JPA where clause any
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by Ke
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Published on 2010-03-13T02:34:54Z
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2010/03/13
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jpa
Hi,
I'm new to JPA.
In JPA, the query is:
Query query = entityManager.createQuery("select o from Product o WHERE o.category = :value");
query.setParameter("category", category);
How can I set category to any category in JPA? So if the null category passed, I simple ignore the category parameter, select all products.
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