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chronoyeung
 Post subject: What is the purpose of "Default billing details"?
PostPosted: Thu May 19, 2005 5:55 pm 
Newbie

Joined: Thu May 19, 2005 5:41 pm
Posts: 5
Hi CaveatEmptor Engineers,

I wants to know what is the purpose of the
<many-to-one name="defaultBillingDetails"
class="BillingDetails"
column="DEFAULT_BILLING_DETAILS_ID"
not-null="false"
outer-join="false"
foreign-key="FK1_DEFAULT_BILLING_DETAILS_ID"
/>
?
Where is the Actual DEFAULT_BILLING_DETAILS_ID value comes from?
Thank you very much.

Regards,
Chrono
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christian
 Post subject:
PostPosted: Thu May 19, 2005 7:57 pm 
Hibernate Team
Hibernate Team

Joined: Mon Aug 25, 2003 9:11 pm
Posts: 4592
Location: Switzerland
This is explained in chapter 3, one of the credit cards or bank accounts is always the default one. Another solution for this would be a flag on the BillingDetails, with a unique on FK constraint. This one's easier.

http://www.kschultz.de/images/CaveatEmptorUML.jpg
http://www.kschultz.de/images/CaveatEmptorDB.jpg
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