[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-1134) subclass tag with discriminator in one to many mapping
Thorsten Hilker (JIRA)
noreply at atlassian.com
Fri Apr 18 06:05:34 EDT 2008
[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_30021 ]
Thorsten Hilker commented on HHH-1134:
--------------------------------------
I just realized that you switched "force" to true, too.
But I'm using Version 3.2.5.ga.
Maybe "force" is working in Version 3.2.5.ga and not in Version 3.0.5
regards
Thorsten
> subclass tag with discriminator in one to many mapping
> ------------------------------------------------------
>
> Key: HHH-1134
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1134
> Project: Hibernate3
> Issue Type: Bug
> Components: core
> Environment: hibernate 3.0.5, Oracle
> Reporter: Dilip Ranjith
>
> Consider the following hbm.xml file
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE hibernate-mapping PUBLIC
> "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
> "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
> <hibernate-mapping
> >
> <class
> name="DCDTO"
> table="ACCDC"
> dynamic-update="true"
> >
> <id
> name="ID"
> type="java.lang.String"
> >
> <column
> name="DCINFOID"
> />
> <generator class="sequence">
> <param name="sequence">DSEQ</param>
> <!--
> To add non XDoclet generator parameters, create a file named
> hibernate-generator-params-DebtorCreditorDTO.xml
> containing the additional parameters and place it in your merge dir.
> -->
> </generator>
> </id>
> <discriminator
> column="accountType"
> not-null="true"
> type="java.lang.String"
> force="true"
> insert="true"
> />
> <property
> name="creditMax"
> type="java.lang.Double"
> update="true"
> insert="true"
> column="creditMax"
> />
> <subclass
> name="CDTO"
> dynamic-update="true"
> dynamic-insert="true"
> discriminator-value="C"
> >
> </.subclass>
> <subclass
> name="DDTO"
> dynamic-update="true"
> dynamic-insert="true"
> discriminator-value="D"
> >
> </.subclass>
> </class>
> </hibernate-mapping>
> DCDTO is the super class while DDTO and CDTO are its child classes
> If in a mapped object say TDTO there are a set of CDTOs and a separate set of DDTOs
> when we get TDTO the where clause "where accountType='D' " is not there when the query for set of DDTOs are generated. so instead of a set of DDTOs i am getting a set of both DDTO's and CDTO's
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