@Test
public void One_To_One() {
QEmployee employee = QEmployee.employee;
QUser user = QUser.user;
JPQLQuery query = query();
query.from(employee);
query.innerJoin(employee.user, user);
query.list(employee);
}
@Override
public List<ProductReview> getByProduct(Product product) {
QProductReview qEntity = QProductReview.productReview;
QProductReviewDescription qDescription = QProductReviewDescription.productReviewDescription;
QProduct qProduct = QProduct.product;
JPQLQuery query = new JPAQuery(getEntityManager());
query
.from(qEntity)
.join(qEntity.customer)
.fetch()
.join(qEntity.product, qProduct)
.fetch()
.leftJoin(qProduct.merchantStore)
.fetch()
.leftJoin(qEntity.descriptions, qDescription)
.fetch()
.where(qProduct.id.eq(product.getId()));
return query.list(qEntity);
}