations.TestCase.runTest(TestCase.java:67)
    at
com.intellij.rt.execution.junit2.JUnitStarter.main(JUnitStarter.java:32)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
    at
com.intellij.rt.execution.application.AppMain.main(AppMain.java:90)



@NamedNativeQuery(name =3D "compositekey",
        query =3D "select name, model, speed, lname as lastn, fname as
firstn, length, width, length * width as surface, length * width *10 as
volume from SpaceShip",
        resultSetMapping =3D "compositekey")
        }


@SqlResultSetMapping(name =3D "compositekey",
        entities =3D @EntityResult(entityClass =3D
org.hibernate.test.annotations.query.SpaceShip.class,
                fields =3D {
                @FieldResult(name =3D "name", column =3D "name"),
                @FieldResult(name =3D "model", column =3D "model"),
                @FieldResult(name =3D "speed", column =3D "speed"),
                @FieldResult(name =3D "dimensions.width", column =3D
"width"),
                @FieldResult(name =3D "captain.lastname", column =3D
"lastn"),
                @FieldResult(name =3D "dimensions.length", column =3D
"length"),
                @FieldResult(name =3D "captain.firstname", column =3D
"firstn")
                        }),
        columns =3D {@ColumnResult(name =3D "surface"),
        @ColumnResult(name =3D "volume")})



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