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6.8

Hibernate Detached Criteria

Asked by bavibm in J2EE Frameworks, Spring

I have a table called INV_HEADER which is associated to many other tables.
When I execute HQL or Detached criterial to get few records of INV_HEADER, It is executing quries for associted tables of INV_HEADER also.

Lets think that, INV_HEADER is got 10 associations. 10 tables PKs are FKs in INV_HEADER table

lets think that INV_STATUS and SO_HEADER I want to get only InvStatus and SoHeader objects should only come along with InvHeader Object when its query executed.

Here is detached Criteria and HBM.xml attached.

Please guide me

Thanks
Srini

View the Solution FREE for 30 Days

         
             I have written 2 types of codes. both were failed to get only specified assocated objects. Query is executing quries for all associated tables which is a performance Issue.
 
Code is here:
    	DetachedCriteria dCriteria = DetachedCriteria.forClass(InvHeader.class);
    	dCriteria.setResultTransformer(DetachedCriteria.DISTINCT_ROOT_ENTITY);
    	dCriteria.setFetchMode("invStatus", FetchMode.JOIN);
    	dCriteria.setFetchMode("soHeader",FetchMode.JOIN);
    	dCriteria.add(Restrictions.in("id", invHeaderIds));
 
	    	queryBuffer.append("from InvHeader ih ");
	    	queryBuffer.append(" left join fetch ih.soHeader soh ");
	    	queryBuffer.append("left join fetch ih.invStatus invS  ");
	     	queryBuffer.append(" where ih.id in( ").append(invHeaderIdsBuffer.toString()).append(")");

Attachments:

InvHeader.txt (6 KB) (File Type Details)

this is a hbm file

20091021-EE-VQP-81 - Hierarchy / EE_QW_3_20080625

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Hibernate Detached Criteria

Asked by bavibm in J2EE Frameworks, Spring

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