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zed420
 Post subject: Query won't work
PostPosted: Wed Aug 18, 2010 7:17 am 
Newbie

Joined: Wed Aug 18, 2010 6:43 am
Posts: 10
Hi all

I'm very new to Hibernate can someone please tell me what am I doing wrong with this query;

Code:
@NamedQuery(name = "PurchaseOrder.findAll", query = "SELECT p FROM PurchaseOrder p ORDER BY p.purchaseOrderDate DESC")
@Formula(value = "(select sum(pot.TRAN_QUANTITY) FROM PURCHASE_ORDER_PROD_TRAN pot, PURCHASE_ORDER p where p.PURCHASE_ORDER_ID = pot.PURCHASE_ORDER_ID group by p.PURCHASE_ORDER_ID)")
private int purchaseOrderQuantity;


I'm using the same query in SQL developer (using SQL syntax) it works fine, but here I'm getting this error;
Quote:
java.sql.SQLException: ORA-01427: single-row subquery returns more than one row

Any thoughts anyone????
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yaragalla_murali
 Post subject: Re: Query won't work
PostPosted: Wed Aug 18, 2010 4:06 pm 
Newbie

Joined: Tue Aug 17, 2010 3:29 pm
Posts: 12
Quote:
@Formula(value = "(select sum(pot.TRAN_QUANTITY) FROM PURCHASE_ORDER_PROD_TRAN pot, PURCHASE_ORDER p where p.PURCHASE_ORDER_ID = pot.PURCHASE_ORDER_ID group by p.PURCHASE_ORDER_ID)")


I think the above highlighted with bold letters is causing the problem. group by will return multiple rows which is not acceptable in this case.
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zed420
 Post subject: Re: Query won't work
PostPosted: Wed Aug 18, 2010 5:30 pm 
Newbie

Joined: Wed Aug 18, 2010 6:43 am
Posts: 10
Thanks for your reply, I have tried it the way you described, it just gives me a different error. I've taken a different approach now.

Zed
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