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@NamedQuery doubt......  RSS feed

 
Philip Zac
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hello all,


I was wondering how to retrieve the data from the c_c having the Discriminator value call "P" or its child ID........


Parent class :





Child Class :



Thanks..

Philip
 
Rodrigo Lopes
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having a reference to the EntityManager, and the id mapped as primary key:



As you're using the SINGLE_TABLE stategy, all properties of all super- and subclasses are mapped into the same table (c_c), instances are distinguished by the 'discriminator' column.

About inheritance mapping

Edited to add the URL
[ July 25, 2008: Message edited by: Rodrigo Lopes ]
 
Philip Zac
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Hello Rodrigo Lopes,

That means it is impossible to do it in named Query???

Thanks for the help..

Philip
 
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