public void complexDistinctCountTest() {
oracle.toplink.essentials.ejb.cmp3.EntityManager em =
(oracle.toplink.essentials.ejb.cmp3.EntityManager) createEntityManager();
ExpressionBuilder expbldr = new ExpressionBuilder();
ReportQuery rq = new ReportQuery(Employee.class, expbldr);
Expression exp = expbldr.get("lastName").equal("Smith");
rq.setReferenceClass(Employee.class);
rq.setSelectionCriteria(exp);
rq.useDistinct();
rq.returnSingleAttribute();
rq.dontRetrievePrimaryKeys();
rq.addCount("COUNT", expbldr.get("lastName").distinct(), Long.class);
Vector expectedResultVector = (Vector) em.getActiveSession().executeQuery(rq);
Long expectedResult = (Long) expectedResultVector.get(0);
String ejbqlString =
"SELECT COUNT(DISTINCT emp.lastName) FROM Employee emp WHERE emp.lastName = \"Smith\"";
Long result = (Long) em.createQuery(ejbqlString).getSingleResult();
Assert.assertEquals("Complex DISTINCT COUNT test failed", expectedResult, result);
}
/*
* test for gf675, using count, group by and having fails. This test is specific for a a use case
* where DISTINCT is used with Count and group by
*/
public void complexCountDistinctWithGroupByTest2() {
oracle.toplink.essentials.ejb.cmp3.EntityManager em =
(oracle.toplink.essentials.ejb.cmp3.EntityManager) createEntityManager();
// need to set the class in the expressionbuilder, as the Count(Distinct) will cause the
// query to change and be built around the Employee class instead of the Address class.
ExpressionBuilder expbldr = new ExpressionBuilder(Address.class);
ReportQuery rq = new ReportQuery(Address.class, expbldr);
Expression exp = expbldr.anyOf("employees");
Expression exp2 = expbldr.get("city");
rq.addAttribute("city", exp2);
rq.addCount("COUNT1", exp, Long.class);
rq.addCount("COUNT2", exp.get("lastName").distinct(), Long.class);
rq.addGrouping(exp2);
Vector expectedResult = (Vector) em.getActiveSession().executeQuery(rq);
String ejbqlString3 =
"SELECT a.city, COUNT( e ), COUNT( DISTINCT e.lastName ) FROM Address a JOIN a.employees e GROUP BY a.city";
Query q = em.createQuery(ejbqlString3);
List result = (List) q.getResultList();
Assert.assertTrue(
"Complex COUNT(Distinct) with Group By test failed",
comparer.compareObjects(result, expectedResult));
}
// shchool buses without drivers
public static void test_schoolBusNullDriver() {
ExpressionBuilder builder = new ExpressionBuilder();
Expression exp =
builder
.get("description")
.equalsIgnoreCase("School bus")
.and(builder.get("busDriver").isNull());
deleteAllQueryInternal_Deferred_Children(Bus.class, exp);
}
// FueledVehicles owned by Companies that also own NonFueledVehicles
public static void test_ownerOwnsNonFueledVehicle() {
ExpressionBuilder builder = new ExpressionBuilder();
ExpressionBuilder subBuilder = new ExpressionBuilder();
ReportQuery rq = new ReportQuery(NonFueledVehicle.class, subBuilder);
rq.addAttribute("id");
Expression subExpression = subBuilder.get("owner").equal(builder.get("owner"));
rq.setSelectionCriteria(subExpression);
Expression exp = builder.exists(rq);
deleteAllQueryInternal_Deferred_Children(FueledVehicle.class, exp);
}
/** Test for partial fix of GF 932. */
public void complexHavingWithAggregate() {
oracle.toplink.essentials.ejb.cmp3.EntityManager em =
(oracle.toplink.essentials.ejb.cmp3.EntityManager) createEntityManager();
// Test using the project id in COUNT, GROUP BY and HAVING
ExpressionBuilder employeeBuilder = new ExpressionBuilder(Employee.class);
ReportQuery rq = new ReportQuery(Employee.class, employeeBuilder);
Expression projects = employeeBuilder.anyOf("projects");
Expression pid = projects.get("id");
Expression count = pid.count();
rq.addAttribute("id", pid);
rq.addAttribute("COUNT", count, Long.class);
rq.addGrouping(pid);
rq.setHavingExpression(count.greaterThan(1));
rq.setShouldReturnWithoutReportQueryResult(true);
Vector expectedResult = (Vector) em.getActiveSession().executeQuery(rq);
String jpql =
"SELECT p.id, COUNT(p.id) FROM Employee e JOIN e.projects p "
+ "GROUP BY p.id HAVING COUNT(p.id)>1";
List result = em.createQuery(jpql).getResultList();
Assert.assertTrue(
"Complex HAVING with aggregate function failed",
comparer.compareObjects(result, expectedResult));
// Test using the project itself in COUNT, GROUP BY and HAVING
employeeBuilder = new ExpressionBuilder(Employee.class);
rq = new ReportQuery(Employee.class, employeeBuilder);
projects = employeeBuilder.anyOf("projects");
count = projects.count();
rq.addAttribute("projects", projects);
rq.addAttribute("COUNT", count, Long.class);
rq.addGrouping(projects);
rq.setHavingExpression(count.greaterThan(1));
rq.setShouldReturnWithoutReportQueryResult(true);
expectedResult = (Vector) em.getActiveSession().executeQuery(rq);
jpql = "SELECT p, COUNT(p) FROM Employee e JOIN e.projects p " + "GROUP BY p HAVING COUNT(p)>1";
result = em.createQuery(jpql).getResultList();
Assert.assertTrue(
"Complex HAVING with aggregate function failed",
comparer.compareObjects(result, expectedResult));
}
public void complexSumTest() {
oracle.toplink.essentials.ejb.cmp3.EntityManager em =
(oracle.toplink.essentials.ejb.cmp3.EntityManager) createEntityManager();
ExpressionBuilder expbldr = new ExpressionBuilder();
ReportQuery rq = new ReportQuery(Employee.class, expbldr);
rq.setReferenceClass(Employee.class);
rq.returnSingleAttribute();
rq.dontRetrievePrimaryKeys();
rq.addAttribute("salary", expbldr.get("salary").distinct().sum(), Long.class);
Vector expectedResultVector = (Vector) em.getActiveSession().executeQuery(rq);
Long expectedResult = (Long) expectedResultVector.get(0);
String ejbqlString = "SELECT SUM(DISTINCT emp.salary) FROM Employee emp";
Long result = (Long) em.createQuery(ejbqlString).getSingleResult();
Assert.assertEquals("Complex SUMtest failed", expectedResult, result);
}
// FueledVehicles running on Petrol
public static void test_fuelTypePetrol() {
ExpressionBuilder builder = new ExpressionBuilder();
Expression exp = builder.get("fuelType").equalsIgnoreCase("Petrol");
deleteAllQueryInternal_Deferred_Children(FueledVehicle.class, exp);
}
// Vehicles owned by TOP Company
public static void test_ownerTOP() {
ExpressionBuilder builder = new ExpressionBuilder();
Expression exp = builder.get("owner").get("name").equal("TOP");
deleteAllQueryInternal_Deferred_Children(Vehicle.class, exp);
}