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#1257 DDC-3300 DDC-3503 - describing new inheritance map requirements in the upgrade notes/blogpost

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Marco Pivetta 2015-01-24 09:21:13 +01:00
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docs/en/changelog/migration_2_5.rst
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@ -579,6 +579,25 @@ Hydrators are per query instantiated since Doctrine 2.4.
- `DDC-3060 <http://doctrine-project.org/jira/browse/DDC-3060>`_
Minor BC BREAK: All non-transient classes in an inheritance must be part of the inheritance map
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
As of 2.5, classes, if you define an inheritance map for an inheritance tree, you are required
to map all non-transient classes in that inheritance, including the root of the inheritance.
So far, the root of the inheritance was allowed to be skipped in the inheritance map: this is
not possible anymore, and if you don't plan to persist instances of that class, then you should
either:
- make that class as ``abstract``
- add that class to your inheritance map
If you fail to do so, then a ``Doctrine\ORM\Mapping\MappingException`` will be thrown.
- `DDC-3300 <http://doctrine-project.org/jira/browse/DDC-3300>`_
- `DDC-3503 <http://doctrine-project.org/jira/browse/DDC-3503>`_
Minor BC BREAK: Entity based EntityManager#clear() calls follow cascade detach
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~