[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=38264#action_38264 ]

Philip Healy commented on HHH-2507:
-----------------------------------

Thank you for your suggestion Andreas, I was able to use it get my code working (see https://forum.hibernate.org/viewtopic.php?f=1&t=1006794&p=2435246#p2435246).

Regards,
Philip

> Support for CLOB not working for DB2 when table per concrete class is being used
> --------------------------------------------------------------------------------
>
>           Key: HHH-2507
>           URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2507
>         Project: Hibernate Core
>       Issue Type: Bug
>   Affects Versions: 3.2.2
>        Reporter: breako
>
> Hi,
> This came up in the forums:
> http://forum.hibernate.org/viewtopic.php?p=2344008#2344008
> Sample code: Two Pojos
> @Entity
> public class Person {
>     private int i;
>    @Identity
>     public int getI() {
>         return i;
>     }
>    public void setI(int i){
>         this.i = i;
>    }
> }
> @Entity
> public class Employee extends Person{
>   @Basic(fetch=FetchType.LAZY)
>   @Lob
>   public String getClobAttr() {
>      return clobAttr;
>   }
>  
>   public void setClobAttr(String clobAttr) {
>      this.clobAttr = clobAttr;
>   }
> }
> Simple test:
> public static void main (String args[]) {
>     Query queryImpl = em.createQuery(" from Person");
>     List list = queryImpl.getResultList();
> }
> This will generate SQL
> select person0_.clobAttr as clobAttr1 from (select nullif(0,0) as clobAttr from TPerson union all select clobAttr from TEmployee) person0_
> which chucks the exception:
> DB2 SQL error: SQLCODE: -415, SQLSTATE: 42825, SQLERRMC: null
> I think the SQL hibernate should generate should be:
> select person0_.clobAttr as clobAttr1 from (select cast(null as CLOB) as clobAttr from TPerson union all select clobAttr from TEmployee) person0_

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