public void UpdateFromQuery()
{
_testName = MethodInfo.GetCurrentMethod().Name.GetHashCode().ToString();
Cleanup();
var objs = TestResourceFactory.GetMockClassAObjects(100).ToList();
objs.OfType<MockClassC>().ToList().ForEach(o => o.ReferenceCode = null);
var first = objs.FirstOrDefault() as MockClassC;
var refCode = "R " + new Random().Next();
var select = new ScalarSelectExpression(
new string[] { "Location.Y" },
new CompareToken("Id", CompareEnum.Equals, 1),
new CompareToken("Location.X", CompareEnum.Equals, first.Location.X),
new CompareToken("Name", CompareEnum.Like, first.Name.Substring(1, first.Name.Length - 2)));
using (var db = new Database<int, MockClassA>(_testName + ".database", "Id"))
{
var eval = new ExpressionResolver<int, MockClassA>(db);
db.Load();
using (var t = db.BeginTransaction())
{
objs.ToList().ForEach(o => o.Id = db.Add(o));
t.Commit();
}
using (var t = db.BeginTransaction())
{
var count = eval.ExecuteUpdate(
new UpdateExpression(
typeof(MockClassC).AssemblyQualifiedName,
select,
new UpdateToken("Location.Y", 133.33, ValueEnum.Float),
new UpdateToken("Location.Z", 222.11, ValueEnum.Float),
new UpdateToken("ReferenceCode", refCode)));
Assert.AreEqual(1, count);
t.Commit();
var results = eval.ExecuteScaler(select);
Assert.AreEqual(1, results.Count);
Assert.AreEqual(133.33f, ((MockClassC)db.Fetch(1)).Location.Y);
Assert.AreEqual(222.11f, ((MockClassC)db.Fetch(1)).Location.Z);
Assert.AreEqual(refCode, ((MockClassC)db.Fetch(1)).ReferenceCode);
}
}
}