是否可以使用Hibernate 5.3+ CriteriaBuilder添加嵌套的SELECT IN语句?
常规我想使用条件构建器创建以下SQL:
select * from ORDERS where sender='ABC' and receiver='DEF' and amount='500' and id IN (SELECT id FROM cc4.best_orders)
标准定义(cc4.best_orders是一个简单的sql视图):
public class BestOrders implements Criterion {
private static final String SQL_CRITERIA =
".id IN (SELECT id FROM cc4.best_orders) ";
@Override
public TypedValue[] getTypedValues(Criteria criteria,CriteriaQuery criteriaQuery) {
return new TypedValue[] {};
}
@Override
public String toSqlString(Criteria criteria,CriteriaQuery criteriaQuery) {
return criteriaQuery.getSQLAlias(criteria) + SQL_CRITERIA;
}
}
客户电话:
//...Old deprecated working way
Criteria crit = getSession().createCriteria(Order.class);
crit.add(getRestriction("sender.id",sender));
crit.add(getRestriction("receiver.id",receiver));
crit.add(getRestriction("amount.id",dataType));
crit.add(new BestOrders());
crit.setReadOnly(true);
Order order = (Order) crit.uniqueResult();
//...New Hibernate 5.3+ way
CriteriaBuilder cb = getSession().getcriteriaBuilder();
CriteriaQuery<Order> cr = cb.createQuery(Order.class);
Root<Order> root = cr.from(Order.class);
cr.select(root).where(
cb.and(
getEqualPredicate(root,cb,"sender.id",sender),getEqualPredicate(root,"receiver.id",receiver),"amount.id",dataType)
//new BestOrders() ----> how to add 'SELECT IN' here ?!
)
);
Query<Order> query = getSession().createQuery(cr);
Order order = query.uniqueResult();