[jira] Updated: (CAY-1452) EJBQL query scalar result is not supported

["Ksenia Khailenko (JIRA)" <ji...@apache.org>]

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

Ksenia Khailenko updated CAY-1452:
----------------------------------

    Attachment: CAY-1452.Fixed-the-non-supported-scalar-result-at-EJBQL-query.patch

> 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
>            Priority: Minor
>             Fix For: 3.0
>
>         Attachments: CAY-1452.Fixed-the-non-supported-scalar-result-at-EJBQL-query.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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