[Hibernate-issues] [Hibernate-JIRA] Created: (HHH-1134) subclass tag with discriminator in one to many mapping

[Dilip R. (JIRA) <no...@at...>]

subclass tag with discriminator in one to many mapping
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         Key: HHH-1134
         URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1134
     Project: Hibernate3
        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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