[jira] Updated: (CAY-1092) Join on ExtendedType invalidates ExtendedType when retrieving rows in parent table using SelectQuery

["Ari Maniatis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAY-1092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ari Maniatis updated CAY-1092:
------------------------------

    Component/s: Core Library

> Join on ExtendedType invalidates ExtendedType when retrieving rows in parent table using SelectQuery
> ----------------------------------------------------------------------------------------------------
>
>                 Key: CAY-1092
>                 URL: https://issues.apache.org/jira/browse/CAY-1092
>             Project: Cayenne
>          Issue Type: Bug
>          Components: Core Library
>    Affects Versions: 3.0
>         Environment: PostgreSQL; PostgreSQL JDBC 8.2; using uniqueidentifier as ExtendedType.
>            Reporter: Chris Gamache
>            Assignee: Andrus Adamchik
>
> Steps to reproduce the problem:
> Create tables, parent and child, with a foreign key link on an ExtendedType
> Create cayenne.xml, and node configurations. Reverse engineer tables.
> Inside your class, create a DataContext, and select a single row from the parent table. 
> Attempt to access the field used as the foreign key.
> ClassCastException is thrown because the wrong return type is used (org.postgresql.util.PGobject instead of java.util.UUID)
> If the cayenne configuration is modified removing the parent-child relation and the project cleaned and recompiled, no ClassCastException is thrown when the parentUuid field is accessed.
> I have an eclipse project that I can provide which demonstrates the problem.

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