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Index on dynamic entities? [message #1006492]

Thu, 31 January 2013 08:52

Eclipse User

Hi!
Is there a way to create an index on a dynamic entity's field?
(like the @Index JPA annotation in a normal entity)

Re: Index on dynamic entities? [message #1007351 is a reply to message #1006492]

Tue, 05 February 2013 10:34

Eclipse User

How are you mapping the dynamic entity? Are you using DDL generation?

If you are mapping the entity through the orm.xml, then you can put an <index> in the orm.xml.
If you are mapping through code, then I believe you will need to use the schema framework directly in your code. (org.eclipse.tools.schemaframework)

Re: Index on dynamic entities? [message #1007522 is a reply to message #1007351]

Wed, 06 February 2013 05:21

Eclipse User

I mapped my dynamic entities through code using the JPADynamicHelper.
Thanks for the response, I'll try to do this.

[Updated on: Wed, 06 February 2013 05:27] by Moderator

Re: Index on dynamic entities? [message #1007562 is a reply to message #1007522]

Wed, 06 February 2013 08:42

Eclipse User

Actually, it was really easy!

builder.getType().getDescriptor().getTables().get(0).getIndexes().add(index);

builder instance of org.eclipse.persistence.jpa.dynamic.JPADynamicTypeBuilder
index instance of org.eclipse.persistence.tools.schemaframework.IndexDefinition

EclipseLink's implementation of Dynamic Persistence can be really useful, it would be nice if it was more documented.

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