Entity Operations
- Use Query.getResultList() to obtain a list of query results
| Query.getResultList() Example |
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public List getAllEmployees() {
Query query = entityManager.createQuery("select x from Employee x");
return query.getResultList();
}
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- Use Query.getSingleResult() to obtain a single query result
| Query.getSingleResult() Example |
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- Use Query.setFirstResult() and Query.setMaxResults() to implement "paging"
| Paging Example |
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Entity Operations