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From "Michael Dick (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-179) Schemas defined in orm.xml are only applied when a name is also specified.
Date Thu, 22 Mar 2007 19:50:32 GMT
Schemas defined in orm.xml are only applied when a name is also specified. 
---------------------------------------------------------------------------

                 Key: OPENJPA-179
                 URL: https://issues.apache.org/jira/browse/OPENJPA-179
             Project: OpenJPA
          Issue Type: Bug
          Components: jpa
    Affects Versions: 0.9.6, 0.9.7
            Reporter: Michael Dick
             Fix For: 0.9.7


If a default schema name is specified (either as a mapping file default or a persistence unit
default) it will only be applied if a table name is also included in the same xml descriptor.


For example if the xml file looks like this 

<?xml version="1.0" encoding="UTF-8"?>
<entity-mappings xmlns="http://java.sun.com/xml/ns/persistence/orm"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/persistence/orm http://java.sun.com/xml/ns/persistence/orm_1_0.xsd"
	version="1.0">
	<persistence-unit-metadata>
		<persistence-unit-defaults>
			<schema>DefSchema</schema>
		</persistence-unit-defaults>
	</persistence-unit-metadata>
	<entity class="mdd.MyEntity">
		<attributes>
			<id name="id"></id>
			<basic name="name"></basic>
		</attributes>
	</entity>
	<entity class="mdd.MyEntityWithTable">
		<table name="MyEntityWithTable"/>
		<attributes>
			<id name="id"></id>
			<basic name="name"></basic>
		</attributes>
	</entity>
</entity-mappings>

The default schema will be applied to MyEntityWithTable, but will not be applied to MyEntity.
The same applies if the xml looks like this : 
<?xml version="1.0" encoding="UTF-8"?>
<entity-mappings xmlns="http://java.sun.com/xml/ns/persistence/orm"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/persistence/orm http://java.sun.com/xml/ns/persistence/orm_1_0.xsd"
	version="1.0">
	<schema>DefSchema</schema>
         . . .
</entity-mappings>

I think there are two problems here : 

1. The mapping file default schema (example 2) should apply to every entity in the xml mapping
file (except where it's overridden by another entry or an annotation). 

2. A schema defined in the <persistence-unit-defaults> tag should apply to all entities
in the persistence unit, not just the ones defined or overridden in the xml file. This default
is overridden my the mapping file default schema, other xml schema entries and annotations.


I'll attach a simple sample of the problem, in case I'm missing something. 


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