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From "Andrus Adamchik (JIRA)" <j...@apache.org>
Subject [jira] Closed: (CAY-1452) EJBQL query scalar result is not supported
Date Fri, 09 Jul 2010 20:02:52 GMT

     [ https://issues.apache.org/jira/browse/CAY-1452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrus Adamchik closed CAY-1452.
--------------------------------

         Assignee: Andrus Adamchik
    Fix Version/s: 3.1M1
       Resolution: Fixed

Xenia, I applied the latest patch. It looks great. The only thing I changed (aside from some
formatting and variable renaming) is ClientServerChannelQueryAction.processMixedResult - this
one should also clone the list IMO (same logic as "singleObjectConversion" method). 

Now porting the patch to 3.1.....

> EJBQL query scalar result is not supported
> ------------------------------------------
>
>                 Key: CAY-1452
>                 URL: https://issues.apache.org/jira/browse/CAY-1452
>             Project: Cayenne
>          Issue Type: Bug
>          Components: ROP
>    Affects Versions: 3.0
>            Reporter: Ksenia Khailenko
>            Assignee: Andrus Adamchik
>            Priority: Minor
>             Fix For: 3.1M1, 3.0
>
>         Attachments: CAY-1452.-Fixed-the-non-supported-scalar-and-mixed-results.patch,
CAY-1452.Fixed-the-lists-duplication.patch, CAY-1452.Fixed-the-non-supported-scalar-result-at-EJBQL-query.patch,
CAY-1452.Non-supported-results-fix-with-new-client-conversion.patch
>
>
> On EJBQL query from the client:"Select count(a) from Artist a", there is failed:
>    [java] java.lang.ClassCastException: java.lang.Long cannot be cast to org.apache.cayenne.Persistent
>      [java] 	at org.apache.cayenne.access.ClientServerChannelQueryAction.toClientObjects(ClientServerChannelQueryAction.java:187)
>      [java] 	at org.apache.cayenne.access.ClientServerChannelQueryAction.interceptObjectConversion(ClientServerChannelQueryAction.java:162)
>      [java] 	at org.apache.cayenne.access.ClientServerChannelQueryAction.execute(ClientServerChannelQueryAction.java:69)
>      [java] 	at org.apache.cayenne.access.ClientServerChannel.onQuery(ClientServerChannel.java:81)
>      [java] 	at org.apache.cayenne.remote.service.DispatchHelper.dispatch(DispatchHelper.java:39)

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