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OPENJPA-1013: case/simple case expression test case 

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@774862 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Fay Wang 2009-05-14 18:23:18 +00:00
parent e1ccb46414
commit 0b37738fb8
1 changed files with 41 additions and 5 deletions
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42
openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/criteria/TestTypesafeCriteria.java
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@ -329,11 +329,14 @@ public class TestTypesafeCriteria extends SQLListenerTestCase {
q.select(cb.size(d.get(Department_.employees))); q.select(cb.size(d.get(Department_.employees)));
assertEquivalence(q, jpql); assertEquivalence(q, jpql);
}
jpql = "SELECT e.name, CASE WHEN e.rating = 1 THEN e.salary * 1.1 " + public void testGeneralCaseExpression() {
String jpql = "SELECT e.name, CASE " +
"WHEN e.rating = 1 THEN e.salary * 1.1 " +
"WHEN e.rating = 2 THEN e.salary * 1.2 ELSE e.salary * 1.01 END " + "WHEN e.rating = 2 THEN e.salary * 1.2 ELSE e.salary * 1.01 END " +
"FROM Employee e WHERE e.department.name = 'Engineering'"; "FROM Employee e WHERE e.department.name = 'Engineering'";
q = cb.create(); CriteriaQuery q = cb.create();
Root<Employee> e = q.from(Employee.class); Root<Employee> e = q.from(Employee.class);
q.where(cb.equal(e.get(Employee_.department).get(Department_.name), q.where(cb.equal(e.get(Employee_.department).get(Department_.name),
"Engineering")); "Engineering"));
@ -348,6 +351,40 @@ public class TestTypesafeCriteria extends SQLListenerTestCase {
assertEquivalence(q, jpql); assertEquivalence(q, jpql);
} }
public void testSimpleCaseExpression1() {
String jpql = "SELECT e.name, CASE e.rating " +
"WHEN 1 THEN e.salary * 1.1 " +
"WHEN 2 THEN e.salary * 1.2 ELSE e.salary * 1.01 END " +
"FROM Employee e WHERE e.department.name = 'Engineering'";
CriteriaQuery q = cb.create();
Root<Employee> e = q.from(Employee.class);
q.where(cb.equal(e.get(Employee_.department).get(Department_.name),
"Engineering"));
q.select(e.get(Employee_.name),
cb.selectCase(e.get(Employee_.rating))
.when(1, cb.prod(e.get(Employee_.salary), 1.1))
.when(2, cb.prod(e.get(Employee_.salary), 1.2))
.otherwise(cb.prod(e.get(Employee_.salary), 1.01)));
assertEquivalence(q, jpql);
}
public void testSimpleCaseExpression2() {
String jpql = "SELECT e.name, CASE e.rating WHEN 1 THEN 10 " +
"WHEN 2 THEN 20 ELSE 30 END " +
"FROM Employee e WHERE e.department.name = 'Engineering'";
CriteriaQuery q = cb.create();
Root<Employee> e = q.from(Employee.class);
q.where(cb.equal(e.get(Employee_.department).get(Department_.name),
"Engineering"));
q.select(e.get(Employee_.name),
cb.selectCase(e.get(Employee_.rating))
.when(1, 10)
.when(2, 20)
.otherwise(30));
assertEquivalence(q, jpql);
}
@AllowFailure @AllowFailure
public void testLiterals() { public void testLiterals() {
String jpql = "SELECT p FROM Person p where 'Joe' MEMBER OF p.nickNames"; String jpql = "SELECT p FROM Person p where 'Joe' MEMBER OF p.nickNames";
@ -551,7 +588,6 @@ public class TestTypesafeCriteria extends SQLListenerTestCase {
assertEquivalence(q, jpql); assertEquivalence(q, jpql);
} }
@AllowFailure
void assertEquivalence(CriteriaQuery c, String jpql, void assertEquivalence(CriteriaQuery c, String jpql,
String[] paramNames, Object[] params) { String[] paramNames, Object[] params) {
sql.clear(); sql.clear();