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SQL to JPA [message #735185] Tue, 11 October 2011 03:37 Go to next message
Warus  is currently offline Warus
Messages: 2
Registered: October 2011
Junior Member
Hi.
In my database I have a table with 3 fields: field_1, field_2, field_3 and generated entity for that table. I need to implement something like this in EclipseLink:

Select (field_1/field_3) as field_1, (field_2/field_3) as field_2, field_3 from table;

Of course this is simplified example. Is there any way to do this without NativeQuery?


thanks for any help
Re: SQL to JPA [message #735396 is a reply to message #735185] Tue, 11 October 2011 11:40 Go to previous message
James is currently offline James
Messages: 272
Registered: July 2009
Senior Member
This should work in JPQL, did you try it? You will get back an Object[] of the three values.

Select (t.field_1/t.field_3), (t.field_2/t.field_3), t.field_3 from Table t
--
James : http://wiki.eclipse.org/EclipseLink : http://en.wikibooks.org/wiki/Java_Persistence : http://java-persistence-performance.blogspot.com/
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