[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2181) extra join conditions in mapping files
extra join conditions in mapping files
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Key: HHH-2181
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2181
Project: Hibernate3
Type: Improvement
Reporter: Matthias Bayer
Allow extra join conditions to be specified in mapping file.
The Criteria API considers this additional join condition.
Benefit is the central declaration.
<hibernate-mapping>
<class name="de.mba.MyClass"
table="MyTable">
<id name="poi" type="string">
<column name="POI" length="22" />
<generator class="assigned" />
</id>
<property name="lupdDatetime" type="timestamp">
<column name="LUPD_DATETIME" length="26" />
</property>
<property name="lupdProcess" type="string">
<column name="LUPD_PROCESS" length="30" />
...
<many-to-one name="assoc1"
class="de.mba.MyAssoc"
insert="false" update="false"
not-found="ignore">
<column name="POI" />
//possibility to add extra join condition
???
</many-to-one>
</class>
</hibernate-mapping>
select
*
from
a as a
left outer join b as b
on a.id = b.id
//problem additional join condition
and b.type='XY'
where
...
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